Hydraulic-actuation inlet three-way valves
Material for main parts
No. |
Name |
Material |
1 |
Body |
WCB |
2 |
Seat |
A105 |
3 |
Disc |
WCB |
4 |
Stem |
1Cr17Ni2 |
5 |
Seat |
WCB |
6 |
Bonnet |
WCB |
7 |
Packing |
Enhanced flexible graphite |
8 |
Hydraulic actuation |
Equipped |
Application: Installed in the inlet water supply of high-pressure heater unit of 300MW, 600MW. When an accident occurs in the high-pressure heater and the water level exceeds the allowable water level, the feed water is urgently switched to the bypass, and the high-pressure heater is safely taking offline, which plays the role of protecting the high-pressure heater.