Third, due to the structure of the three principles of eccentricity, valve plate and valve seat sealing surface is sealed between the gear on so that the torque pressure to the valve seat.

 
  • 三、因三偏心结构的原理,阀板的密封面与阀座之间的密封是靠传动装置的力矩使阀板压向阀座。
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