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Types of mud agitator shaft seal


Mud agitator reliable sealing is an important problem , because if agitating shaft leaked oil, not only waste oil, but also pollution the drilling fluid.  

Agitating shaft seal is divided into mechanical seal and packing seal. Drilling fluid mud agitator shaft belongs to the low speed , low pressure, is applicable packing seal, because it has a simple structure, easy maintenance, high reliability, etc.

Packing seal principle is simple. It is to rely on gland under pressure , compress packing in the packing box, radial pressure on the surface of an agitating shaft, Because of the lubricant is contained in packing, therefore a layer of liquid film on the stirring shaft.