OEM Manufacturer Wafer Double Door Check Valve - Drain valve for steam-water system – Convista
OEM Manufacturer Wafer Double Door Check 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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Our mission should be to turn out to be an innovative supplier of high-tech digital and communication devices by furnishing benefit added design and style, world-class manufacturing, and repair capabilities for OEM Manufacturer Wafer Double Door Check Valve - Drain valve for steam-water system – Convista, The product will supply to all over the world, such as: Ottawa, Sacramento, Israel, We believe with our consistently excellent service you can get the best performance and cost least goods from us for a long term . We commit to provide better services and create more value to all our customers. Hope we can create a better future together.
Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.





