lever spring

基本解释

Swing check with outside lever and spring to be used on sump, sewage and storm drain lines.
行机构的旋启式止回阀用于污水坑、排污和雨水排泄管道。
The worm wheel is formed by means of two components for better receiving the worm wheel on the lever spring.
为了更好地将蜗轮接收在杠杆弹簧上，该蜗轮两件式地构成。
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Note: On pump discharge, the preferred check valves are an in-line spring loaded, swing design with lever and weight or lever and spring.
注意：在泵排泄口，首选的止回阀是管内弹簧负载，带杠杆和压铁或杠杆和弹簧的旋启式止回阀。