J41YPower station stop valve
The J41Y Power Station Stop Valve is specially designed for thermal power stations, boiler systems, and high-pressure steam pipelines. Equipped with wear-resistant sealing surfaces and heat-resistant alloy materials, it provides dependable shut-off performance, excellent pressure resistance, minimal leakage, and long-term operational reliability under severe working conditions.
Power station stop valve
The J41Y Power Station Stop Valve is a high-performance globe-type isolation valve developed for high-temperature and high-pressure applications in power generation facilities. It is widely used in main steam pipelines, feedwater systems, condensate circuits, and boiler auxiliary systems.
Manufactured from premium alloy steel, forged steel, or stainless steel, the valve offers outstanding resistance to thermal stress, pressure fluctuations, erosion, and corrosion. Precision-machined seating surfaces ensure excellent sealing performance and extended service life. Available in manual, bevel gear, electric, and pneumatic configurations, the valve can be integrated into modern plant automation systems.
J41Y Power Station Stop Valves are manufactured and tested according to international standards:
Power station stop valve
| Parameter | Specification |
|---|---|
| Product Name | J41Y Power Station Stop Valve |
| Valve Type | Globe Type Stop Valve |
| Nominal Size | DN15 – DN600 (½" – 24") |
| Pressure Rating | PN16 – PN760 |
| ANSI Class | Class 150 – Class 4500 |
| Body Material | WC6, WC9, C12A, WCB, Stainless Steel |
| Disc Material | Stainless Steel, Stellite Overlay |
| Seat Material | Hard-Faced Alloy Steel |
| Connection Type | Flanged, Butt Weld, Socket Weld |
| Operation | Manual, Bevel Gear, Electric, Pneumatic |
| Temperature Range | -29°C to +650°C |
| Leakage Standard | API 598 / ISO 5208 |
| Design Standard | ASME B16.34, API 623, GB/T |
| Applicable Media | Steam, Water, Condensate, Thermal Oil |
Power station stop valve
Main steam lines, boiler systems, superheater pipelines, and turbine isolation systems.
Steam transmission and energy distribution networks.
Boiler startup, shutdown, and maintenance isolation applications.
High-pressure steam utility systems and thermal process pipelines.
Steam control and critical shut-off operations.
High-energy fluid isolation and emergency shut-off systems.
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%.
