Exhaust check valve
The Exhaust Check Valve is designed for exhaust gas, air, and low-pressure steam systems. Its precision-engineered sealing components and robust construction provide rapid response, prevent reverse flow, and reduce energy loss. Suitable for continuous operation, it ensures system safety, longevity, and efficient exhaust management in industrial applications.
Exhaust check valve
The Exhaust Check Valve is engineered for systems where controlled exhaust flow and reverse flow prevention are critical. It features high-quality materials and precision machining for durable, leak-free performance. The valve minimizes pressure loss while maintaining fast response, making it ideal for compressors, engines, turbines, and industrial gas handling systems.
Exhaust check valve
| Parameter | Specification |
|---|---|
| Product Name | Exhaust Check Valve |
| Valve Type | Swing Check / Lift Check |
| Nominal Size | DN25 – DN500 |
| Pressure Rating | PN10 – PN40 |
| ANSI Class | Class 150 – Class 300 |
| Body Material | Carbon Steel, Stainless Steel, Alloy Steel, Bronze |
| Seat & Seal Material | PTFE, Graphite, Metal-to-Metal |
| Connection Type | Flanged, Threaded, Welded |
| Temperature Range | -20°C to +400°C |
| Operation | Automatic, Gravity/Flow Operated |
| Leakage Standard | API 598 / ISO 5208 |
| Design Standard | API 594, ASME B16.34, GB/T |
| Applicable Media | Exhaust Gas, Air, Low-Pressure Steam, Industrial Gas |
Exhaust check valve
Used in turbine and generator exhaust lines, ensuring safe and efficient venting.
Applied in compressed air and gas exhaust systems to prevent backflow.
Used in low-pressure steam discharge pipelines for safety and efficiency.
Ensures reliable exhaust management in internal combustion engines and gas turbines.
Prevents backflow in ventilation and exhaust pipelines.
Material customization plan
Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.
Structural optimization design
For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.
Interface standard adaptation
Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.
