W5, 6 series are of large capacity, medium load valve. Suitable for regulation of medium pressure gas or liquid, high temperature styles are also available.
W5 series adopt open type of butterfly plate; for W6 series, a set of symmetrical distributed back seat rings are used in valve body.
QRM series diaphragm type and QRE series piston type quarter-turn actuator can be used with W series valve, and EMR series are electric actuator for these valve.
WCB, CF8, CF8M, CF3M
W5: 2%×Cv, W6: 0.5%×Cv
W5 series opening structure,
W6 flat sealing face structure