what is ball valve and types
The ball valve is a quarter-turn suitable for gas, compressed air, liquid and slurry service. The use of soft-seat materials such as nylon, delrin, synthetic rubbers and fluoridated polymers imparts excellent sealing ability. With fluoridated polymer seats, ball valves can be used for service temperatures ranging from –450 Deg. To 500 Deg. F; with graphite … Read more