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double orifice air valve PN10/16/25

double orifice air release valve size DN50-DN250 PN10/16/25 flange EN1092 PN10/16/25

double orifice air valve PN10/16/25

double orifice air valve
ductile iron:ductile iron
ball:SS304
air release nut brass or stainless steel
fasten bolts:galvanized steel or stainless steel
coating:Fusion bonded epoxy powder RAL5017,250micron thickness
Flange:BS EN1092 PN10/16
test standard BS EN1074
size :DN50-DN250
pressure PN10/16/25

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