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Mud agitator gland packing material

2012-12-29

Principle of mud agitator gland packing

About gland packing principle can do such description: the padding filled into  annular gap between mixer shaft and stuffing box, under the effect of gland force, produce radial compression force to the mixer shaft surface. Because of the packing contains lubricant, so there will produce a layer of thin liquid film when produce radial compression force to the mixer shaft surface. The layer of liquid film on the one hand make mixing shaft get lubrication, on the other hand avoid to leak liquid or exterior liquid permeate. This is the principle of the gland packing.

 

Mud agitator gland packing material

For adapt to requirement of agitator in different cases, the category of gland packing material are many. Which kind of material to choose mainly according to the mixer shaft spindle speed, operating temperature, operating pressure and chemical property of material. In general, the material used to manufacture gland packing must meet the following requirements:

 

1 Should be resistant to the soaking and corrosion of medium and lubricant, and does not contain the material which can be swelled and weakened by medium and lubricant.

2 Should have enough plasticity, under the packing gland compression can be adapt to the shape of shaft and seasoning function and for deformation.

3 Should have enough flexibility, to absorb the design which can’t avoid shaft moving.

4 Won't bite or corrosion shaft.