The shortcoming of top valve housing for standard type oil well pump plunger is wear and rupture of oil flow pore wall.
标准型抽油泵柱塞上阀罩的工作缺陷是出油孔壁磨损断裂。
The travelling valve of the pump is designed to be closed and opened forcibly, and the pump plunger adopts equal-diameter bare pipe with a floating structure to prevent gas lock and sand sticking.
这种抽油泵柱塞游动阀采用机械强制开启和关闭的结构，柱塞为等径光管、浮动结构，可防止发生气锁游动阀、阀球关闭滞后、砂卡柱塞现象。
Using constant pressure variables plunger pump, output pressure can keep constant and flow varies as per system's demand.
采用恒压变量柱塞泵，输出压力保持恒定，输出流量根据系统需要而变化。
Warning: entire pump must be shut off before adjusting the packed plunger side or bodily injury could result.
警告：调整密封活塞时泵必须关闭，否则容易受伤。
This article introduces the technological improvement of deburring the plunger couples of P7 pump in order to ensure Dlunser couples cleanness to the standard.
通过对P 7泵柱塞偶件去毛刺工艺的改进，确保P 7泵柱塞偶件清洁度达到规定的要求。
In this paper, the failure mechanism of plunger seals for injection pump used in oil field is investigated and the features of existing reciprocating seal structures are evaluated.
对大功率油田注水柱塞泵柱塞密封的失效机理进行了论述，分析了现有几种典型的密封结构。
Internal combustion water power system integrated traditional internal combustion engine and plunger pump technique, made directly use of the rectilinear motion of plunger for output water power.
内燃式水动力系统将传统内燃机与柱塞式水泵技术集成为一体，直接利用活塞往复直线运动输出水动力。
This article discusses the cause and damage of shock during distributing oil in axial plunger pump, introduces and analyzes some methods of controlling shock during distributing oil.
本文讨论了轴向柱塞泵配油冲击的原因和危害，并介绍和分析了几种控制配油冲击的方法。
The device integrated traditional combustion engine and plunger pump technique, made directly use of the rectilinear motion of plunger for outputting water power.
内燃式水动力装置将传统内燃机与柱塞式水泵技术集成为一体，直接利用活塞往复直线运动输出水压能。
Our main products are: nozzle, plunger, delivery valve, ve pump, etc., all products are quality and cheap.
我司的主要产品有：油嘴，柱塞，出油阀，VE泵等，所有产品均质优价廉。
The calculations for the stroke, speed and acceleration of the plunger are summarized, providing a basis for selecting the structure and working parameters of the pump.
还综述了柱塞冲程、速度和加速度的计算，为特种抽油泵结构和工作参数的正确选择提供了依据。
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 paper analyzes the reasons why there are noises with Angle plunger pump and puts forward noise reduction measures.
分析了斜轴式柱塞泵产生噪声的原因，并提出了减低噪声的方法。
Aimed to decrease damping coefficient and enhance pump's dynamic performance, a method for reducing the radial plunger pump stator forces was developed by analyzing the type JBP-63 pump stator forces.
为了降低阻尼系数进一步提高泵的动态性能，通过对JBP-63型径向柱塞变量泵定子受力仿真分析，研究了减小径向柱塞液压泵的定子不平衡力的方法。
A forced-closing-and-opening plunger pump is developed to solve the problems of gas lock and sand inflow and low pump efficiency in steam injection Wells.
针对辽河油田蒸汽吞吐油井存在气锁、出砂、后期油稠泵效降低的状况，研制了强启闭柱塞抽油泵。
The optimal economic working zone and economic curve were defined and compared with traditional internal combustion engine driving plunger pump.
定义了系统最佳经济性工作区域和最佳经济曲线，并与传统内燃机驱动柱塞泵系统进行比较。
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。
The barrel, plunger and standing valve of the pump were designed, improving the barrel's force conditions and reinforcing the screw thread's sealing performance and tensile strength.
该泵对泵筒、柱塞、固定阀做了设计，改善了泵筒受力状况，提高了螺纹的密封性能和抗拉强度。
The transformation on sealing components of glass pipeline in import sulphuric acid refine device from abroad and sealing structures of the imported high pressure plunger pump is introduced.
介绍了引进硫酸精制装置中玻璃管路密封件以及高压柱塞泵密封结构的改造。
The pump valve has a structure of semi-spheric plunger with guide rod, and its seat and ball are aligned by means of a spring, and it is opened and closed in time.
泵阀件采用带导向杆的半球形柱塞结构，弹簧制动，精确控制阀球与阀座对中，启闭动作及时。
As has been shown in practice, it is a new generation of the radial plunger pump which has new structure and reasonable design.
实践证明，该泵是一种结构新颖，设计合理的新一代径向柱塞泵。
The Weatherford STP helps you reduce sand damage by moving sand upward through the pump and away from the barrel/plunger interface.
STP可使砂粒向上移动，远离泵筒和泵塞泵接触面，从而减少砂粒引发的磨损。
The extruder is a single screw extruder, a double screw extruder, a multiple screw extruder, a plunger extruder or a melt pump.
挤出设备用单螺杆挤出机、双螺杆挤出机、多螺杆挤出机、柱塞式挤出机或熔体泵。
Working conditions of plunger in water hydraulic plunger pump is quite adverse, and its material needs rather high requirements on strength and wearability.
水液压柱塞泵的柱塞工况非常恶劣，对材料的强度和耐磨性都有较高要求。
A sheath (30) closes the opening (18) and embraces an inner portion of the plunger (25), whereby pumping chamber (33) is defined between the pump body (11) and the sheath (30).
一外壳(30)封闭开口(18)并包围柱塞(25)的内部，由此在泵本体(11)和外壳(30)间限定一增压室(33)。
The results indicate that the mechanism is reliable, which output pressure for different size of plunger pump is adjustable.
研究结果表明，该机构安全可靠，能够提供稳定的压力，压力大小可调，适合于不同尺寸柱塞泵的可靠性检验。
In accordance with this circumstance, a new type of oil well pump has been designed and developed - auto - compensation soft plunger pump.
针对这种情况，设计研制了一种新型井下抽油泵——自补偿式软柱塞泵。
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.
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。
Rotating-sleeve distributing-flow system for reciprocating plunger pump is a compact, reliable sealing of the new distribution system.
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。
The results of matching some diesel engines indicate that the pump P7100 with top clearance plunger could meet power and exhaust emission requirements of this engine.
与某柴油机配试结果表明，带顶隙柱塞的P7100喷油泵能够满足其功率和排放要求。
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