Gear oil pump seal way classification

04 - 20

using the classification of the seal has a variety of tricks, gear water pump has the following: red clash, the clash, modular, whole block sealing a few broad categories. , often encounter the seal seal given the seal face, might as well remove space or to reach the minimum sealing gap, so might as well reach high sealing function, but the conflict of the wear of the material is limited, is suitable for sealing surface corresponding low linear velocity field. By exchange sites in battle gear pump seal can be divided into radial ( Circumference of a circle) Sealing and axial ( End face) Seal; End face seal is often referred to as' sealing machine, is the most widely industrial water pump product sealing way. Not encounter seal airtight seal is not directly, without conflict and wear machine, suitable for high linear velocity field, professional life is long, but the sealing function is poorer, appropriate design can also arrived in '0'. The exchange seal contains the labyrinth seal, floating ring seal, the spiral sealing and end face energy controllable membrane sealing. Combined seal might as well have clash and not clash seal strengths, sealed condition to content with high parameters, the heavy and complicated, but the structure system is huge, so often industrial pump does not take such a way. Closed sealed with casing or hood will live whole block machine, total occlusion type water pump strengths is no shaft seal, are often used in flammable, explosive and toxic medium. Based on the characteristics of sealing in the pump product use seals use, organization characteristics, foundation structure index and the overall structure, might as well put fluid seal full and clear classification.

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