双端面机械密封

双端面机械密封在涡旋式天然气压缩机中的应用

Application of Double Seal Faces Mechanical Seal on the Nature Gas Scroll Compressor

由二套BIA机械密封背靠背安装，共用一个弹簧可组成一套双端面机械密封型式。

Two sets of back-to-back assembled mechanical seal BIA , and together with a shared spring can form a double mechanical seal .

Cu浆泵双端面机械密封泄漏原因分析

Analysis of the leakage reason for dual face mechanical seal of copper slurry pump

双端面机械密封的封液系统改造

Rebuilding the System of Washed & liquid on the Dual Mechanical Seal

改造双端面机械密封冲洗系统提高泵的运行可靠度

Revamping Double end Seals Washing System to Increase Operation Reliability of Pump

轻烃泵用双端面机械密封的改造设计

Reformation of Dual - End-Face Mechanical seal for Hydrocarbon Pump

轴封采用新颖的双端面机械密封结构形式。

Seal using novel double-end mechanical seal structure .

浅谈对径向双端面机械密封的改进

Improvement on Radial Double - ended Mechanical Seal

进口高精密轴承和双端面机械密封，保证了设备的使用寿命和稳定性。

All imported high-precision bearings and double-acting mechanical sealing ensure service life and stability pfequipment .

本文阐述并分析了轻烃泵用双端面机械密封的特点，提出了改进方法和设计依据。

This paper describes and analyses the reasons of the failure of dual-encl-face mechanical seal for hydrocarbon pump and proposes a reformation and design method .

分析双端面机械密封的结构形式，根据实际情况，对其封液系统进行改造，确保机泵的稳定运行。

Analysis the structure of dual mechanical seal , according to the fact , rebuild the system of washed-liquid , and insure stability for this pump .

介绍了径向双端面机械密封在反应釜应用中存在的问题及改进，延长了使用寿命，降低了检修费用。

Existing problems of radial double ended mechanical seal used in reactors and their improvement are introduced , thus lengthening lifespan and reducing the cost of overhaul .

注：双端面机械密封的型号表示方法为：在产品型号规格的后面书写两组材料代号，用横线相连。数控高速双砂轮端面外圆磨床

Double seals : Material code for the secondary seal is directly followed by the product seal face codes . CNC high speed double-wheel angular approach cylindrical grinding machine

轴向双端面机械密封下轴承端盖密封采用双重密封，可确保密封效果，主轴采用防腐新技术，能保护主轴免受腐蚀。

Axial double mechanical seal The bottom bearing applies both labyrinth seal and frame seal , which have good performance of sealing . The main shaft is anticorrosive .

该文介绍了一种能使舰船用海水泵实现零泄漏，并在抽空状态下正常工作的新型集装式双端面机械密封。

A new type self contained and double faced mechanical seal has been succesfully developed for marine pumps which can operate with zero leakage under sea water and make pumps operate normally under an evacuated condition .

针对大港石化公司第一联合车间减压塔底渣油泵密封频繁失效这一突出问题，结合具体工况条件开发设计出了新型双端面机械密封并进行了实验室性能研究，最终成功实现工业应用。

Because the seals in bottom residual oil pumps in the first joint workshop of Dagang Petrochemical Company were frequently shut-down with the specific working conditions , the new type of dual mechanical seals were designed and investigated in laboratory . Finally the seals were successfully used in industry .

双端面高速机械密封的台架试验及其生产应用

Stand tests of the high-speed double mechanical seal and its application in practice