City gates Archives - Pietro Fiorentini

Hydrogen storage vessels

Anna Veronesi — Wed, 24 Jul 2024 09:17:44 +0000

One of the great advantages of hydrogen is that it can be used as energy storage at times of surplus production from renewable sources, such as wind and photovoltaics.

Thanks to our experience in making natural gas tanks, we are able to offer a wide range of pressure tanks suitable for hydrogen.

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LDB171

Anna Veronesi — Thu, 20 Jun 2024 12:05:21 +0000

LDB171 is a new silencer option for Reflux/Reval regulators. The silencer LDB171 allows reducing the noise that is generated in the pressure regulator during the lamination process. Its efficiency is due to the fact that noise reduction takes place at the same point where it is generated, thus preventing its propagation.

It can be used with the following regulators:

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Methane pyrolisis

Digital Team — Mon, 27 May 2024 18:06:51 +0000

Hydrogen is a key pillar to achieve the targets of the global decarbonization strategy, as it has a fundamental role in decarbonizing the Hard-to-abate industrial sector and in enabling renewables integration into the grid by sector coupling. Still, supplying hydrogen at low cost and in a sustainable way is a huge technological and systemic challenge.

The new technological frontier for this is turquoise hydrogen, generated from the methane pyrolysis (thermal decomposition), which is the breaking down of methane to produce hydrogen and solid carbon, a process with no emissions of carbon dioxide. This reaction occurs at high temperatures in the absence of oxygen.

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Pilot series 210/A

Anna Veronesi — Tue, 05 Mar 2024 06:59:49 +0000

The pilot series 210/A is a mechanical device which enables the working principle and the setpoint modifications of pilot operated gas pressure regulators. The pilot is optimized to enhance the accuracy and minimize the lock-up performances.

This model specifically allow to have a fail-to-open regulator in case of pilot’s failure.

It can be used with the following regulators:

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GEDRA

Anna Veronesi — Wed, 13 Sep 2023 07:27:21 +0000

GEDRA (Gas Energy Density Raman Analyser) is a real time gas analyser tailored for natural gas, biomethane, and hydrogen analysis.

The decarbonization of gas supply and subsequent reconfiguration of gas flows through the grid will substantially affect the gas network operator business. The shared goal is to increase the use of alternative green gas sources such as biogas, biomethane and hydrogen-enriched natural gas.

In this future with a such heterogeneous gas network, GEDRA will play a crucial role on the way to renewables in monitoring fundamental gas parameters. It measures a wide range of gas mixtures without any hardware reconfiguration or any needs of consumable supplies, ready for remote monitoring and control.

Designed to withstand harsh environmental conditions, GEDRA can be installed anywhere along the gas pipelines, including remote unmanned locations. Thanks to its peculiar features, it represents an effective alternative to gas chromatographs for monitoring calorific value.

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Pulsation dampener

Anna Veronesi — Mon, 28 Aug 2023 07:39:52 +0000

The pulsation dampener is used in cases of unstable pneumatic signal in the sensing line. This accessory helps smooth out abnormal pulsations or spikes and improve regulator performance.

It is often installed when it is not possible to comply with the distance between the regulator and the sensing line connection recommended by the manufacturer or when the downstream line size (diameter) is too small, generating excessive turbulence due to high velocity.

This accessory helps to minimize pilot’s contamination from gas dirt and is suitable for natural gas and all non-aggressive gases applications.

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Pilot series 300/A

Anna Veronesi — Thu, 27 Jul 2023 10:02:48 +0000

The pilot series 300/A is a mechanical device which enables the working principle and the setpoint modifications of pilot operated gas pressure regulators.

The pilot is optimized to enhance the accuracy and minimize the lock-up performances.

It can be used with the following regulators:

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Pilot series 200/A

Anna Veronesi — Thu, 22 Jun 2023 08:51:37 +0000

The pilot series 200/A is a mechanical device which enables the working principle and the setpoint modifications of pilot operated gas pressure regulators. The pilot is optimized to enhance the accuracy and minimize the lock-up performances.

According to the European Standard, it is classified as Fail To Open.

It can be used with the following regulators:

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Pilot series 300/MP

Anna Veronesi — Tue, 09 May 2023 06:40:15 +0000

The pilot series 300/MP is an electro-mechanical device which enables remote setpoint modifications of pilot operated gas pressure regulators. Furthermore, the pilot optimizes the accuracy and lock-up performances thanks to real-time pulse width modulation control.

It is suitable with Aperval and Aperflux 851 regulators and, upon request, it can be used with any brand with the same working principle.

According to the European Standard, it is classified as Fail To Open.

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Pilot series 200/MP

Anna Veronesi — Tue, 09 May 2023 06:28:28 +0000

The pilot series 200/MP is an electro-mechanical device which enables remote setpoint modifications of pilot operated gas pressure regulators. Furthermore, the pilot optimizes the accuracy and lock-up performances thanks to real-time pulse width modulation control.

It is suitable with Reval 182, Reflux 819 and ASX 176 regulators and, upon request, it can be used with any brand with the same working principle.

According to the European Standard, it is classified as Fail To Open.

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Norflux

Anna Veronesi — Thu, 26 Jan 2023 10:58:24 +0000

Norflux is a direct-operated regulator controlled by a diaphragm and setting spring which controls the valve. It is mainly used for highpressure transmission systems and for medium pressure natural gas distribution networks with previously filtered non-corrosive gases.

According to the European Standard, it is classified as Fail Open.

This product is available on selected markets only. For further details, please contact your closest Pietro Fiorentini representative.

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Terval AP

Dario Zoppelletto — Wed, 21 Dec 2022 07:19:14 +0000

Terval AP is a three-in-one pilot-operated gas pressure regulator.

It is particularly suitable for high-pressure transmission systems and for medium pressure natural gas distribution networks, and it can be used with previously filtered non-corrosive gases.

Terval AP according to the configuration can be classified as Fail Close or Fail Open according to the European Standard EN 334.

Terval AP is Hydrogen Ready for NG-H₂ blending.

