Descripción
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
