这样两个动作使管道上阀板始终有一个是关闭状态，可使卸灰与锁气同时达到目的。
The two actions can maintain closed state of either disc in pipe. So it can discharge and lock air at the same time.
重锤锁气翻板卸灰阀主要由阀体、阀板、阀轴、摇杆、重锤等零件组成，利用力矩平衡的方法实现锁气卸灰。
The valve is mainly made up of body, disc, axle, rocker and heavy hammer etc. It realizes discharging and air locking using trimming moment.
C为吊锤自动复位机构，具有占地面积省、节能，卸灰调节方便，卸灰、锁气可靠之功能。
C is hammer automatic restore structure which is characterized by small area, saving energy, convenient adjustment and dependable discharge dust and air lock.
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