These Parkair stainless steel non return valves are BSPP Female x BSPP Female. Suitable for use with fuel systems, the valves are suitable for a maximum working pressure of 24 bar (1/8" to 3/4") and 17 bar (1" to 2") and have a temperature range of -18°C to +70°C. The opening(cracking) pressure for these valves is 0.5 bar.
The valve is manufactured from 316 stainless steel, with VITON seals. This valve is available in sizes from 1/8" to 2"