Equipped with excess flow valves and liquid withdrawal tubes, they are designed for liquid withdrawal of DOT cylinders up to 100 lbs. propane capacity. They are most often used with heavy BTU loads found in industrial uses.
Unit of Measure



  • O-ring stem seal design.
  • Nylon tapered seat disc for positive closure.
  • Self-tapping screw secures handwheel to stem and reduces possibility of handwheel vibrating loose while in transit.
  • Features ball check excess flow valve.
  • Furnished with 3/8" O.D. stainless steel withdrawal tube with "T" dimension of 44".


Body Material

N/A Forged Brass

Handwheel Material

N/A Aluminum Die Cast

Seat Disc Material

N/A Nylon

O-Ring Material

N/A Resilient Rubber

Relief Spring Material

N/A Stainless Steel

Stem Material

N/A Brass


Container Connection

N/A 3/4" M. NGT

Service Connection

N/A CGA 555

Fixed Liquid Level Vent Valve Style

N/A Knurled

Dip Tube Length w/Deflector

N/A 11.6 in

Liquid Withdrawal Tube Length

N/A 44 in

Pressure Relief Valve Setting

N/A 375 psig

For Use in Cylinders w/Propane Capacity

N/A Up to 100 lb

Approximate Filling Rate Liquid Flow

N/A 10 PSIG Pressure Drop Across Valve: 3.3 gpm25 PSIG Pressure Drop Across Valve: 5.4 gpm50 PSIG Pressure Drop Across Valve: 7.7 gpm100 PSIG Pressure Drop Across Valve: 11.9 gpm

Closing Flow (LP-Gas)

N/A Liquid: 1.7 gpmVapor 25 psig Inlet: 525 SCFMVapor 100 psig Inlet: 1000 SCFM


N/A 1/4" O.D. pigtails or POL connections for 1/4" O.D. pigtails should not be used with these valves.

Product Type

N/A Cylinder Valve


N/A RegO


N/A To ensure proper functioning and maximum protection from excess flow valves, the cylinder valve should be fully opened and backseated when in use. These valves incorporate an excess flow valve. Refer to L-500 / Section F, for complete information regarding selection, operation and testing of excess flow valves.