All pressure seal gate valves are available with a solid wedge. Specify figure number 55006.
所有压力密封闸阀都可以配置实心硬楔形闸板。订购时请指定型号55006。
2
When the closed channel, the wedge-shaped head with a stem to open up the ball and pressed to seal the valve seat.
当关闭通道时，用阀杆的楔形头使球体涨开与阀座压紧达到密封。
3
Method for calculation of wedge-form water-seal structure is theoretically discussed. The calculation formula and points needing attention in design work are explained.