Butterfly valve has simple structure, small size, light weight, only a few components. And only need to rotate 90°can rapid opening and closing, easy operation, at the same time, the valve has good flow control characteristics.

Executive standard

Design standard: GB/T12238-89

Face to face: GB12221-89

Test standard: GB/T13927-92

Nominal size：DN50-DN1200

Pressure: 150LB~2500LB

Drive Mode: Manual, pneumatic, electric and so on.