knife gate

基本解释

The invention relates to a knife-shaped gate valve, in particular to a rising stem knife-shaped gate valve.
本发明涉及一种刀型闸阀，尤其涉及一种明杆刀型闸阀。
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The Bi-Directional Knife Gate Valve provides bubble tight shutoff in both directions up to full rating of the valve.
这种双向刀闸阀在阀门压力等级下，任何方向均可实现气泡级密封关闭功能。
The bottom of the disc is made of knife-shaped gate with a cut off function of the medium. When gate is closed , oblique plane of gate valve encounters wedge block of gate to achieve sealing effect.
闸板底部做成刀形斜面具有切断介质功能，而且闸板关闭时通过阀体上的锲块紧靠闸板斜切面使得闸板紧紧贴靠阀座密封面，从而起到了密封效果。