Well Service Pump Packing Sets appeared in 1927 in the beginning. The material used at that time was leather. By the 1940s, synthetic rubber with good oil resistance and wear resistance appeared and became the main material used for oil seals. At the same time, due to the needs of military industry development and world industrial development, various forms of oil seals have emerged. Products have developed into a trend of diversification so far, and sealing elements of various materials are also produced in response to demand.
Well Service Pump Packing Sets have a square or rectangular cross-sectional area, and circular strips are filled in the sealed cavity to achieve sealing. The stuffing seal was originally made of cotton and other fibers plugged in the leakage channel to prevent liquid leakage, and it was mainly used as a shaft seal for water lifting machinery. Due to the wide range of packing sources, easy processing, low price, reliable sealing and simple operation, it is still used today. Nowadays, packing is widely used in shaft seals of centrifugal pumps, compressors, vacuum pumps, mixers and ship propellers, piston pumps, reciprocating compressors, reciprocating shaft seals of refrigerators, and rotary seals of various valve stems, etc.
- Aramid series
This series of Well Service Pump Packing Sets is made of aramid fiber as the main material, which is impregnated with lubricant and PTFE emulsion for many times. It has good high resilience, chemical resistance, low cold flow, and high line speed. Compared with other types of packing, it can resist particle crystallization medium and higher temperature. It can be used alone or combined with other packings. It is mainly used in the working conditions with many medium particles and easy wear.
