National standard power station gate valve
The National Standard Power Station Gate Valve is designed according to GB standards for thermal power plants and industrial steam pipelines. Featuring pressure-sealed bonnet construction, wear-resistant sealing surfaces, and excellent resistance to high temperature and pressure, it delivers dependable shut-off performance in demanding operating conditions.
National standard power station gate valve
National Standard Power Station Gate Valves are specially developed for thermal power stations, petrochemical plants, and high-pressure industrial applications. Manufactured from premium forged or cast steel materials, these valves offer superior sealing performance, pressure resistance, and operational reliability under extreme temperatures.
Designed in compliance with Chinese GB standards and international quality requirements, the valves are suitable for steam, water, oil, and other non-corrosive media. Precision machining and advanced testing ensure stable performance throughout the valve's service life.
As a professional valve manufacturer, we provide comprehensive OEM and ODM services.
Our power station gate valves are manufactured under strict quality control systems and can be supplied with:
National standard power station gate valve
| Parameter | Specification |
|---|---|
| Product Name | National Standard Power Station Gate Valve |
| Standard | GB/T, JB/T |
| Size Range | DN50 – DN1200 |
| Pressure Rating | PN16 – PN420 |
| Working Temperature | -29°C to 570°C |
| Body Material | WCB, WC6, WC9, C5, C12A, Stainless Steel |
| Disc Type | Flexible Wedge / Solid Wedge |
| Connection Type | Flanged, Butt Welded |
| Operation | Manual, Electric, Pneumatic, Gear Operated |
| Sealing Surface | Stellite Alloy, Hard-Faced |
| Applicable Media | Steam, Water, Oil, Thermal Fluid |
| Leakage Standard | API 598 / GB Standards |
| Design Life | 20+ Years |
| Testing Standard | API 598, GB/T 13927 |
National standard power station gate valve
Used in main steam pipelines, boiler systems, feedwater systems, and turbine auxiliary systems.
Suitable for high-temperature and high-pressure auxiliary piping systems.
Applied in refinery process lines and utility steam networks.
Used for isolation and shut-off control in high-pressure process pipelines.
Ideal for handling hot process fluids and industrial steam distribution.
Widely used in district heating, cogeneration plants, and energy distribution facilities.
Applied in blast furnace gas systems, steam generation, and heat recovery units.
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%.
