Forged Steel Check Valves
Forged steel check valves stop reverse flow automatically in small-bore, high-pressure piping. They open with forward flow and close when flow stops, with no operator needed.
We supply lift (piston), ball and swing type forged check valves in carbon, alloy and stainless steel, with socket weld, threaded or butt weld ends.
Specifications
| Product name | Forged Steel Check Valve |
|---|---|
| Valve type / design | Piston lift, ball lift or swing check; bolted or welded cover |
| Body material | ASTM A105 / A105N; A350 LF2; A182 F11 / F22; A182 F304 / F316; 13Cr or stellite trim |
| Size range | ½" to 2" (DN15 – DN50) |
| Pressure rating | Class 800 / 1500; Class 2500 on request |
| End connections | Socket weld (ASME B16.11), threaded NPT, butt weld |
| Standards | API 602, ASME B16.34, BS 5352, API 598 testing |
| Applications | Pump discharge, steam, compressor and small-bore process lines |
Industrial uses
- Pump & compressor dischargePreventing backflow on small-bore discharge lines.
- Steam & condensateNon-return duty after steam traps and on condensate lines.
- Oil & gasChemical injection and small process lines.
- Boiler feedSmall-bore feed and dosing lines.
- UtilitiesCompressed air, nitrogen and water branch lines.
Frequently asked questions
Which is better, piston lift or swing check?
Piston lift checks seal tightly and suit high pressure and horizontal lines, and spring-assisted versions also work vertically. Swing checks have lower pressure drop but need a horizontal or upward flow installation.
Can a lift check valve be installed vertically?
Standard lift checks are for horizontal lines. Spring-loaded or ball type versions can be used in vertical upward flow. Specify the orientation when ordering.
What pressure test do the valves receive?
Valves are shell and seat tested to API 598. Test certificates are available on request.