4 inch butterfly valve

This worm gear butterfly valve has short structure size, small size, light weight and light operation. The 24 inch butterfly valve adopts a triple eccentric structure, which has the function of closing and tightening when closed. The butterfly plate can bear pressure in both directions, with excellent sealing performance and zero leakage. After opening, the sealing surface is completely out of contact and protects the sealing surface from damage. The body valve seat structure is adopted, which reduces the direct contact of the valve seat with the medium, thereby reducing the degree of erosion of the valve seat and extending the service life of the valve seat.

Semi-lug butterfly valve can be ether mounted between two pipes by ordinay hexagon head bolts or mounted on the pipe end (lugged-type).Easy to installation. 4 inch butterfly valve used EPDM/NBR rubber seat, which can ensure the tightness of the valve, o leakage. Semi lug type butterfly valve can equiped by lever handle,worm gear box, electric actuators, pneumatic actuators, hydraulic actuators accoring to customers's requirements. All the actuators can easy to exchange.