“York” Check valve "York" Check valve PN 12 – PN 10 – PN 8. Body brass UNE-EN 12165. NBR (rubber) sealing 65 sh/ps. Stainless steel spring – AISI 302. Gas threaded ends (BSP) F-F ISO 228/1. Max. temp. 100ºC. Assembling: any position.Reference: 3120 See Technical Sheet