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Sealing FILLER--packing

- Jul 28, 2017 -

A packing, also known as a sealed filler, is usually made from a softer thread, through the cross-sectional area is the square of the strip filled in the sealed cavity, so as to achieve sealing, packing seal is the first cotton hemp and other fiber plug in the leakage channel to prevent leakage of liquid, mainly used as a water lifting machine shaft seal.

Because of the wide range of fillers, easy processing, low price, reliable sealing, simple operation, so it has been used so far. Now the packing is widely used in centrifugal pump, compressor, vacuum pump, mixer and ship propeller shaft seal, piston pump, reciprocating compressor, refrigerator reciprocating movement shaft seals, as well as various valve stem rotary seals.

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