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。
Note: On pump discharge, the preferred check valves are an in-line spring loaded, swing design with lever and weight or lever and spring.
油泵中可变形膜片的泵膜通过膜片回位弹簧和膜片拉杆与摇臂相连。
Inside the pump, a flexible diaphragm connects to the rocker arm though a diaphragm spring, pull rod and link.
介绍聚酯装置的真空系统的流程、 乙二醇蒸气喷射泵的外型型式设计、 支座设计、支座弹簧选择及乙二醇蒸气喷射泵配管设计中的要点。
The vacuum system process of PET unit, the design of EG steam ejector shape and support, the selection of support spring and the main points in the ejector pipe design are introduced.
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