7010 Air release valve single orifice

Circumferential ball sealing, control cork allows flushing without disassembling of the bonnet. Minimum operating pressure equal to atmospheric pressure. Fully EPDM vulcanized aluminum ball (AISi). Body bonnet made of ductile cast iron EN-GJS 400-15 EN 1563, stainless steel A2 body bonnet screws. Flange connection and connector according EN 1092-2 (DIN2501) or threaded according EN 10226-1 pressure PN10, PN16