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4114 Safety Relief Valve


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4114 Safety Relief Valve

Product Overview

Safety Relief Valve Series

A21F-16C, A21H-16C, A21H-40, A21H-64, A21Y-100, A21H-160, A21W-16P, A21W-40P, A21F-40P, A21W-64P, A21W-100P, A21W-160P, A21Y-16R, A21Y-40R, A21Y A21Y-16R, A21Y-40R, A21Y-64R, A21Y-100R, A21Y-160R, KA21Y-16C, KA21Y-16P.


Application

A21F, A21H-C type is suitable for the equipment and pipeline of air, ammonia, petroleum and other media with the working temperature ≤ 200°C. A21W-P, R type is suitable for the equipment or pipeline of corrosive gases or liquids with the temperature ≤ 200°C, as the overpressure protection device.
Model KA21Y is suitable for liquefied petroleum gas with temperature ≤ 100℃.


Certification

BasCo offers a full range of safety valve products, having obtained certifications such as TS, EAC, and type testing qualifications. It provides safe and reliable customized solutions and products tailored to users' actual working conditions.

Specifications

Main parts and materials
No. Part Name A41H-C/KA41Y-C material A41H-P/KA41Y-P material A41H-R/KA41Y-R material
1 Pipe connector 20 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
2 Pipe fitting nut 35 2Cr13 1Cr18Ni9Ti
3 Valve seat 35 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
4 Valve body 2cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
5 Valve flap 2cr13/2cr13+PTFE 1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE 1Cr18Ni12Mo2Ti
6 Spring seat 2cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
7 Elastomer 50CrVA 50CrVA coated fluoroplastic 50CrVA coated fluoroplastic
8 Lock Nut Q235-A 2Cr13 1Cr18Ni9Ti
9 Spring guide pad 2Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
10 Adjustment ring Q235-A 2Cr13 lCr18Ni12Mo2Ti
Sealing surface material 'Y' type surfacing Co-based cemented carbide, 'H' type surfacing D507, 'W' type for the valve body b
Main external dimensions
Model DN D d D0 M d1 D1 L L1 L1
KA21Y-16C
A21H-16C\A21H-40
A21W-16P\A21W-40P
KA21Y-16P
15 12 15 20 M27X1.5 G1/2' 30 35 76 66
20 16 20 25 M33X1.5 G3/4' 34 40 87 68
25 18 25 31 M39x1.5 G1' 40 50 100 105
a21y-64xa21y-64p
A21Y-100\A2lY-100P
15 10 15 25 M39x1.5 G1' 44 50 100 66
20 10 20 31 M39x1.5 G1' 44 50 100 68
25 12 25 31 M39x1.5 G1' 44 50 100 105
A21W-160/160P 15 8 20 M24x2 G1' 44 50 100 261
20 8 25 M33x2 G1' 44 50 100 261
25 8 28 M36x2 G1' 44 50 100 285

Downloads

  • 4114 Spring Loaded Low Lift External Thread Type
    4114 Spring Loaded Low Lift External Thread Type
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