Best quality Diaphragm Valve - Hydraulic three-way valve for water supply of high-pressure heater – Convista
Best quality Diaphragm Valve - Hydraulic three-way valve for water supply of high-pressure heater – Convista Detail:
| Type | Three-way Valve |
| Model | F763Y-2500LB, F763Y-320, F763Y-420 |
| Nominal Diameter | DN 350-650 |
During normal operation of high-pressure heater of 600 to 1,000MW supercritical (ultra-supercritical) thermal power unit, the main route of the three-way valve at high pressure heater inlet is opened and the bypass is closed. Water supply of the boiler enters the high-pressure heater from the main route before entering the boiler through the three-way valve at high pressure heater outlet.
- The valve body and bonnet adopt fully forged steel structure.
- Sealing type of the valve body and bonnet adopts pressure self-sealing structure.
- Top of the valve bonnet has water injection and drainage holes and the piston is built in the valve bonnet.
- Sealing surfaces of the valve seat and disc adopt Stellite No. 6 alloy spray welding.
- The bypass sealing adopts the sealing structure integrating modified PTFE elastic energy storage ring and perfluoro O-ring.
- The throttle elements in inlet three-way valve bypass and the upper valve seat adopt integrated design and require no additional throttle orifice separately.
Product detail pictures:

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Generally customer-oriented, and it's our ultimate goal for being not only the most trusted, trustable and honest provider, but also the partner for our customers for Best quality Diaphragm Valve - Hydraulic three-way valve for water supply of high-pressure heater – Convista, The product will supply to all over the world, such as: Hungary, Australia, Canada, Our company offers the full range from pre-sales to after-sales service, from product development to audit the use of maintenance, based on strong technical strength, superior product performance, reasonable prices and perfect service, we'll continue to develop, to deliver the high-quality items and services, and promote lasting cooperation with our customers, common development and create a better future.
This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!