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Starbox LX2

Anna Veronesi — Fri, 11 Nov 2022 15:03:09 +0000

Starbox LX2 is an innovative RTU Linux based, specifically designed for remote station control in harsh environmental conditions.

Starbox LX2 embodies the typical characteristics of a data logger with advanced multimedia features. In fact, it is a system where process control, multimedia capabilities, remote management and the internet are available and usable with identical operating standards and can be activated in a simple and intuitive way.

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MPower

Anna Veronesi — Fri, 06 May 2022 10:32:17 +0000

Mpower is an intrinsically safe associated apparatus designed to remotely supply devices of Modus and Mlog family in ATEX Zone 0 classified areas.

Mpower comes in two models, according to the selected primary energy source:

Mpower-PP: PV and microturbine;
Mpower-INS: AC mains – outage of primary power source is remotely signaled to device in hazardous area.

Both models can be supplied in wall mounting (IP65) or DIN rail (IP20) versions.

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MLog Plus

Anna Veronesi — Fri, 06 May 2022 10:11:59 +0000

Mlog Plus is a gas datalogger specifically designed to support IoT applications such as distribute monitoring of reducing pressure stations along the gas network.

Mlog Plus is suitable for installation in ATEX Zone 0 classified areas, making it the ideal solution for a wide range of applications.
Mlog Plus commincates with the centralised data collection system (SCADA) using communication protocols such as Modbus, IEX 60870-5-104 and optionally LoRaWAN.
Device configuration supports 2g, GSM/GPRST and LoRaWAN communication modules for a seamless integration into Smart City cloud architectures.

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Modus Slim2

Anna Veronesi — Fri, 06 May 2022 09:39:51 +0000

Modus Slim2 is a MID certified Electronic Volume Converter with integrated communication module suitable for installation in ATEX Zone 0 classified areas.

Modus Slim2 is designed to be remotely controlled by the centralised data collection system (SCADA/SAC) using UNI TS 11291-3 (CTR) communication protocols.

Modus Slim2 is a MID certified PTZ Electronic Volume Converter supporting the acquisition of a pulse input from the gas meter and pressure and temperature measurements through integrated sensors.

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Modus

Anna Veronesi — Fri, 06 May 2022 07:20:27 +0000

Modus is a MID certified Electronic Volume Converter with integrated communication module suitable for installation in ATEX Zone 0 classified areas.

Modus manages up to 2 PTZ channels with dedicated inputs for the acquisition of pulse inputs from primary gas meter, pressure and temperature measurements. Moreover, the device provides additional input channels to support extended station monitoring applications.

Modus is designed to be remotelycontrolled by the centralised data collection system (SCADA/SAC) using communication protocols such as Modbus and UNITS 1129-3 (CTR) protocols.

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Inspection agency – periodic verification

Digital Team — Wed, 05 May 2021 12:46:31 +0000

Periodic verification consists in ascertaining the maintenance over time of the metrological reliability of measuring instruments aimed at the protection of public trust.

Pietro Fiorentini created a completely independent division to perform the periodic verifications, provided for by Italian D.M. n. 93 of 21 April 2017, “Regulation concerning the criteria for the execution of subsequent metrological controls on gas meters and volume conversion devices“.

Pietro Fiorentini inspection agency complies with the requirements of UNI CEI EN ISO/IEC 17020: 2012, and is therefore accredited as a Type C Inspection Body for the periodic verification of gas meters and volume conversion devices associated with gas meters. This accreditation allows to perform maintenance activities at the same time of the periodic verification activity.

Pietro Fiorentini inspection agency is structured to respond to every need throughout the national territory; in fact, thanks to three Territorial Units located in the North-West, North-East and South, it can easily reach any location around Italy.

The Organization bases its activity on objective evidence obtained through an impartial, fair, valid and reliable evaluation, not influenced by other interests and without prejudice.

The organization is structured with tools that allow the execution of all activities with a very high degree of automation; moreover, each inspector is provided with his own digital electronic signature with which he validates the verification reports; thanks to an automated process, the documents are transferred to the attention of the Technical Manager of the Body who checks them and validates them with his own digital electronic signature in real time.

All the activities carried out by the inspectors can be evidenced by photographic documentation which is always filed together with the relevant inspection report.

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Spare parts support

Digital Team — Thu, 04 Mar 2021 12:03:31 +0000

Pietro Fiorentini After Sales Department provides original and high quality spare parts support service ready for a fast delivery all over the world, together with a dedicated technical service to help the customer finding the right replacement for every need.

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Tailored courses

Digital Team — Thu, 04 Mar 2021 12:02:48 +0000

Pietro Fiorentini provides tailored courses to its customers, adapting the training programs to specific requirements. These courses are available in every language and are specifically designed by our Training Department together with the customer to develop a focused learning path in accordance with the specific professional and technological needs.
Tailored courses can be held in our PF Gas Academy in Arcugnano (Vicenza), by the customer’s premises or online.

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PF Gas Academy courses

Digital Team — Thu, 04 Mar 2021 12:02:21 +0000

Handling natural gas demands high levels of knowledge. Mechanics, physics, together with regulations and laws are just a part of the required know-how for gas professionals on whose tasks depend the safety of all communities around the world.
Pietro Fiorentini, thanks to its experience in designing, manufacturing and installing solutions for the safe handling and management of natural gas, established PF Gas Academy, an internal Training Division which delivers a range of courses in every language specifically addressed to companies willing to instruct their professionals in all the aspects of a compliant installation and maintenance of gas regulating devices such as pressure regulators and complete systems.
PF Gas Academy in Arcugnano (Vicenza) is an avantgard school where our teachers are ready to share their knowledge on Pietro Fiorentini equipment, and our Gas Academy secretariat will be ready to help the companies supporting their stay in our premises.

