Hiwa - Model B15W -Wafer Concentric Cartridge Seat Butterfly Valve

The butterfly valve is with universal flange one-piece wafer type body, for minimum weight and maximum strength. The resilient cartridge seat with phenolic(or aluminium) hard back, avoiding movement and deformation. The seat can be optional molded type to body, suitable for dead end and vacuum service. There are two connect types between disc and stem, pinless spline type and with pin type. High Cv, lower head loss, longer lifetime with low operating torques. Operator can be manual hand lever, worm gear, electric actautor or penumatic actuator. Replaceable seat, low maintenance cost design and long service life.