Size
DN50 And Conventional Full Series Size
Pressure
PN1.6~PN4.0
Material
WCB Carbon Steel, Internal Parts 2Cr13
Medium
Water, Oil Products, Steam, Nitric Acid, Liquefied Petroleum Gas
Temperature
-40℃~300℃
Standard
GB/T 12243、GB/T 12241
Model
A44Y
Spring loaded structure, sensitive movement, stable jumping and rebounding performance.
Fully open structure, high emission capacity, rapid pressure relief response.
Equipped with a standard lifting wrench, it can manually verify the flexibility of valve opening and closing on a regular basis.
The sealing surface is welded with hard alloy, which is resistant to erosion and corrosion, and has a long service life.
The specification covers multiple Pressure grades and is widely used for overpressure protection of Pressure vessels and pipelines.