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Electronic and metering maintenance

Digital Team — Thu, 04 Mar 2021 11:59:06 +0000

The maintenance of the electronic measurement and remote control equipment of the cabins includes both the evaluation of the state of wear of the components, such as the battery charge level, and the calibration of the pressure and temperature sensors, in the case of converters or dataloggers, or of the voltage and current channels in the case of other equipment. This on-sise service by Pietro Fiorentini also includes verification of the correct operation of alarm systems with error simulation. Issue certifications in compliance with current regulations are provided by qualified personnel.

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Chemicals and odorizing

Digital Team — Thu, 04 Mar 2021 11:58:07 +0000

Pietro Fiorentini, thanks to the long and consolidated experience in the supply of odorization systems, provides innovative chemicals and odorizing to respond to the needs of any gas utility.
Having reliable data is the base of efficient operations and, through the analysis service, we can provide readings of the concentration of odorant in the different part of the network facilitating the setting of optimal odorization rate at the source or deciding if additional injection points are necessary. All readings are carried out according to latest European standards through sophisticated portable instruments. The analysis certificate is a precious evidence that gas is properly detectable in any point of the network.

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Operations & maintenance

Digital Team — Thu, 04 Mar 2021 11:57:23 +0000

In every phase of the process Pietro Fiorentini grants the efficiency of the plants with every kind of operation and maintenance, scheduled or on call, made by professional personnel.
We follow every plant in all its phases, offering our services to ensure continuity, efficiency, quality, low cost management of all the requested and provided actions by scheduled maintenance and functional tests to the gas pressure reducing stations, mechanical overhaul of reducing lines (SSV, PCV,PSV, etc.), flue gas emission and overhaul of Water Bath Heater (burner, fuel gas ramp, BMS panel, etc.).

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Water bath heater supervision of inspection

Digital Team — Thu, 04 Mar 2021 11:56:36 +0000

The Water Bath Heater supervision of inspection service by Pietro Fiorentini, according to drawings and design codes, can verify the efficiency of WBH, flue gas emission, water quality, and dimensional check of the following key components:

process coil, that will be removed in case of damage only;
fire tube (furnace), that will be removed;
stack, that will be disassembled.
This activity includes flue gas emission check by using a certified portable instrument, decommissioning, supervision of inspection and commissioning.

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Site survey

Digital Team — Thu, 04 Mar 2021 11:55:41 +0000

Pietro Fiorentini’s service field engineering teams conduct full site surveys and provide conditions reports for all equipments installed in the plant.
Site surveys also includes reviews of customer training needs and spare stock levels recommendation.

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Supervision, pre-commissioning, commissioning, start up

Digital Team — Thu, 04 Mar 2021 11:54:38 +0000

Our main target is supervising the mechanical and electrical installation of all functional units of the plant.
Once all the supervision is checked, Pietro Fiorentini provides the commissioning of all equipment of the plant in accordance with the relevant specs, drawings, codes of practice and international regulations.

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Automatic Meter Reading (AMR)

Digital Team — Thu, 04 Mar 2021 11:48:21 +0000

In the field of gas smart metering, our target is to grant a combination of innovative, precise and effective solutions with a wide range of products and services that monitor and collect data on each single plant. We rely on our experience, know-how, research and development to bring on modernization and commissioning actions.
We are aware of the importance of offering the most accurate Automatic Meter Reading (AMR), and we have boasted our best human and technological resources to deliver tailored solutions to ensure reliability in the data acquisition process:

a complete range of metering devices designed to meet the needs of the modern gas industry;
integrated measurement systems designed and manufactured relying on the experience of the greatest manufacturer of gas measurement and reduction plants in the world;
periodic calibration services.

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Remote management

Digital Team — Thu, 04 Mar 2021 11:47:23 +0000

Rapid availability of reliable information is a fundamental requirement nowadays. The services offered by Pietro Fiorentini in terms of data acquisition and remote management daily contribute to improve process efficiency, optimizing the related costs. We help our customers to be constantly informed of what happens on-site, enabling prompt decision-making.
Thanks to our data center based in Rosate (Milan), we monitor the plants continuously, automatically and promptly reporting any anomalies, being able to take care of on-site emergencies.

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Engineering Procurement & Construction Management (EPCM)

Digital Team — Thu, 04 Mar 2021 11:45:43 +0000

Together with the traditional EPC formula, Pietro Fiorentini may provide Engineering, Procurement and Construction Management projects (EPCM). Our engineering skills, together with our management capabilities give the best solution in terms of flexibility for the customer.
On top, our partners may rely on Pietro Fiorentini’s worldwide service network: a highly skilled team of service specialists that ensure on time support online and on-site, for both scheduled and extraordinary plant management and maintenance.

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Engineering Procurement & Construction (EPC)

Digital Team — Thu, 04 Mar 2021 11:45:15 +0000

Engineering, Procurement and Construction (EPC) contracts are one of the most widespread type of contract used to commit works in the Oil & Gas industry.
Thanks to the engineering capabilities based in Milan and Vicenza offices, to the manufacturing premises in Vicenza and to the capillary network of service officers all around the world, Pietro Fiorentini ensures to its customers detailed design projects, solid and fast deliveries on-site, supervision of construction activiities on-site by coordinating civil, mechanical and electrical works, and finally we carry out pre-commissioning and commissioning activities before performing the Site Acceptance Test that demonstates compliance with contractual performance guarantees. In one word, we can successfully deliver turnkey plants.

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Front end engineering design

Digital Team — Thu, 04 Mar 2021 11:44:20 +0000

Front end engineering design (FEED) is an engineering design framework used for an in-depth check of a project cost. The main target of this approach is to analyse project requirements, fix a design basis, freeze the process design and involve all main subvendors. At the end of this execise the FEED provides a detailed cost summary, that will allow contractors and suppliers to issue a firm quotation.
FEED process is handled by Pietro Fiorentini multidisciplinary team that takes into consideration all important aspects related to the project. Main objectives include definition of civil, mechanical and process engineering, carry out preliminary HAZOP & SIL, prepare main equipment list and data sheet of critical items, develop 2D & 3D preliminary models and finally automation strategy.
The main scope of FEED is to deliver a clear picture of all project constraints, i.e. technical aspects, safety & environmental issues and accordingly a deep evaluation of capital and operation costs.

