Concentric disc wafer(lugged) butterfly valve two stem without pin
Concentric disc wafer(lugged) butterfly valve two stem without pin
Note:DN50~DN800 butterfly valves are suitable for the pressure of PN1.0 and PN1.6MPa grade separately.
Two dimensions in one size show the connection dimensions of PN1.0/PN1.6MPa pressure grade.
The upper flanges of the valves are suitable all types of valves fitted with electric,worm gear,manual,
pneumatic and actuators.The dimensions D1 and n-Ø are listed in above table show the installation
dimensions of butterfly valve.It contains China Standard(GB),International Standard(ISO),
Germany Standard(DIN),and England Standard(BS) of flange connection standard,etc.
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