Super Purchasing for Single-Lever Safety Valve - Drain valve for steam-water system – Convista
Super Purchasing for Single-Lever Safety Valve - Drain valve for steam-water system – Convista Detail:
| Type | Drain Valve |
| Model | PJ661Y-500(I) V, PJ661Y-630 V, PJ661Y-P54290(I) V, PJ661Y-P61310 V |
| Nominal Diameter | DN 40-100 |
The product is used for steam-water system of boiler or steam turbine of thermal power supercritical (ultra-supercritical) unit.
- The valve body adopts overall forged structure.
- Sealing type of the valve body and bonnet adopts pressure self-sealing structure.
- Sealing surface of the valve seat has Stellite 6 alloy build-up welding.
- Sealing surface of the valve disc has Stellite 12 alloy build-up welding.
- With curb (or annular pressure reducing groove) at its front, the sealing surface can prevent particle and impurity in pipes from crushing the sealing surface upon valve closing.
- The sealing part adopts two-step throttle element pressure reducing structure and medium pressure reduces step by step to prevent cavitation and scouring from damaging the sealing surface.
Product detail pictures:

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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of Super Purchasing for Single-Lever Safety Valve - Drain valve for steam-water system – Convista, The product will supply to all over the world, such as: Hungary, Qatar, Congo, Adhering to the principle of "Enterprising and Truth-Seeking, Preciseness and Unity", with technology as the core, our company continues to innovate, dedicated to providing you with the highest cost-effective solutions and meticulous after-sales service. We firmly believe that: we're outstanding as we have been specialized.
The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.





