Gate valves are offered in two designs: Parallel Disc and Flexible Wedge. Parallel Disc are position seated; Flexible Wedge are torque seated when closing.

• 我们提供的闸阀的结构形式具有两种:平行阀瓣和弹性楔形闸板。平行阀瓣为定位阀座密封;弹性楔形闸板在关闭时则是扭矩阀座密封。