The metal to metal hard seat design is pressure rated to 10,000 psi @ 200 oF and the soft seat design, with a replaceable Delrin seat, is rated to 6000 psi @ 200 oF. The all 316SS blow out proof stem provides greater service life and a secondary stem seal in the full open position.
Stem packing, with the VitonR O-ring and TeflonR back up ring, is below the threads and prevents galling and corrosion. All NoShok valves are 100% Helium leak test to 1 X 10-4 ml/s for guaranteed performance and reliability.
Specifications of Bleed & Block Valves - 600 & 700 Series from NoShok:
- Material: Electroless nickel steel, electropolished stainless steel
- Connections: 1/4" NPT & 1/2" NPT; M-F, F-F configurations available
- Orifice Size: 600 Series: 0.187" with max. Cv of 0.44; 700 Series: 0.187" with max. Cv of 0.76