ze range:1/2"～20" (DN15~DN500) Pressure rating:Class 150~300(PN16-PN40)
Size range:1/2"～20" (DN15~DN500)
Pressure rating:Class 150~300(PN16-PN40)
Material:Carbon steel,Low temperature steel,Stainless steel etc.
Design&manufacture according to GB/T12237
Face-to-face according to GB/T12221
End connection according to GB/T12221
Test&inspection according to GB/T13927
Features and benefits:
1.Impurities are and larger size particles cloud be filtered.
2.Impurities are stopped on the bottom of screens,and flow pass normally.It doesn’t increase heat losing,create internal pressure,nor reduce valves’ service life.
3.Internal pressure could be released by relief valve when cleaning and maintenance of valves,then open the drain outlet to clean the screens.