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4112 Safety Relief Valve

Demand consultation
4112 Safety Relief Valve

Product Overview

Safety Relief Valve Series

a61h-160, a61y-320, a61y-160p, a61y-320p


Use of A61H/Y-160, A61Y-320

A61H/Y-160, A61H/Y-320 are suitable for equipment or pipeline of air, ammonia, petroleum gas and other media with working temperature ≤ 200°C. A61Y-160P, A61Y-320P are suitable for equipment or pipeline of corrosive gases or liquids with temperature ≤ 200°C as overpressure protection devices.


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 Valve body WCB ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
2 Valve seat ZG2Cr13/1Cr18Ni9Ti ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
3 Adjusting ring ZG2Cr13/1Cr18Ni9Ti ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
4 Valve flap 2Cr13/1Cr18Ni9Ti 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
5 Guide sleeve ZG2Cr13/1Cr18Ni9Ti ZG1Cr18Ni9Ti ZG1Crl8Ni12Mo2Ti
6 Valve cover ZG230-450 ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
7 Elastomer 50CrVA 50CrVA coated fluoroplastic 50CrVA coated fluoroplastic
8 Valve stem 2Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
9 Adjustment screw 45 ZG1Cr18Ni9Ti 2Cr13
10 Protective cover ZG200-400 ZG200-400 ZG1Cr18Ni12Mo2Ti
Sealing surface material Overlay D507 Surfacing co-based hard alloy
Main external dimensions
PN DN Dimension
D0 D0 D1 D2 L L1 H
Valve body 10 6 17 14 12 115 135 78
15 8 22 18 16 115 135 85
20 10 28 22 20 115 135 135
25 12 35 26 24 160 165 142
Valve Body 10 6 22 14 12 115 135 80
15 8 25 17 15 115 135 90
20 10 30 22 20 115 135 140
25 12 38 26 24 160 165 148

Downloads

  • 4112 Closed Spring Loaded Low Lift Type High Pressure
    4112 Closed Spring Loaded Low Lift Type High Pressure
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