CSA design certified Z21.80/ CSA 6.22 Class I Line Gas Pressure Regulator with Over Pressure Protection (OPD) for 5 PSIG inlet pressure, outlet pressure range of 2” W.C. to ½ PSIG. The GOVERNOR allows for vent limited**, multi-position installation and positive dead-end lockup for ½” through 2″. The GOVERNOR Gas Pressure Regulator also features double diaphragm, integral vent limiter with balanced valve design to provide increased capacity and accuracy. The GOVERNOR is suitable for indoor and outdoor installation.

Safe, Reliable and High Performance

Main Features:

• Two stage regulation for over pressure protection
• ANSI Z21.80A-2019/ CSA 6.22A-2019 Class I up to 14″ W.C. and Class II for outlet pressures up to 1 PSIG and inlet pressures up to 10 PSIG Certified
• ANSI Z21.18B-2019 / CSA 6.3B-2019 for inlet pressure up to 10 PSIG certified
• Integral Vent Limiter
• External Vent Limiter – no vent line required**
• Positive 100% bubble tight lockup
• Inlet and Outlet test ports
• 500 to 1 Turndown
• Filter included in all models

Vent Size

• 1/4” NPT – 1/2” – 1”
• 1/2” NPT – 1 1/4” – 4”

Outlet Spring Range:

• Green 2” W .C. to 5.1” W.C.*
• Red 2.75” W .C. to 7.87” W.C.*
• Black 6” W.C. to 14” W.C.*
• Yellow 9.8” W.C. to 27.5” W.C.
• Violet 23.6” W.C. to 2.13 PSIG*
• Orange 2 to 4.26 PSIG

Specifications:

• Suitable for use with Natural Gas, LPG and any non-corrosive clean gas
• Inlet Pressure: 3 PSIG to 10 PSIG; Max. Inlet Pressure: CSA rated – 10 PSIG: Pietro Fiorentini rated – 10 PSIG
• Outlet pressure: 2” W.C. to 1 PSIG for CSA and up to 3 PSIG for non-CSA applications
• Temperature range: -40°F to 150°F
• Connections: 1/2” through 4”
• Maximum Emergency Inlet Exposure Pressure: 80 PSIG
• Suitable for Indoor or Outdoor Installation

Do not use 31051, 31052, and 31053 on high efficiency generators or boilers

*Spring is CSA outlet pressure certified   **As approved by local codes and standards

Downloads:
PF GOVERNOR 400 Brochure – English
PF GOVERNOR 400 Brochure – Spanish
PF GOVERNOR 400 Brochure – French Canadian
Governor DC Engineering Specification Sheet
Governor OPD Engineering Specification Sheet
PF GOVERNOR Installtion Manual