其密封结构是通过闸板关闭下移直到闸板底部斜面与阀体下锲块压紧使得闸板贴紧阀座密封面，从而达到了密封效果。
The seal structure is that gate moves down till the bottom of the ramp compress carve blocks of the body to make gate compresses the sealing of the seat to achieve sealing effect.
上压板与连接块顶部固定在一起，并 将同步齿形带压紧。
The upper platen is fixed together with the connecting block, and compacting the synchronous toothed belt tight.
下压板与连接块底部固定在一起，并将无弹性带压紧。
The lower platen is fixed together with bottom of the connecting block and compacting the inelasticity belt tight.
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