High Pressure Inline Check Valve Series

High-pressure Inline check valve series designed for compressed natural gas (CNG) flow control, liquid, and miscellaneous gas flow, as specified.

Specifications

SKU SS-CHS-4-1¹ SS-CHS6-1² SS-CHS-12¹
Tube O.D. (in) 1/4 3/8 3/4
Dimension L (in/mm) 2.430 (61.70mm) 2.75 (69.90mm) 3.520 (89.40mm)
Dimension L1 (mm) 1.040 (26.40mm) 1.42 (36.10mm) 1.780 (45.20mm)
Body Material SS316/A479 SS316 SS316/A479
Max. Working Pressure (psi)  6000 (414 bar) 6000 (414 bar) 5000 (345 bar)
End Connection 1/4 in Hy-Lok 3/8 in Hy-Lok 3/4 in Hy-Lok
Seal Material NBR 1/2 NBR
H1 Hex Flat (in/mm) 9/16 (14.20) 0.69 (17.50mm) 1-1/8 (28.58mm)
H2 Hex Flat (in/mm) 11/16 (17.46) 1.0 (25.40mm) 1-5/8 (41.28mm)
Max. Operating Temperature -40 to +250°F
(-40 to +121°C)
-10 to +375°F
(-23 to +190°C)
-40 to +250°F
(-40 to +121°C)
O-Ring Material SS316 Ethylene Propylene, Viton : Standard, NBR SS316
Connector Material SS316/A479 N/A SS316/A479
Spring Material SS302 N/A   SS302

¹ Designed for use with compressed natural gas (CNG).
² Suitable for liquid and gas use.