Poppet type, zero leak, inline check valve for liquid and gas applications to 3000 PSIG. Fully retained O-ring seal design permits full rated pressure in the checked direction. Offered with fully interchangeable dual ferrule tube or metal-to-metal face seal connections.
A variety of crack pressures and seal materials, combined with a metal-to-metal positive stop, provides long trouble-free service life in the most demanding applications. All valves are 100% factory tested for crack, leakage, and reseal performance.
- Working Pressures to 3000 PSIG (206 bar)
- Full Pressure Rating in Check Direction
- Fully Retained O-Ring Seal
- Dual Ferrule Tube, Female NPT, Male NPT, and Face Seal Connections Available
- Cracking Pressures from 0.3 to 25 PSIG (0.02 – 1.7 bar)
- 100% Factory Tested for Crack, Leakage and Reseal Performance
- Available in Brass or 316 Stainless Steel
- Available Cleaned & Packaged for Oxygen Service
- Nominal Crack Pressures: 0.3, 1, 10 & 25 PSIG (0.02, 0.07, 0.7 & 1.7 bar)
- Maximum Pressure: 3000 PSIG @ 70°F (206 bar @ 21°C)
- Temperature Rating: -80°F to 375°F (-62°C to 190°C) — based on seal selection
- Flow Coefficients (Cv): 1/8" = 0.10 | 1/4" = 0.47 | 3/8" = 1.47 | 1/2" = 1.68
- Note: 4VS (Face Seal) configuration available in 316 Stainless Steel only
- Note: Dimensions shown with tube nuts finger-tight
