butterfly valve two stem
Design & manufacture: API 609,ASME B16.34
Testing inspection: API 598
Face to Face dimensions:ANSI 609
Flanged end dimension: ASME B16.5,ASME B16.47A,ASME B16.47B,MSS SP-44,API 605
Butt-Welded end dimension: ASME B16.25
描述
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.