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Feasibility studies

Digital Team — Thu, 04 Mar 2021 11:43:30 +0000

Pietro Fiorentini is able to develop preliminary feasibility studies for various projects in the natural gas and renewable energy field. Our process solutions range in the entire supply chain, from upstream to downstream and including also the final distribution.
Our team of proposals, cost estimators and engineers is able to evaluate all the aspects that have to be addressed in the feasibility study:

functional and technical aspects;
analysis of specific site requirements (availabable utilities, revamping within existing units, etc.);
environmental constraints (environmental limitations or similar);
economical features of the project, including analysys of CAPEX, OPEX and ROI.

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Hydrogen blending stations

Digital Team — Thu, 04 Mar 2021 11:36:21 +0000

Hydrogen is finally granting a key role in the energy arena. It is a precious molecule with the property of being easily produced from renewable power and representing a complementary solution to other green gases and to electrification process, especially as sustainable vehicles fuel and as industrial high temperatures energy carrer.
On the other hand, the need of a large scale use of hydrogen is pushing gas infrastructure to drastically evolve. Pietro Fiorentini is applying its international 80 years experience on gas networks to face this exciting challenge: from designing and testing hydrogen ready solutions up to developing new hydrogen blending stations, our purpose is to exploit the full potential of existing gas networks to accept and deliver hydrogen.

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BiRemi

Digital Team — Thu, 04 Mar 2021 11:30:16 +0000

Thanks to their capillarity, gas distribution networks are the perfect destination to gather decentralized renewable gas productions. The coming of renewable energies asks the networks to grant gas injection into the grid regardless of consumptions: the new mission is to manage the difference between injection and withdrawal.
BiRemi is the new Pietro Fiorentini product family that covers this new needs: automation, treatment and gas targeting systems. The two-way stream of the gas towards the transportation network is only the most visible part.

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High pressure stations

Digital Team — Thu, 04 Mar 2021 11:29:00 +0000

Natural gas is usually highly pressurized as it flows through transmission pipelines, but once it reaches the consumers, it needs to be brought up to the contractual specifications for delivery. This often means that in high pressure stations solids and liquids have to be filtered out, the pressure has to be reduced, and the gas may need to be preheated to compensate the cooling effect of the pressure reduction (Joule-Thomson effect). Moreover, the downstream consumers need to be protected for over-pressurization from the transmission line.
An accurate pressure control is the main contributor to the smooth flow of gas into transmission lines. The wide range of models allows to choose always the most suitable product for each application, because 80 years of experience in the field tell us that not all applications have the same maintenance and silent operations.

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Fiscal metering

Digital Team — Thu, 04 Mar 2021 11:27:46 +0000

Custody transfer occurs when a financial transaction is correlated by the gas ownership passage. This can be either between shippers and between shippers and sellers. The amount of payment is usually calculated as function of the amount of fluid transferred or as function of the amount of energy contained in the gas.
In this application, accuracy is extremely important and it is ruled by several national and international institutes and standards.
Thanks to its extensive experience in providing custody transfer metering solutions, Pietro Fiorentini designs and supplies fiscal metering systems tailored on specific accuracy needs through different combinations of:

multiple parallel meter runs;
multiple meters in series;
volume converters;
online gas chromatography to calculate energy content;
temperature and pressure transmitters;
systems for registration and retransmission of data;
systems for diagnostics and management of redundancy.

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Gas metering

Digital Team — Thu, 04 Mar 2021 11:26:20 +0000

Gas metering stations are located along gas distribution and transmission networks. These stations allow pipeline operators and local distribution companies to monitor, manage, and account for the natural gas flowing through the network.
The main scope of a gas metering station is to measure the flow of gas, allowing distribution companies to manage the network and gas sellers to allocate and bill the consumption.
The flow rate through a station can be measured by means of different devices such as rotary, turbine and ultrasonic meters and orifice fittings. They record the flow rate in actual cubic meters and a volume converter calculates the equivalent compendated for pressure, temperature and density.

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Odomatic – Electronic dosing odorizing pump system

Digital Team — Thu, 04 Mar 2021 11:18:35 +0000

The electronic dosing odorizing pump system Odomatic by Pietro Fiorentini has been designed specifically to guarantee a constant degree of odorization of gas independently from flow rate, type, or odorant use and from the degree of odorization required, avoiding all the inconvenience caused by traditional lapping systems.
Odomatic system mainly guarantees:

a constant degree of odorization in time, independent from flow rate of gas;
control and measurement of the quantity of liquid odorizer injected to the network by means of flow switch and/or flowmeter;
hourly, daily and monthly printouts of reports showing the average odorization rate, the quantity injected and the volume of gas output.

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OLF – Lapping odorizing system

Digital Team — Thu, 04 Mar 2021 11:18:06 +0000

The lapping odorizing system OLF by Pietro Fiorentini consists of a tank containing odorant in liquid state. Natural gas passes through the vessel, and, through contact with the vaporous part of the odorant, becomes suitable for injection.
This solution can be used with mono component type odorants, and odorants made up of mixtures of components having similar vapor pressures. It is available with a total capacity of 24, 125, 185 or 265 liters, and is suitable for a maximum working pressure up to 85 bar.

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Dosafit – Electronic odorizing system

Digital Team — Thu, 04 Mar 2021 11:17:27 +0000

Based on the principle of controlled injection of odorizer, Dosafit is the electronic odorizing system by Pietro Fiorentini that relies on gas pressure instead of relying on separate injection pumps.
Dosafit is usually paired with OLF, the lapping odorizing system that stores the odorizer and acts as a backup in case of failure.
Dosafit guarantees:

a constant odorization rate over time independently from variations in the gas flow rate;
control and metering of the quantity of odorizer liquid put into the pipeline by the capacity level;
remote display of the actual odorizer level in the lapping odorizing system;
automatic intervention in the event of failure and/or power blackout;
possibility of transmitting all the distribution data and alarms through the phone line.

