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PRESSURE SAFETY VALVE
A27H/Y/W spring micro-opening unclosed safety valve
- Product Category：PRESSURE SAFETY VALVE
- Product Name：A27H/Y/W spring micro-opening unclosed safety valve
- Product Tag：Pressure Safety Valve Manufacturer In China
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Brief introduction of springslightly lifted safety valve(A27H) (A27Y)
A27H type spring micro-opening safety valve is suitable for equipment or pipelines with water, air, steam and other media whose working temperature is ≤200℃. A27Y is suitable for equipment or pipelines with corrosive media at working temperature ≤200℃, as an overpressure protection device.
Material of main parts and components of A27H spring micro-lift safety valve:
NO. |
Part Name |
A27H material |
A27W-P material |
A27W-R material |
1 |
Valve body |
HT350 |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
2 |
Valve seat |
35 |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni9Ti |
3 |
Adjustment ring |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
4 |
Disc |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
5 |
spring |
50CrVA |
50CrVA coated fluoroplastic |
50CrVA coated fluoroplastic |
6 |
Stem |
2Cr13 |
2Cr13 |
1Cr18Ni9Ti |
7 |
Adjusting screw |
45 |
2Cr13 |
1Cr18Ni9Ti |
8 |
Protective cover |
ZG200-400 |
ZG200-400 |
1Cr18Ni9Ti |
Sealing surface material |
"H" Surfacing D507 |
"Y" surfacing Co-based cemented carbide |
