The Chaoda Forged Steel Piston Check Valve is purpose-built for high-pressure, high-temperature applications where reliable backflow prevention is critical. Its spring-loaded disc ensures responsive sealing and consistent performance, even in fluctuating flow conditions. With a forged body for superior strength, bolted bonnet for easy maintenance, and hardfaced metal-to-metal seating for long-term durability, this valve is ideal for demanding environments like oil & gas, petrochemical, and power generation. Available in multiple materials and end connections, and tested to API 598 standards, it delivers confidence, compliance, and customization in a compact, high-integrity design.
| Valve Size | 1/2” to 2” |
| Action | Piston Check, Disc and Spring Operated |
| Body | One Piece, Bolted-Bonnet |
| Bonnet | Bolted |
| End Connections | Socket Weld, Threaded, Flanged |
| Flow Direction | Unidirectional |
| Loading Force | Spring-Loaded Disc |
| Pressure Class Range | ASME 150 - 1500 |
| Pressure Class Standard | ASME B16.34 |
| Seating | Metal-to-Metal |
| Shut-Off | Tight Shut-Off |
| Certifications | Canadian Registration Number (CRN) |
| Design Standards | API 602 |
| API 598 | |
| ASME B16.11 – Forged Fittings, Socket-Welding, and Threaded | |
| ASME B1.20.1 – Pipe Threads, General Purpose | |
| ASME B16.5 – Pipe Flanges & Flanged Fittings | |
| ASME SA Materials | |
| ASME A Materials | |
| Quality | ISO 9001:2015 |
| ISO 17025:2017 |
No manuals available at this time.