CSA design certified Z21.80/ CSA 6.22 Class I Line Gas Pressure Regulator with Over Pressure Protection (OPD) for 10 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.

OVER PRESSURE DEVICE (OPD) MODEL

Inlet Pressure Range: 7” W.C. to 10 PSIG

Main Features:

• Worker & Monitor for added safety
• 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 5 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 other non-corrosive, clean gas
• Max. Inlet Pressure: CSA rated – 10 PSIG
  Non-CSA 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: ½” – 4”

Maximum Emergency Inlet Exposure Pressure: 80 PSIG
Do not use 31051, 31052, and 31053 on high efficiency generators or boilers; Suitable for indoor or outdoor installation***

*Spring is CSA outlet pressure certified   **As approved by local codes and standards  ***Brass vent limiter must be removed for outdoor installation

Downloads:
PF GOVERNOR 400 Brochure – English
PF GOVERNOR 400 Brochure – Spanish
PF GOVERNOR 400 Brochure – French Canadian
Installation Instructions
Installtion for adding external control line