vent valve cover assembly 放风阀盖组成
release valve cover assembly 缓解阀盖组成
The relief valve can be cast and pump body and pump cover, also can separate assembly.
安全阀可以与泵体或泵盖铸成一体，也可以单独装配。
Remove the relief valve cover, stem/diaphragm assembly, and relief valve spring.
拆卸安全阀阀盖，阀杆/隔膜总成，和安全阀弹簧。
Remove the bolts and cover, realign the diaphragm assembly, and place the cover back on the relief valve body.
拆卸螺栓和阀盖，重新校准隔膜总成，并将阀盖放回到安全阀阀体上。
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