Pietro Fiorentini Governor - F31158 OPD 4" FLANGED, BLACK SPRING 6-14"WC, Line Pressure Regulator - High Capacity- Worker/Monitor (OPD Model)

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Pietro Fiorentini’s GOVERNOR line of gas regulators are designed to comply with the latest CSA and international standards for regulators suitable for indoor and outdoor installations with no modifications.

The GOVERNOR family of regulators are ideal for a wide range of residential through large industrial applications. The materials and soft parts used in the construction of the GOVERNOR regulators make them suitable for use with natural gas, LPG, Propane air and all other non-corrosive gases.

All the GOVERNOR regulators are equipped with balanced valve design for high outlet pressure accuracy regardless of any Inlet pressure variation. The double diaphragm and integral vent limiter provides added security in case of primary diaphragm failure. The external vent limiter eliminates the need for costly piping for indoor installations and complies with CSA guidelines.* The number of regulator options sometimes eliminates the need for separate units and significantly reduces installation costs.

• Safe, Reliable and High Performance
• Internal vent limiter: non removable, for indoor and outdoor installations.
• External vent limiter for indoor installations (As approved by Local Codes and Standards).
• Double diaphragm for added safety and greater reliability of service.
• Positive 100% bubble tight lock up Inlet and Outlet test ports
• Balanced valve design gives you for increase capacity, high 500:1 turndown and stable regulation from low to high flow.
• Complete lockup in absence of gas flow, bubble tight shutoff.
• Suitable for use with Natural Gas, LPG, and other non-corrosive, clean gas
• Inlet Pressure: 7” W.C. to 10 PSIG CSA approved
• Max. Inlet 7.25 PSIG for non-CSA
• Outlet pressure: 2" W.C. to 14" W.C. for CSA Class I
• Outlet pressure: 2" W.C. to 1 PSIG for CSA Class II
• Outlet pressure: 2" W.C. to 4.25 PSIG for non-CSA
• Temperature range: -40°F to 150°F
• Connections: ½” thru 4”
• Maximum Emergency Inlet Exposure Pressure: 80 PSIG

Parts / Accessories:

• Pietro Fiorentini - Springs for Governor Regulators Size 1/2" to 1" NPT
• Pietro Fiorentini – Springs for Governor Regulators Size 1-1/4" to 2" NPT
• Pietro Fiorentini – Springs for Governor Regulators Size 2-1/2" to 4" NPT
• Pietro Fiorentini, Vent Limiter, for 1/2" thru 1" valve sizes
• Pietro Fiorentini, Vent Limiter, for 1-1/4" thru 4" valve sizes

Also See:

• Pietro Fiorentini Governor - Line Pressure Regulator - Low Capacity Worker/Monitor (OPD Model)
• Pietro Fiorentini Governor - Standard Line Pressure Regulator - Low Capacity
• Pietro Fiorentini Governor - Standard Line Pressure Regulator - High Capacity
• Pietro Fiorentini Governor- Low Capacity Line Pressure Regulator (Dual Cut)
• Pietro Fiorentini Governor - High Capacity Line Pressure Regulator (Dual Cut)

Resources:

• Pietro Fiorentini Governors Technical Manual
• 10 PSIG Dual-Cut Worker/Monitor Line Pressure Regulator Manual
• Pietro Fiorentini Governor Line Pressure Regulators Brochure
• Pietro Fiorentini Conversion Calculations
• Pietro Fiorentini Governors Definitions 
• Pietro Fiorentini Regulator / Governor CSA Certificate of Compliance
• Pietro Fiorentini Vent Limiters / Extenders CSA Supplement to Certificate of Compliance

For More details on Flow Rates, see the Pietro Fiorentini Line Pressure Regulators Brochure

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