Shop Spring Check Valves
Stainless Steel Spring Check Valves
Inline design. NPT (IPS) Female Threaded Ends, 1,000 PSI WOG, Stainless Steel Body, Spring and Disc. Cracking pressure 3.5PSI~5.5PSI. Works in any orientation. Not recommend on the outlet of air compressors.
Click for 1/4",3/8", 2-1/2",3",4"
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Stainless steel spring check valves, also called non-return valves, are used in many applications. Their stainless steel, lead free, construction is fine with potable water and consumable liquids, they will handle many chemicals within a pH range of around 6~8. They have hard, stainless steel seats, no rubber seats to wear out or get damaged, but they are not considered bubble tight.