Assistant valve enterprise to win the world

Assistant valve enterprise to win the world
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Ductile iron spring micro lift safety valve

Product specification

Size:DN25~200
Pressures:PN16~320
Material:Carbon Steel, Stainless Steel, Nodular Cast Iron
Temperature:≤300℃
Design:GB/T 12243
End Connection:Flange, Thread



Product feature

A47 spring slightly open safety valve is applicable to equipment and pipelines with water, air and other non corrosive media ≤300°C. When the medium pressure reaches the specified opening pressure, the valve automatically opens (the opening height is not less than 1/20do), and then discharges in full. When the pressure drops to the specified reseating pressure, the valve automatically closes to ensure the safe operation of equipment and pipelines.


Manufacturer

YUMING VALVE GROUP CO., LTD.