Double eccentric segmented ball valve  is designed to meet the most stringent services.The two vectors movement (rotation/translation) provided by the double eccentricity design allow to open and close the valve with out friction or wearing at the seat & segment ball.

Additionally during the closure end ,seat is cleaned by sweeping .

Rotary double eccentric segmented  ball valve does not have dead cavity as ball valve . No risk to trap over pressure and product in the body cavity .

Reliable dual anti-friction bearing with metallic shield arrangement offer the best protection against particles.

The ball segment valves high capacity results from the design of its seat and ball segment. Compared to other valve designs it is often possible to use smaller and more economical valve sizes. What puts QUANSHUN ball segment valves apart from many other suppliers is that the free flow part minimize  the risk of clogging.