PF's design and placement of residential and commercial regulators is minimizing emissions and driving efficiency and sustainability in the industry.
For more than eight decades, Pietro Fiorentini (PF) has been a pioneer in the field of energy regulation, where safety, accuracy, and sustainability are critical. PF's FE regulators are known for their innovative approach to addressing unique challenges while lowering emissions, making them ideal for both residential and commercial applications. Delve into the advantages of PF's FE and FEX regulators, focusing on their SafeGate™ Technology, installation versatility, and two-stage pressure regulation, which collectively ensure exceptional performance and environmental sustainability in the energy industry.
Emission Reduction
PF’s gas regulators incorporate advanced technologies, such as enhanced sealing mechanisms and sophisticated pressure control systems, to significantly lower the risk of gas escaping into the atmosphere. Furthermore, many of these regulators are now designed to be hydrogen-ready, supporting the use of hydrogen as a cleaner alternative fuel. This adaptability not only contributes to safer operations and reduced greenhouse gas emissions but also positions these regulators as key components in the transition towards a more sustainable energy landscape and compliance with stringent regulatory standards.
Protect Against Both Over and Under Pressure with SafeGate Technology
PF regulators feature their innovative SafeGate™ Technology, which is designed to protect against both over-pressure and under-pressure scenarios. This technology includes a double main diaphragm that acts as a redundant backup to ensure continuous operation even if one diaphragm fails. Additionally, an integrated vent limiter controls gas flow in the event of diaphragm failure, further enhancing safety. Finally, SafeGate Technology incorporates a slam-shut valve designed to shut off the gas flow when pressure exceeds or falls below predefined levels.
Installation Advantages for Abnormal Meter Sets
The PF FE and FEX series are the premier solutions for abnormal operating conditions in natural gas distribution. These regulators are designed to comply with the updated NFPA 54 standard, which requires maintaining a 3-foot clearance from windows, doors, and ignition sources, making them ideal for indoor or outdoor installations. Their versatile design offers multiple connection configurations and compact sizes, providing unparalleled flexibility for various installation scenarios. With their unique features, the FE and FEX regulators address safety concerns and mitigate potentially costly risks in gas utility setups.
Benefits of Two-Stage Pressure Regulators
The two-stage pressure reduction system in the FE and FEX regulators significantly enhances both the safety and precision of a utility’s natural gas system. This advanced design ensures reliable pressure control, offering critical benefits in maintaining consistent and secure gas flow.
- Safety: In case of failure of the second stage, the first stage acts as a regulator to limit the pressure at the outlet; the over-pressure shut-off device is a further safety feature.
- Accuracy: The balanced first-stage regulation limits the pressure variation to the second stage, so it is possible to reach high accuracy of the regulated outlet pressure.
FE Series Regulators
FE Regulator
| Model | Normal Capacity | Minimum Inlet Pressure |
|---|---|---|
| FE25 | 875 SCFH | 4.3 PSI |
The FE is a Lever Acting regulator primarily intended for residential applications.
Brochure | Shop PF Model FE
Main Features:
- Inlet pressure range bpu: 4.3 – 125 PSIG
- Max allowable pressure: PS: 125 PSIG
- Outlet pressure range BP: 5 – 72.3” W.C.
- TR: 2.6 – 7.2 PSIG
- Over pressure shut-off range: OPSO BP 14 – 120.5” W.C. OPSO TR 4.3 – 11.6 PSIG
- Accuracy class AC: up to 5%
- Lock up pressure class: up to 10%
- Temperature: Gas Temp -4°F +140°F and Ambient Temp -40 to +140 °F
NOTE: This 2-stage regulator has a fixed capacity from 4.3 to 125 PSIG inlet pressure.
Safety Devices and Accessories:
- Inlet filter: area 0.775 in2 (500 mm2) 300 μm efficiency (cleanable)
- Over pressure Shut-Off Device (OPSO)
- Excess flow valve (optional)
- Manual reset of safety shutoff device only
- Token relief valve
- Safety shut-off for second stage diaphragm failure
- Underground/underwater version with non-corrosive trim
- Univent version for indoor installation venting
- ANSI Z21.80 version 10 PSIG max inlet & class II outlet pressure rating
FEX Regulator
| Model | Normal Capacity | Minimum Inlet Pressure |
|---|---|---|
| FEXS | 3,500 SCFH | Outlet Pressure SP + 8.7 PSI |
The FEX is a Direct Acting regulator primarily intended for commercial applications.
Brochure | Shop PF Model FEX
Main Features:
- Inlet pressure range: bpu: 4.35 -125 PSIG
- Max allowable pressure: PS: 125 PSIG
- Outlet pressure range Wd:
BP: 5.2 – 40.1” W.C.
MP: 40.1″ W.C. – 5 PSIG - Over pressure shut – off setting range:
Wd OPSO BP 12.8 – 64.3” W.C.
Wd OPSO MP 62.2 – 180.8” W.C. - Under pressure shut-off setting range:
Wd UPSO 2.4 – 32.1” W.C.
Wd UPSO MP 32.1 – 80.3” W.C. - Accuracy class: AC 5/10%
- Lock up pressure class: SG 30% Max
- Temperature class: 2: -68°F+140°F
Safety Devices and Accessories:
- Built-in 100 μm inlet filter with an area of 1.55 inch
- Over pressure shut-off device (OPSO)
- Under pressure shut-off device (UPSO)
- Excess flow valve
- Internal token internal relief valve (IRV)
- Safety shut-off device for lack of feeding (UPSO)
- Manual reset of safety shutoff device only
Learn how PF regulators can meet your precise needs by speaking with one of GROEBNER’s sales team today – 800-638-8322.