AS CR, CRA, GR-B, GR-C
Mechanical Seals CR (cartridge), CRA (cartridge), GR-B and GR-C for Grundfos Water Pumps. Single end, unbalanced, independent direction of rotation, cartridge shaft seals. GR-B uses elastomer bellows. Inner diameters: 10-32 mm. Pressure: ≤1.6 MPa, Temperature: -20~150°C, Linear Speed: ≤10 m/s. Specifically designed for Grundfos stamped stainless steel centrifugal pumps. Widely used in power plants, city water supply projects, and fire control.
Materials
Rotary Face / Stationary Face / Elastomer / Spring / Metal Parts
Carbon/SiC/TC (Rotary) / Carbon/SiC/TC (Stationary) / NBR/Viton/EPDM (Elastomers) / SS304/SS316 (Springs) / SS304/SS316 (Metal Parts)
1 Variant
| Model | Materials | GA |
|---|---|---|
| CR, CRA, GR-B, GR-C | Carbon/SiC/TC (Rotary) / Carbon/SiC/TC (Stationary) / NBR/Viton/EPDM (Elastomers) / SS304/SS316 (Springs) / SS304/SS316 (Metal Parts) | — |
Operating Conditions & Materials
Pressure
1.6 MPa or less
Temperature
-20 ~ 150 ºC
Linear Speed
10 m/s or less
Mediums
Oil, water, weak acid and alkali and other corrosive mediums.
Customization Available
Changes of materials for getting other operating parameters are possible. Contact us with your requirements.
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