China Forged Stop-Check (SDNR) Valve Manufacturer Topper Supplies Forged Steel Stop-Check (SDNR) Valve, Bonnetless, 3/8 - 2 Inch, PN 160 - PN 640.
Key Specifications / Features
Pressure rating: 1500/2500(4500) lbs, PN 160 - PN 640.
Size range: 3/8 - 2 Inch.
Body materials: SA105N, SA350-LF2, SA182-F12, SA182-F22, SA182-F316(L), SA182-F51.
End connections: BW, SW, NPT, Flanged.
Features: Integral Bonnet (Bonnetless), Loose Backseat.