“Dual” Cylinder Valve for Simultaneous Liquid and Vapor Withdrawal 8556


This dual cylinder valve was designed especially for industrial uses. It increases the cylinder’s flexibility by permitting DOT cylinders up to 100 lbs. propane capacity to be used interchangeably or simultaneously for either liquid or vapor withdrawal.


  • Two separate flow channels in the body permit vapor and/or liquid withdrawal alternately, or simultaneously.
  • Outlet connections have two different fittings.
  • Handwheels are equipped with appropriate “liquid” or “vapor” identification labels.
  • Furnished with a 3⁄8” O.D. stainless steel liquid withdrawal tube with a “T” dimension of 44”.


Body Forged Brass
Handwheel Aluminum Die Cast
Stem Brass
Seat Disc Nylon
O-Rings Resilient Rubber
Relief Spring Stainless Steel