Check Valves come in non-metallic versions.
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Press Release Summary:
Inline Check Valves feature PEEK(TM) polymer inlet and outlet. Springless design results in cracking presure of 1 psi. Units offer backflow protection, biocompatibility, and chemical resistance.
Original Press Release:
Nonmetallic Inline Check Valves
Scivex, Upchurch Scientific Division, now offers nonmetallic versions of its 1/4-28 Inline Check Valves. These PEEK(TM) polymer inlet and outlet check valves offer the same backflow protection as our standard versions with added biocompatibility and chemical resistance benefits. Furthermore, their springless design results in an even lower cracking pressure - 1 psi (.07 bar).
