Worm gear transmission wafer type soft seal butterfly valve...

Pneumatically driven flange soft seal butterfly valve...

Electric drive wafer type soft seal butterfly valve...

Flange type multi-layer metal hard seal butterfly valve...

Wafer-type multi-layer metal hard seal butterfly valve...

Butt-welded Hard Sealed Butterfly Valve...

Low-load ventilation butterfly valve...

Electric flange soft seal butterfly valve...