플랜지형 볼밸브KS
- Sealing of HWA SUNG flanged ball valve
- Effective sealing depends on
- the contact pressure
the contact surface of the seat
the accuracy of surface finish of the ball and seat, the sealing design and sealing material
- Anti-blow-out
- The stems are designed in a way which prevents them from blown out when any incompetent operation occurs.
