Desc:Double orifice air valve with three function use technical specification:Size:DN40-300Design standard: EN1074-4:2000Flange standard: EN1092-2:1997Test...
Desc:Double orifice air valve with three function use technical specification:Size:DN40-300Design standard: EN1074-4:2000Flange standard: EN1092-2:1997Test...
Desc:Double orifice air valve with three function use technical specification:Size:DN40-300Design standard: EN1074-4:2000Flange standard: EN1092-2:1997Test...