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HIPPS

Digital Team — Thu, 04 Mar 2021 11:16:34 +0000

High Integrity Pressure Protection Systems (HIPPS) by Pietro Fiorentini are mechanical and electrical solutions designed in order to reduce the chance that the pressure will exceed the tolerable allowable level.
These systems are used in the Oil & Gas industries to provide pressure protection of pipelines, piping, vessels and process packages against over pressure, allowing the use of lower design pressure downstream.
Compared to conventional overpressure protection design standards that are based on relief devices (relief valves and rupture disks) that discharge to atmosphere, HIPPS has the great advantage to allow lower pressure rating downstream and to avoid discharge of natural gas to atmosphere.

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Gas fractionation units

Digital Team — Thu, 04 Mar 2021 11:12:43 +0000

Gas fractionation units by Pietro Fiorentini are used either to refine multiple products or to maximize the purity of a single valuable component.
Depending on the natural gas composition, the liquid HC phase recovered from LTS or Silica Gel units may be further treated to separate valuable products by distillation. Example of them are:

demethanized product (C2+);
deethanized product (C3+);
ethane/propane mixtures (EP);
commercial propane;
propane/butane mixture (LPG);
butane(s);
butane/gasoline mixtures;
stabilized gasoline/condensate.

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Gas dehydration units with fixed bed technology (molecular sieves and aluminas)

Digital Team — Thu, 04 Mar 2021 11:12:01 +0000

Water contained in natural gas has to be removed for various reasons: avoid hydrate formation and corrosion, and achieve the required dew point for liquefaction. Hydrate formation would lead to clogging of equipment and components. This free water phase might also contain portions of acid gas (H2S or CO2), thus increasing corrosion effects downstream: this is the reason why natural gas shall be dehydrated.
Gas dehydration units with fixed bed technology (molecular sieves and aluminas) can adsorb impurities by a solid desiccant. Dew points obtained by molecular sieve technology easily go beyond values achieved with Glycol or Low Temperature Separation (LTS) technology: water content achieved with this technology will be as low as 1 ppm vol.
Adsorbent media are usually molecular sieve beds 4A or 3A: the selection depends on gas composition (CO2 and H2S concentration), and required lifetime of the bed.
Typical applications of these systems are gas treatment plants upstream deethanizers and LPG recovery units upstream liquefaction units, or they can be used for re-injection into wells.

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Water and hydrocarbon dew point control units (Silica gel)

Digital Team — Thu, 04 Mar 2021 11:11:35 +0000

Water and hydrocarbon dew point control units based on Silica Gel adsorbent technology have the great advantage of providing both water and hydrocarbon dew point with only one adsorbent bed. Silica Gel pore diameter is higher compared to the one of molecular sieves: its particular characteristics allow to adsorb not only water, but also heavy hydrocarbons.
The principle of operation is based on Temperature Swing Adsorption, i.e adsorption of water/hydrocarbons occurs at ambient temperature; when the bed gets saturated with water or heavy hydrocarbons, it has to be regenerated with wet gas at high temperature.
Unless very low pressure drops are imposed by the process, the performance is achieved without rotating machines and consequently with low maintenance costs: this is possible because regeneration can be accomplished with wet regeneration gas, that is recycled to the main process stream by means of a pressure control valve.
All these features make this technology very reliable when continuous injection of gas according to specifications into the pipeline is required. In many cases, Silica Gel plants represent the best compromise in terms of CAPEX, OPEX and reliability.

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Hydrocarbon recovery / LTS dew point control units

Digital Team — Thu, 04 Mar 2021 11:11:19 +0000

The hydrocarbon recovery from natural gas streams can be obtained with LTS dew point control units.
If sufficient pressure is available, the recovery of hydrocarbon can be accomplished by expansion refrigeration in a LTS (Low Temperature Separation) unit. This system uses the Joule-Thomson effect to reduce the gas temperature upon adiabatic expansion. To avoid hydrate formation glycol or methanol are injected, thus the process can actually accomplish dew point control of both water and hydrocarbon in a single unit.
In case no excess pressure is available, low temperature can be achieved by using mechanical refrigeration systems.

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Gas dehydration packages with liquid media technology (TEG-DEG-MEG)

Digital Team — Thu, 04 Mar 2021 11:11:04 +0000

Gas dehydration packages with liquid media technology (TEG-DEG-MEG) is the process used by Pietro Fiorentini to remove water from natural gas and from its liquids (NGLs). It is required to prevent formation of hydrates and condensation of free water in processing and transportation facilities, meet a water content specification, and finally prevent corrosion. Liquid desiccant dehydration equipment is simple to operate and maintain. It can easily be automated for unattended operation, e.g., glycol dehydration at a remote production facility. Triethylene Glycol (TEG), Diethylene Glycol (DEG) and Monoethylene Glycol (MEG) are used as liquid desiccants, but TEG is the most common for natural gas dehydration because of its stability and because its choice minimizes glycol losses.
Liquid desiccants can be used also for sour gases, but additional precautions in the design are needed due to the solubility of the acid gases in the desiccant solution. The dry outlet gas specification obtained in TEG dehydration units is in the range of 3 to 7 lb water/MMSCF gas.

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Gas purification by membranes

Digital Team — Thu, 04 Mar 2021 11:09:45 +0000

In gas purification, membranes are used to separate components in natural gas such as water, CO2 and hydrocarbons according to their permeabilities. Each gas component entering the membrane unit has a characteristic permeation rate that is a function of its ability to dissolve in and diffuse through the membrane.
The driving force for separation of a gas component in a mixture is the difference between its partial pressure across the membrane. As high pressure feed gas flows into the metal shell of the membrane unit, the fast components, such as water and CO2, permeate through the membrane.
This permeate stream is collected at a reduced pressure, while the retentate, i.e., the dry natural gas, leaves the separator at a slightly lower pressure than the feed.
Pietro Fiorentini offers this technology both in natural gas and in biogas purification applications.

