该阀设计采用闸板表面全面包覆优质橡胶，因此具有高弹性、长寿命、无渗漏等特点。

The valves which are design adopted good rubber are full covered with the face of gate disc so that they have high flexible, long lifetime and no leakage features, etc.

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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。

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

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