Overview:
The Class Z961Y high temperature and high pressure power station gate valve is apply to power plant gate valve is suitable for the Class1500lb~ 3500 lb, working temperature 570 degree centigrade under various working conditions such as petroleum, chemical industry, power plant piping cut off or connect medium. Applicable medium: water, oil, heat conduction oil, steam, etc. Disc and seat sealing surface using department too vertical - stellite cobalt-based hard alloy surfacing and become, wear-resisting, higmain technical parameters:h temperature resistance, good corrosion resistance, abrasion resistance.
Main technical parameters:
|
Product type |
Test Pressure(MPa) |
Work pressure (MPa) |
Work temperature (℃) |
Applicable medium |
||
|
Strength test |
Seal test/Back seal test |
|||||
|
Z961Y-250 |
25 |
37.5 |
27.5 |
- |
≤425 |
Water,steam |
|
Z961Y-320 |
32 |
48 |
36 |
- |
≤425 |
|
|
Z961Y-P54100 |
- |
30 |
22 |
P5410 |
≤540 |
steam |
|
Z961Y-P54170 |
- |
48 |
36 |
P5417 |
≤540 |
The major part materials:
Body :WCB, WC6,WC9
Disc :WCB, WC6,WC9
Bonnet:25,12Cr1Mo1VA
Stem: 1Cr17Ni2 ,20Cr1Mo1VA
Seat: 25, 12Cr1Mo1VA
Sealing ring : S mild steel (reinforced flexible graphite), S mild steel, F mild steel
Stuffing :reinforced flexible graphite ,
Yoke:WCB,WCB\WC6
Stem nut :45(ZCuZn25A16Fe3Mn3)
Four open loop:1Cr13,20Cr1MoVA