172" Orifice, PTFE Packing FKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional.. 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability. Mini Valve, Hard Seat, 1/4 NPT Male - 1/4 NPT Female, 316 SS, 0.
5" 304SS Case, 316SS Internals, 400 psi, 1/4 NPT Male Back Conn, Glycerin Filled, 304SS Front Flange Pressure Gauge, 2.Vacuum and compound ranges through 0 psi to 20,000 psi.
Blow-out proof stem provides a secondary stem seal in the full open position.187" Orifice, Panel Mount (2 nuts) Replaceable Acetal seat and straight through porting for bidirectional, high capacity flow and easy roddable cleaning.Needle Valve, Soft Seat, 1/4 NPT Female - 1/4 NPT Female, 316 SS, 0.