● The butterfly valve is with square universal flange one-piece wafer type body, heavy 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 several connect types between disc and stem, pinless spline type and split two pcs stem type or 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.