CR16 Grundfos CR Mechanical Seal

16mm Grundfos CR Mechanical Seal Replacement

Materials:

● Seal Rings: Resin Carbon, Antimony Carbon, SIC, SSIC, Tungsten Carbide

● Elastomer: VITON, EPDM, NBR

● Metal Part: SS304

Assembly Dwg:

Dimensions (mm):

*Related Introduction*

According to statistics, about 80%-95% of the leakage of mechanical seals is caused by the friction of the seal end face. In addition to keeping the sealing surfaces parallel, the main problem is the material of the friction pair.

The friction pair material should meet the following conditions:

1) High mechanical strength, able to withstand pressure and pressure deformation;

2) It has dry wear resistance, high load resistance, and good self-lubrication;

3) The mating material has good running-in, without excessive wear and dual corrosion;

4) Good wear resistance and long life;

5) Good thermal conductivity and heat dissipation;

6) Good high temperature resistance;

7) Good thermal crack resistance;

8) Strong corrosion resistance;

9) The coefficient of linear expansion is small, the heat-resistant deformation and the dimensional stability are good;

10) Good machinability and good forming performance;

11) Good air tightness;

12) The density is small.

Comprehensive evaluation of friction pair materials, it is generally believed that graphite materials impregnated with resin or metal have good thermal conductivity and self-lubricating properties, and should be given priority; ceramic materials should be selected for strong oxidizing media; ceramic materials should be selected for media containing particles; hard materials should be selected for media containing particles For hard friction pair materials, such as tungsten carbide-tungsten carbide; strong corrosive media should be filled with PTFE-ceramics.

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