此时可更换螺钉或增加垫圈，以纵向摇动泵体时柱塞套“的的”作响但又滑不出泵壳为合适。

At this time may change or increase the washer screw to vertical shake when the plunger pump body kits "in the" sound Waterloo shell but not for the right pump.

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往复柱塞泵转套式配流系统是一种结构紧凑、密封可靠的新型配流系统。

Rotating-sleeve distributing-flow system for reciprocating plunger pump is a compact, reliable sealing of the new distribution system.

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