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Gas heat exchangers (KSI)

Digital Team — Thu, 04 Mar 2021 11:09:17 +0000

KSI standard design has been developed by Pietro Fiorentini to preheat upstream gas regulation sections, in order to compensate cooling due to Joule Thomson effect. The standard design is based on a vertical BEU configuration with gas flowing through the tubes and heating medium on the shell side.
Pietro Fiorentini gas heat exchangers (KSI) are suitable for natural gas, air, propane and other non-aggressive gases, and can be provided with hot, superheated water or steam as heating fluid, based on customer’s needs.
On demand, they can be equipped with pressure gauge and pressure switch, safety valve on tube or shell side and with air self-exhausting device.

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Gas indirect water/glycol bath heaters

Digital Team — Thu, 04 Mar 2021 11:08:35 +0000

Gas indirect water/glycol bath heaters by Pietro Fiorentini have a wide variety of successful applications in oil & gas production, processing and transmission industry.
Some of the most common applications include:

gas dew point heating to prevent condensation phenomena due to the Joule-Thomson effect;
heating of high-pressure natural gas pressure regulation or fuel gas super-heating for upstream gas turbines, to prevent external icing formation;
gas heating for downstream low temperature storages;
viscosity reduction, to facilitate degassing and dewatering of crude oil heating upstream treatments.
These devices can be realized with forced draft and natural draft, with coils as per API 12K or with U tube bundles, with a highly variable duty ranging from 90 kW up to 12.5 MW.

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Gas filtering units

Digital Team — Thu, 04 Mar 2021 11:08:11 +0000

The stream of natural gas spans from the wellhead to the doorstep of each single end user, and the first task of each company operating along this path is to grant safety in each step. Ensuring a reliable gas transmission and distribution means injecting clean gas along the pipeline.
Gas filtering units by Pietro Fiorentini are designed to meet customer specifications and use the most suitable technology for every situation, such as:

gravity separation, where different phases of a mixed stream decant and form interface levels between phases due to gravity;
impingement separation, where a drop of liquid hits an obstacle and adheres to it, coalescing with other droplets;
centrifugation separation, where rotational effects and gravity are used to separate mixtures of solids and fluids (cyclones);
coalescing separation, where small droplets of non-gaseous media are removed from the gas through elements such as fiberglass cartridges.

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FioMinor

Digital Team — Thu, 04 Mar 2021 09:53:18 +0000

Orifice fitting by Pietro Fiorentini, FioMinor is a volumetric measuring system based on the voluntary introduction of a concentrated pressure drop through a stainless steel disc provided with a calibrated hole. This device allows an easy replacement of the disc after interrupting the gas flow in the pipe section where it is installed.

Typically installed in the main piping of high-pressure transmission systems and medium pressure natural gas distribution networks, it can be used with previously filtered gas.

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FioMaster

Digital Team — Thu, 04 Mar 2021 09:52:34 +0000

The orifice fitting FioMaster by Pietro Fiorentini is a volumetric measuring system based on the voluntary introduction of a concentrated pressure drop through a stainless steel disc with a calibrated hole.
The design of this device allows the disc to be replaced without interrupting the gas flow.

It can be used with previously filtered gas and is generally installed in the main pipelines of high-pressure transmission systems and medium pressure natural gas distribution networks.

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FioSonic

Digital Team — Thu, 04 Mar 2021 09:51:17 +0000

FioSonic, the Ultrasonic Flow Meter for gas transmission networks, completes Pietro Fiorentini range of products dedicated to the industrial sector.
With its multi path-chordal technology, it provides real time diagnostics, high accuracy and redundancy for fiscal gas flow measurement.

Suitable for use with dry, wet, corrosive and abrasive gases, but also with gas such as sour gas or biogas with H2S, it is mainly used for high-pressure transmission systems and for medium pressure natural gas distribution networks.

FioSonic is Hydrogen Ready for NG-H₂ blending.

Click here to see the product page in the 100% hydrogen version.

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IM-RM

Digital Team — Thu, 04 Mar 2021 09:49:32 +0000

Approved for use in fiscal measurement, IM-RM is the Rotary Gas Meter by Pietro Fiorentini characterized by constant and repeatable accuracy. It is mainly used in high-pressure transmission systems and in medium and low pressure natural gas distribution networks.

It can be used with non-corrosive, filtered and dry gases, including specialty gases.

IM-RM is Hydrogen Ready for NG-H₂ blending.

Click here to see the product page in the 100% hydrogen version.

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IM-TM

Digital Team — Thu, 04 Mar 2021 09:47:41 +0000

Designed to measure gas velocity, the IM-TM turbine meter by Pietro Fiorentini incorporates an innovative method of conditioning flow in the meter body, within which a straightening section aligns the gas flow by removing undesired swirls and turbulence before they reach the turbine rotor.

Suitable for measuring non-corrosive, filtered and dry gases, including specialty gases, it is mainly used in high-pressure transmission systems and in medium and low pressure natural gas distribution networks.

IM-TM is Hydrogen Ready for NG-H₂ blending.

Click here to see the product page in the 100% hydrogen version.

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HFA – HFB filters

Digital Team — Thu, 04 Mar 2021 09:33:04 +0000

The HFA – HFB by Pietro Fiorentini is a dry gas filter which can be used with natural and manufactured gas, air, propane and other non-aggressive gases.

This device is mainly used for high-pressure transmission systems and for medium pressure natural gas distribution networks.

HFA – HFB filter is Hydrogen Ready for NG-H₂ blending.

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VS/AM 58

Digital Team — Thu, 04 Mar 2021 09:25:19 +0000

The direct-operated relief valve VS/AM 58 by Pietro Fiorentini is a safety device which vents gas when the system pressure exceeds the set value due to temporary events, such as expansion due to rise in gas temperature or downstream pressure shocks caused by sudden changes of flow rate.

Particularly suitable in high-pressure transmission systems and in medium pressure gas distribution networks, this device can be used with natural gas and previously treated, non corrosive gaseous fluids.

Click here to see the product page in the 100% hydrogen version.

