To avoid uneven butterfly plate loading, the Hinge Post Bolts should align with crotch and outer radius of elbow and NOT from side to side of the elbow.

 
  • 为了避免蝶式阀板负载不均衡,铰柱螺栓应该与弯管外径和交叉部对齐,不要从弯管的一侧穿到另一侧。
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