Wafer Type Butterfly Valves

VARIOS

Wafer Type Butterfly Valves Wafer Butterfly Valve (Model:BTV-A)

DN50 (2")~800(32") Type "wafer" butterfly valves are suitable for the pressure of PN1.0MPa and PN1.6MPa grades separately. Two dimensions in one column show the connection dimensions of PN1.0/PN1.6MPa pressure grades. The upper flanges of the valves are suitable all types of valves fitted with electric, worm gearing, manual, pneumatic and actuators. The dimensions D1 and n-ø of DN500 (20") listed in above table show the installation dimensions of butterfly valve. Of which the dimensions D1 and n-ø of DN50(2")~350(14") contain the standard of GB9112-88, DIN2501