Fluid end consists mainly of module, suction and discharge valve assembly, suction and discharge spring, suction and discharge pipe, plunger, packing, safety valve and pressure regulator, etc.
液力端主要由液缸、吸入、排出阀总成、吸入、排出弹簧、吸入管、柱塞、盘根、安全阀、稳压器等部件组成。
Fuel injection pump assembly, should view the plunger positioning screw gasket roller pin, such as body positioning, such as whether the omission.
喷油泵总成，应该把位置，如身体，如柱塞定位螺钉密封滚针，是否有遗漏。
In order to verify the performance of fracturing truck and plunger pump, bench test, final assembly test and field industrial test should be performed.
为了验证压裂车和柱塞泵的性能，进行了台架试验、出厂试验和现场工业试验。
The calculating equation of the relative rotating Angle in the leakage test of plunger and barrel assembly has been deduced by the geometric method.
利用几何方法推导柱塞偶件密封性试验中相对回转角度的计算式。
By adoption of the technical proposal of the utility model, a sealing device of the plunger hydraulic cylinder is convenient for assembly, and the sealing performance is improved.
采用了本实用新型的技术方案，使得柱塞式液压缸的密封装置便于安装，提高了密封性能。
By adoption of the technical proposal of the utility model, a sealing device of the plunger hydraulic cylinder is convenient for assembly, and the sealing performance is improved.
采用了本实用新型的技术方案，使得柱塞式液压缸的密封装置便于安装，提高了密封性能。
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