“REGE PLUS” check valve NPT threaded ends "REGE PLUS" check valve NPT threaded ends PN 25/18. Made in chrome-plated brass according to UNE-EN 12165. Vulcanized NBR sealing. Stainless steel AISI 304 spring. NPT threaded ends F-F ANSI B 1.20.1. Max. temp. 90ºC. Install in any position.Reference: 3122PN See Technical Sheet