Hebei, China
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Consolidated Safety Relief Valves, Downhole Safety Valve, Pressure Relief Devices manufacturer / supplier in China, offering Spring Loaded Low Lift Type Safety Valve (A27H), Water Sensing Switch Pump Level Switch Bindicator Levemeter, Bi-Color Boiler Level Meter-Water Level Indicator (with Lamp) and so on.

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Spring Loaded Low Lift Type Safety Valve (A27H)

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Min. Order / Reference FOB Price
1 Piece US $100/ Piece
Production Capacity: 50000PCS/Year
Transport Package: Wooden Case
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union
Structure: Spring, Safety
Material: Casting
Type: Spring Type
Medium: Steam, Air, Water
Port Size: Dn20-Dn400
Specification: CE, ROHS, SGS, GMP

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Basic Info

Model NO.: A27H
Trademark: Tianjin U-ideal Instrument
Origin: Tianjin, China
HS Code: 8481804090

Product Description

spring loaded low lift type safety valve
A27H type are used for the equipment and pipeline of water, air, steam etc. Medium what the working temperature are less than 200. A27Y type are used for the equipment and pipeline of the quality with corrode me-dium what the working tempe-rature are less than 200. Take for extra pressure devices
Product Description
1.Working Principle
     The series of valve is used in bolier,pressure vessel and other pressure equipment that working temperature ductile cast iron ≤300ºC,WCB ≤425ºC & applicable medium is steam,air,water and noncorrosive medium etc.as a overpressure safety equipment.
     When the medium pressure goes up adjustable data automatically,then let them all ,so as to keep the pressure from going up,and when the pressure goes down another adjustable data,the valve will close automatically,so as to prevent the medium from leaking.
2.Technical Data:
 (1) Nominal Diameter DN(mm):DN20~DN400    working principle
 (2) Nominal Pressure PN(MPa): 1.6-4.0
 (3) Testing Pressure PN(MPa): Shell: 2.4~6.0 Sealing: 1.76~4.4
 (4) Suitable Mediums: water,steam 
 (5) Working Temperature:-20~+425°C
3.Material could be: 

Name of parts
BodyCast steel , Ductile cast iron

Disc,Seat ring,Adjusting ring,Valve guide,
Adjusting screw,Stem

2Cr13 Stainless steel
Bonnet,Cap of valve ,WrenchCast steel , Ductile cast iron

 Explanation of materials for main parts
NO.Name of partA27H MaterialsA27W-P MaterialsA27W-R     Materials
1   BodyHT350ZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti
2   Nozzle35ZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti
3    Adjusting ring2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti
4   Disc2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti
5   Spring50CrVA50CrVA   Coated Teflon50CrVA   Coated Teflon
6   Stem2Cr132Cr131Cr18Ni9Ti
7  Adjusting bolt452Cr131Cr18Ni9Ti
8    CapZG200-400ZG200-4001Cr18Ni9Ti

  Sealing surface of materialD507 Depositing D507Co   Depositing stellite
10  Adjusting nutQ235-A2Cr131Cr18Ni12Mo2Ti

  Sealing surface of material"Y" Co   Depositing stellite, "H" D507 Depositing D507, "W"   body
 Dimensions (mm)
Nominal diameter
DN (mm)
  Dimensions (mm)
doRcLL 1GH
32251 1 / "  55851 1 / "  170
40321 1 / "  55851 1 / "  310
65502 1 / "  761122 1 / "  344

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