| Valve Type |
Swing Check Valve • Threaded Bonnet & Ends |
| Body Material |
59-1 Brass (CuZn40Pb2 • GB/T 5231) • Dezincification Resistant |
| Disc |
59-1 Brass Disc • Nitrile Rubber (NBR) Sealing Ring |
| Hinge Pin |
304 Stainless Steel • Corrosion-Resistant |
| Bonnet Connection |
Threaded (BSPT/NPT Taper Threads) • Seal: EPDM Gasket |
| End Connections |
Female Threads: BSPT (ISO 228) / NPT (ASME B1.20.1) |
| Size Range |
½” to 2″ (DN15 to DN50) |
| Pressure Rating |
150 PSI @ 120°C • 10 bar @ 150°C (Max. Static) |
| Temperature Range |
-10°C to 120°C (NBR Seal) • -20°C to 150°C (EPDM Seal) |
| Cracking Pressure |
0.05 bar (Min. for Full Opening) |
| Flow Direction |
Unidirectional • Arrow Marked on Body |
| Installation Orientation |
Horizontal Pipeline Only (Disc Swing Vertical) |
| Seat Leakage |
Class VI (ANSI B16.104) • Bubble-Tight Shutoff |
| Hydro Test |
Body: 30 bar • Seat: 11 bar (API 598) |
| Weight (Approx.) |
½”: 0.35 kg • 2″: 1.7 kg |
| Max. Operating Velocity |
3 m/s (Water) |
| Compliance |
RoHS • REACH • Lead Content: 0.8–1.9% (Non-potable) |
| Standards |
API 594 • ASME B16.34 • ISO 228-1 |
| Applications |
Water Lines • Steam (<120°C) • Compressed Air • Fuel Oil • HVAC Systems |
| Reconditioning Possible |
Yes (Replaceable Disc Seal & Gasket) |