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PVS 803

Digital Team — Thu, 04 Mar 2021 09:24:29 +0000

PVS 803 is the pilot-operated relief valve by Pietro Fiorentini in which the opening and the closing of the main plug is controlled by a pilot device which is very sensitive to the variations of the in-line pressures.

Mainly used in high-pressure transmission systems and in medium pressure gas distribution networks, this device can be used with natural gas and previously treated, non corrosive gaseous fluids.

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PVS 782

Digital Team — Thu, 04 Mar 2021 09:24:04 +0000

In the pilot-operated relief valve PVS 782 by Pietro Fiorentini, the opening and the closing of the main plug is controlled by a pilot device which is very sensitive to the variations of the in-line pressures.

Particularly suitable for high-pressure transmission systems and for medium pressure gas distribution networks, this device can be used with natural gas and previously treated, non corrosive gaseous fluids.

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SSX 176

Digital Team — Thu, 04 Mar 2021 09:22:45 +0000

The slam shut valve SSX 176 by Pietro Fiorentini is a compact safety device which quickly intercepts gas flow whenever the pressure under monitoring reaches a pre-set limits, or whenever manually required by operator on-site or through a remote command (optional device).

Suitable for use with natural gas and previously filtered non-corrosive gases, it is mainly used for high-pressure transmission systems and for medium pressure gas distribution networks.

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HBC 975

Digital Team — Thu, 04 Mar 2021 09:22:28 +0000

The slam shut valve HBC 975 by Pietro Fiorentini is a safety device which quickly intercepts gas flow when the pressure it is monitoring reaches a pre-set limit due to any anomaly in the system, or when required by the operator at the installation point or from a remote point.

Particularly suitable for high-pressure transmission systems, this device can be used with natural gas and previously treated, non corrosive gaseous fluids.

HBC 975 is Hydrogen Ready for NG-H₂ blending.

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SBC Mini

Digital Team — Thu, 04 Mar 2021 09:21:59 +0000

The slam shut valve SBC Mini is one of the safety devices by Pietro Fiorentini that are suitable for use with natural gas and previously filtered non-corrosive gases.

Its use is strongly recommended for high-pressure natural gas transmission systems and for medium pressure distribution networks.

The post SBC Mini appeared first on Pietro Fiorentini.

SBC 782

Digital Team — Thu, 04 Mar 2021 09:21:35 +0000

The slam shut valve SBC 782 by Pietro Fiorentini is a safety device which quickly intercepts gas flow when the pressure it is monitoring reaches a pre-set limit due to any anomaly in the system, or when required by the operator at the installation point or from a remote point.

Particularly suitable for high-pressure transmission systems and for medium and low pressure gas distribution networks, this device can be used with natural gas and previously treated, non corrosive gaseous fluids.

SBC 782 is Hydrogen Ready for NG-H₂ blending.

Click here to see the product page in the 100% hydrogen version.

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SBC 187

Digital Team — Thu, 04 Mar 2021 09:20:54 +0000

The slam shut valve SBC 187 by Pietro Fiorentini is a safety device which immediately intercepts gas flow when the pressure it is monitoring reaches a pre-set limit due to any anomaly in the system, or when enabled manually.

Mainly used for high-pressure transmission systems and for medium pressure gas distribution networks, this device can be used with natural gas and previously treated, non-corrosive gaseous fluids.

SBC 187 is Hydrogen Ready for NG-H₂ blending.

Click here to see the product page in the 100% hydrogen version.

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Syncroflux

Digital Team — Thu, 04 Mar 2021 09:12:35 +0000

The Syncroflux regulating valve by Pietro Fiorentini is a bypass and throttling device is characterized by a soft insert on the valve seats for better tightness and a balanced shutter for easier opening and closing. It has a top-entry body suitable for flanged coupling.

Suitable for use with natural gas and previously treated, non-corrosive gaseous fluids, this device is mainly used in high-pressure transmission systems and in medium pressure gas distribution networks.

The post Syncroflux appeared first on Pietro Fiorentini.

VLM

Digital Team — Thu, 04 Mar 2021 09:12:17 +0000

VLM valve by Pietro Fiorentini is a bypass and throttling device characterized by a soft insert on the valve seats for better tightness and a balanced shutter for easier opening and closing. The top-entry body is suitable for flanged coupling.

This device is mainly used in high-pressure transmission systems and in medium pressure gas distribution networks and it is suitable for use with natural gas and previously treated, non-corrosive gaseous fluids.

VLM is Hydrogen Ready for NG-H₂ blending.

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Reflux 919

Digital Team — Thu, 04 Mar 2021 09:12:01 +0000

Reflux 919 by Pietro Fiorentini is a control diaphragm valve especially designed for natural gas or other preliminarily filtered non-corrosive gases. It may be supplied in the direct-action (air to close), or in the reverse action type (air to open).

This device is mainly used in high-pressure transmission systems and in medium pressure gas distribution networks.

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Deltaflux

Digital Team — Thu, 04 Mar 2021 09:11:38 +0000

The control ball valve Deltaflux is the ideal solution for all fluid control applications where high differential pressure or great flow rates are involved.
The refined design of the rotating trim allows simultaneously high flow rate coefficients Cv and minimum pressure drops in fully open position.

This device, particularly suitable for high-pressure transmission systems and for medium pressure distribution networks, can be used with natural gas and previously filtered non-corrosive gases.

For the Pietro Fiorentini Group, valves are produced by TIV Valves, a Group company specialized in the production of valves based in Rescaldina (MI). For more information visit the website.

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Trunnion ball valves

Digital Team — Thu, 04 Mar 2021 09:11:00 +0000

The ball of the floating valve is mounted on a trunnion which supports the pressure load. The seats are spring energized and the body construction is one piece, made by forging or casting. The ball is inserted from the top and it’s possible to disassembly the valve in line.

Mainly used for high-pressure transmission systems and for medium pressure gas distribution networks, it can be used with natural gas and previously filtered non-corrosive gases.

The trunnion ball valves are Hydrogen Ready for NG-H₂ blending.

For the Pietro Fiorentini Group, valves are produced by TIV Valves, a Group company specialized in the production of valves based in Rescaldina (MI). For more information visit the website.

