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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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Product Introduction

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


A27H/Y/W spring micro-opening non-closed safety valve