Gold Member Since 2013
Audited Supplier
Hebei Xukang Meter Manufacturing Co., Ltd.

Safety Relief Valve, Safety Relief, Crosby Relief Valve manufacturer / supplier in China, offering Spring Loaded Low Lift External Thread Type Safety Valve, Yg43h Pneumatic Regulator, High Sensitivity Steam Pressure Reducing Valve, Ultrasonic Level Meter Explosion-Proof Type and so on.

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Supplier Homepage Product Safety valve pressure safety valve Spring Loaded Low Lift External Thread Type Safety Valve

Spring Loaded Low Lift External Thread Type Safety Valve

FOB Price: US $100 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100/ Piece
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Production Capacity: 5000 PCS/Month
Transport Package: Wooden Case
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: A21H
  • Structure: Spring
  • Type: Spring Type
  • Port Size: Dn15~25
  • Specification: CE, ROHS, SGS, GMP
  • HS Code: 8481804090
  • Connection: Thread, External Thread
  • Material: CS, Ss, etc.
  • Material.: Gas
  • Trademark: Tianjin U-ideal Instrument
  • Origin: Tianjin, China
Product Description
A21F, A21H-C type are used for the equipment and pipeline of the air, ammonia, petroleum gas, etc. Medium what the wor-king temperature are less than 200. A21W-P, R type are used for the equipment and pipeline of the quality with corr ode gas and liquid medium shat the wor-king temperature are less than 200. Take for extrapressure protection devices. KA21Y type are used for liquefied petroleum gas what the working temperature are less than 100
Explanation of materials for main parts
NO.Name of partA21H-C/A21F    KA21Y-C MaterialsA21W-P/A21F-P    KA21Y-P MaterialsA21Y-R      Materials
1    Union201Cr18Ni9Ti1Cr18Ni12Mo2Ti
2  Union nut352Cr131Cr18Ni9Ti
3   Nozzle351Cr18Ni9Ti1Cr18Ni12Mo2Ti
4   Body2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti
5   Disc2Cr13/2Cr13+PTFE1Cr18Ni9Ti/1Cr18nI9Ti+PTFE1Cr18Ni12Mo2Ti
6    Spring washer2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti
7   Spring50CrVA50CrVA   Coated Teflon50CrVA   Coated Teflon
8  Locking nutQ235-A2Cr131Cr18Ni9Ti
9  Spring guide2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti
10  Adjusting nutQ235-A2Cr131Cr18Ni12Mo2Ti

  Sealing surface of material"Y" Co   Depositing stellite, "H" D507 Depositing D507, "W"   body
Dimensions (mm)
Type(DN)
Nominal diameter
dodDoMd 1D 1LL 1H
KA21Y-16C A21H-16C A21H-40
A21W-16P A21W-40P KA21Y-16P
15121520M27      1.5G1/2"30357666
20162025M33      1.5G3/4"34408768
25182531M39      1.5G1"4050100105
A21Y-64
A21Y-64P A21Y-100
A21Y-100P
15101525M39      1.5G1"445010066
20102031M39      1.5G1"445010068
25122531M39      1.5G1"4450100105
A21W-160
/160P
15820/M24      2G1"4450100261
20825/M33      2G1"4450100261
25828/M36      2G1"4450100285

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