The upstream pumping mechanical seal was used as shaft sealing of vacuum plants.
研究了上游泵送机械密封在真空装备轴封中的应用。
If mechanical seal is used, adjust the stud on the gland to ensure no leak with it.
使用机械密封时，应调整机封压盖螺柱，使其无泄漏。
Shaft seal: mechanical seal, according to user requirements can be used seal packing.
轴封：采用机械密封，根据用户要求也可以采用填料密封。
The mechanical seal for light hydrocarbon pump belong to the seal for liquid and gas phases.
轻烃泵机械密封属于汽液两相密封。
The shaft sleeve and mechanical seal can be replaced without removing the shaft from the pump.
轴套和机封的更换不必将轴从泵上拆下来。
The mechanical seal leakage of hot oil pump has always been an important problem for oil refineries.
热油泵机械密封的泄漏一直是炼油厂关注的重要问题。
No mechanical seal leakage or abnormal vibration or noise occurred to the two pumps during operation.
两台泵在运转过程中均未见有机械密封泄漏现象发生，也未见有异常的振动和噪声。
Mechanical seal: this type is especially suitable for multi-stage slurry pump in series and without leakage.
机械密封：该形式的密封特别适用于多级串联渣浆泵的密封，完全无泄漏。
Mechanical seal leakage, the sleeve and the shaft leakage between (inter-axis leakage) is relatively common.
机械密封泄漏中，轴套与轴之间的泄漏是比较常见的。
This paper summarizes various factors of causing deformation and their effects on mechanical seal performance.
本文综述了变形的各种因素及其对机械密封性能产生的影响。
Analyzed breakage causes of mechanical seal in liquid ring compressor, and introduced measures for improvement.
分析液环式压缩机机械密封损坏原因，提出改进措施。
Frequent leakage of mechanical seal of quenching oil circulating pump was a hard problem in ethylene production.
急冷油循环泵的机械密封频繁泄漏是困扰乙烯生产的老难题。
Mechanical seal is the key part of submersible sewage pump, the reliability of it decide the submersible sewage pump life.
作为潜水污水泵关键部件的机械密封，其可靠性决定潜水污水泵的使用寿命。
Therefore we decide to use wave-shaped tube mechanical seal instead of the original one to guarantee the normal production.
为保证生产正常进行，我们决定采用波纹管式机械密封来取代原密封。
Mechanical seal design is key to the damage of damping function due to the loss of working liquid of hydraulic shock absorber.
为了防止液压减振器因工作液的损失而丧失阻尼效能，其机械密封结构的设计是重要问题。
Pump shaft seals use mechanical seal, pump top and bottom, respectively, equipped with water injection plug and the drain plug.
泵的轴封采用机械密封，泵体顶部和底部分别装有注水、放泄的螺塞。
Using finite element method, the thermal and mechanical deformations of herringbone spiral groove mechanical seal are analyzed.
用有限元法分析了人字形螺旋槽机械密封的热变形和力变形。
Analyzes the design characteristics of the spiral groove combined mechanical seal, and presents its operation and modification.
对螺旋槽组合式机封的设计特点进行分析，并对运行情况和改进进行介绍。
The stainless steel centrifugal pump uses the water cooling mechanical seal, extends the mechanical seal service life effectively.
不锈钢离心泵采用水冷却机械密封，有效延长机械密封使用寿命。
This mechanical seal is produced by the mating and slight crushing of the threads when a wrench is applied to tighten the fittings.
当用扳手上紧配件时，这种机械密封会在螺纹配合和轻微的变形来生成密封效果。
The testing machine for mechanical seal is the important equipment to carry out the research on basic behaviors of mechanical seals.
机械密封试验机是进行机械密封装置基础研究和性能检测的重要装备。
Mechanical seal of cantalever centrifugal pumps in an aromatic complex in Jilin Petrochemical Company experienced frequent failures.
中国石油吉林石化分公司炼油厂芳烃装置悬臂离心泵密封频繁失效。
Therefore, developing the mechanical seal for variable work conditions is the critical task to improve the life of the mechanical seal.
因此，开发变工况机械密封以适合机械密封在变工况条件下的工作成为解决机械密封寿命的关键。
Direct coaxial structure, high efficiency, small size, light weight, installation and maintenance easy. 6. Mechanical seal, long service life.
同轴直接式构造，效率高，体积小，重量轻，安装保养容易。6.采用机械密封，使用寿命长。
This series pump features a unique impeller structure and a new mechanical seal, and can effectively transfer and long fibers containing solids.
该系列泵采用独特叶轮结构和新型机械密封，能有效地输送含有固体物和长纤维。
The inner mechanical seal shall be constructed with a solid block carbon rotating seal face and a solid block silicon carbide stationary seal face.
内置的机械密封结构应该采用一块整体结晶碳旋转密封面和一块整体结晶碳化硅固定密封面。
The type and structure of mechanical seal for used in floating roof oil tank were analyzed and compared. The selection recommendation was proposed.
对浮顶油罐上使用的机械密封的类型、结构进行了分析比较，并提出了选择建议。
The circumstance of mechanical seal invalidation is simply introduced and the main cause of mechanical seal installation is analyzed in this paper.
简要介绍了机械密封失效的情况，并分析了机械密封失效的主要原因。
Improvement for the mechanical seal cover and nationalized modification for the mechanical seal are made, and good results and benefit have been achieved.
分析了引进苯酐泵的运行情况，进行了机封压盖改进和机封国产化设计，取得了良好的效果和效益。
Impurity pump mechanical seal after static test, the operation of high-speed rotation of the centrifugal force generated will inhibit the leakage of media.
杂质泵用机械密封经过静试后，运转时高速旋转发生的离心力，会克制介质的泄露。
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