AS M7N, M74
Mechanical Seal for Chemical Centrifugal Pumps, KSB/Kaiquan Water Pumps and Double Suction Pumps. M7N: single end, wave spring, unbalanced, independent direction of rotation, lug transmission. M74: single end, multi springs, unbalanced, lug transmission. M7N allows transferring particulate, crystallized and high viscosity content. M74 has pre-assembled compensation components, easy to install with balanced load on seal faces. Inner diameter: 20 mm to 300 mm. Pressure: ≤1.6 MPa, Temperature: -40~200°C, Linear Speed: ≤20 m/s. Standards: DIN24960, ISO3069, GB6556.
Materials
Rotary Face / Stationary Face / Elastomer / Spring / Metal Parts
SiC/TC (Rotary) / Carbon/SiC/TC (Stationary) / NBR/EPDM/Viton/FFKM (Elastomers) / SS304/SS316/PH17-4/HC-276 (Springs) / 410S/SS304/SS316/SS316L/Hastelloy (Metal Parts)
1 Variant
| Model | Materials | GA |
|---|---|---|
| M7N, M74 | SiC/TC (Rotary) / Carbon/SiC/TC (Stationary) / NBR/EPDM/Viton/FFKM (Elastomers) / SS304/SS316/PH17-4/HC-276 (Springs) / 410S/SS304/SS316/SS316L/Hastelloy (Metal Parts) | — |
Operating Conditions & Materials
Pressure
1.6 MPa or less
Temperature
-40 ~ 200 ºC
Linear Speed
20 m/s or less
Mediums
Oil, water, acid, alkali, organic solvents and subjects that are easy to be crystallized or have granules and high viscosity.
Customization Available
Changes of materials for getting other operating parameters are possible. Contact us with your requirements.
Installation Dimensions
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