Size
DN15~DN200
Pressure
PN16~PN320
Material
Stainless Steel, Carbon Steel
Medium
Water, Oil Products, Steam, And Various Corrosive Media
Temperature
-29℃~300℃
Standard
GB/T 12241、GB/T 12243
Model
A41Y/H, A21Y/H
Micro opening structure with small opening and closing stroke, suitable for liquid medium pressure relief conditions.
Multiple connection forms of threads/flanges, compact and compact structure, and small installation space occupation.
The sealing surface is welded with hard alloy, which is resistant to erosion and wear, and has stable sealing performance.
The spring external structure is convenient for setting the opening Pressure and convenient for commissioning and maintenance.
Sensitive action response, used for overpressure safety protection of pipelines and Pressure vessels.
