Designed especially for vapor withdrawal service in small ASME containers with surface area up to 23.8 square feet. UL flow capacity is 645 SCFM/air.
Unit of Measure



  • One-piece relief valve is shielded from tampering and damage.
  • Relief is forged as part of the body for extra strength.
  • 312 PSIG Relief Valve setting.


Body Material

N/A Forged Brass

Handwheel Material

N/A Aluminum Die Cast

Stem Material

N/A Brass

Seat Disc Material

N/A Nylon

Relief Spring Material

N/A Stainless Steel


Container Connection

N/A 3/4" M. NGT

Service Connection

N/A F.POL (CGA 510)

Fixed Liquid Level Vent Valve Style

N/A None

Pressure Relief Valve Setting

N/A 312 psig

For Use in Cylinders w/Propane Capacity

N/A ASME Tanks (Surface area up to 23.8 square feet.)

Flow Capacity SCFM/Air

N/A 645 SCFM/Air

Product Type

N/A Cylinder Valve


N/A RegO