20,000 psi Medium Pressure Valves
Medium Pressure (coned & threaded) type connections for 1/4", 3/8", 9/16", 3/4", 1" and 11/2" O.D. tubing.
Non-rotating tip stems are standard on LF4, LF6 and LF9 for on-off service and ensure long life on valve seats. Regulating tip stems are available for all valves at no additional cost, add - REG to part number.
Glands and collarsfor tubing are supplied with each valve unless otherwise requested ( See Glands and Collars).
Materials include high tensile type 316 stainless steel bodies and hardened 17-4PH stainless steel lower section stems. 11/2" O.D. valves are constructed of 2205 duplex.
Packing is Teflon (450°F) standard with optional Viton (350°F), BUNA-N (200°F) and Grafoil (800°F) available at no additional cost.
Air operators for remote control operation are available for all valves. Refer to Air Operator section of catalog for additional data).
Extreme temperatures can be accommodated by using extended stuffing boxes (See Valve Options).