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Floating ball valves

Digital Team — Thu, 04 Mar 2021 09:10:30 +0000

In the floating valve the ball is not rigidly held on its rotational axis and so is free to float between seats. Sealing is achieved by the action of the pressure, which pushes the ball against a seat and the body construction is two pieces, bolted joint, made by forging, forged or rolled bar.

Mainly used for high-pressure transmission systems and for medium pressure gas distribution networks, it is suitable for use with natural gas and previously filtered non-corrosive gases.

The floating ball valves are Hydrogen Ready for NG-H₂ blending.

For the Pietro Fiorentini Group, valves are produced by TIV Valves, a Group company specialized in the production of valves based in Rescaldina (MI). For more information visit the website.

The post Floating ball valves appeared first on Pietro Fiorentini.

Staflux Mini

Digital Team — Wed, 03 Mar 2021 17:24:56 +0000

Staflux Mini is a direct-operated pressure regulator controlled by a diaphragm and contrasting regulated counter pressure action.

Mainly used for high-pressure transmission systems and for medium pressure natural gas distribution networks, it can be used with previously filtered non-corrosive gases.

According to the European Standard EN 334, it is classified as Fail Close.

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Staflux 187

Digital Team — Wed, 03 Mar 2021 17:22:22 +0000

Staflux 187 is a direct-operated pressure regulator controlled by a diaphragm and contrasting regulated counter pressure action.

It can be used with previously filtered non-corrosive gases and is particularly suitable for high-pressure transmission systems and for medium pressure natural gas distribution networks.

According to the European Standard EN 334, it is classified as Fail Open.

Staflux 187 is Hydrogen Ready for NG-H₂ blending.

Click here to see the product page in the 100% hydrogen version.

The post Staflux 187 appeared first on Pietro Fiorentini.

Staflux 185

Digital Team — Wed, 03 Mar 2021 17:19:40 +0000

Staflux 185 is a direct-operated gas pressure regulator controlled by a diaphragm and contrasting regulated counter pressure action.

This device is particularly suitable for high-pressure transmission systems and for medium pressure natural gas distribution networks. It can be used with previously filtered non-corrosive gases.

According to the European Standard EN 334, it is classified as Fail Open.

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Dival 160 AP

Digital Team — Wed, 03 Mar 2021 17:16:31 +0000

Dival 160 AP by Pietro Fiorentini is a direct-operated gas pressure regulator controlled by a diaphragm and contrasting regulated spring action.

Classified as Fail Open according to the European Standard EN 334, it can be used with previously cleaned gaseous fluids. It is particularly suitable for high-pressure transmission systems and for medium pressure natural gas distribution networks.

Dival 160 AP is Hydrogen Ready for NG-H₂ blending.

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Reflux 819/FO

Digital Team — Wed, 03 Mar 2021 17:08:10 +0000

Reflux 819/FO is a pilot-operated gas pressure regulator classified as Fail Open according to the European Standard EN 334.

Its use is strongly recommended in high-pressure transmission systems and in medium pressure natural gas distribution networks. It is suitable for use with previously filtered non-corrosive gases.

Reflux 819/FO is Hydrogen Ready for NG-H₂ blending.

Click here to see the product page in the 100% hydrogen version.

The post Reflux 819/FO appeared first on Pietro Fiorentini.

Reflux 819

Digital Team — Wed, 03 Mar 2021 17:01:34 +0000

Reflux 819 is a pilot-operated gas pressure regulator.

It is particularly suitable for high-pressure transmission systems and for medium pressure natural gas distribution networks, and it can be used with previously filtered non-corrosive gases.

According to the European Standard EN 334, it is classified as Fail Close (pilot series 200/A) or Fail Open (pilot series 210/A) according to the installed pilot (except for the PM819 monitor).

Reflux 819 is Hydrogen Ready for NG-H₂ blending.

Click here to see the product page in the 100% hydrogen version.

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Dixi AP

Digital Team — Wed, 03 Mar 2021 16:54:07 +0000

Pilot-operated pressure regulator produced by Pietro Fiorentini, Dixi AP is suitable for use with previously filtered non-corrosive gases.

It is mainly used for high-pressure transmission systems and for medium pressure natural gas distribution networks.

According to the European Standard EN 334, it is classified as Fail Close.

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ASX 176/FO

Digital Team — Wed, 03 Mar 2021 16:48:00 +0000

ASX 176/FO is one of the pilot-operated pressure regulators by Pietro Fiorentini that are suitable for use with previously filtered and non-aggressive gaseous fluids.

Its use is strongly recommended in high-pressure transmission systems and in medium pressure natural gas distribution networks.

According to the European Standard EN 334, it is classified as Fail Open.

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ASX 176

Digital Team — Wed, 03 Mar 2021 16:40:43 +0000

The pilot-operated pressure regulator ASX 176 can be used with previously filtered and non-aggressive gaseous fluids.

According to the European Standard EN 334, it is classified as Fail Close. It is particularly suitable for high-pressure transmission systems and for medium pressure natural gas distribution networks.

The post ASX 176 appeared first on Pietro Fiorentini.

Aperflux 851

Digital Team — Wed, 03 Mar 2021 16:38:22 +0000

Aperflux 851 is one of the pilot-operated gas pressure regulators by Pietro Fiorentini.

This device is suitable for use with previously filtered non-corrosive gases, and it is mainly used for high-pressure transmission systems and for medium pressure natural gas distribution networks.

According to the European Standard EN 334, it is classified as Fail Open.

Aperflux 851 is Hydrogen Ready for NG-H₂ blending.

The post Aperflux 851 appeared first on Pietro Fiorentini.

Aperflux 101

Digital Team — Wed, 03 Mar 2021 16:34:25 +0000

Aperflux 101 is a piloted-operated pressure regulator.

Particularly suitable for high-pressure transmission systems and for medium pressure natural gas distribution networks, it can be used with previously filtered non-corrosive gases.

It is classified as Fail Open according to the European Standard EN 334.

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