AS SDM
Astra Seals AS SDM Double End Back to Back Mechanical Seal. Double end, unbalanced, independent direction of rotation, rubber bellow, bellow transmission. Compact structure with good compatibility, stability and easy installation. Inner diameter: 12 mm to 100 mm. Pressure: 0~0.8 MPa, Temperature: -20~120°C, Linear Speed: ≤10 m/s. Standards: DIN24960, ISO3069, GB6556. Widely used in oil and water circulation pumps, piping pumps, and vacuum pumps for sewage treatment and paper-making industries.
Materials
Rotary Face / Stationary Face / Elastomer / Spring / Metal Parts
SiC/TC/Carbon (Rotary) / Al2O3/SiC/TC (Stationary) / NBR/EPDM/Viton (Elastomers) / SS304/SS316 (Springs) / SS304/SS316 (Metal Parts)
1 Variant
| Model | Materials | GA |
|---|---|---|
| SDM | SiC/TC/Carbon (Rotary) / Al2O3/SiC/TC (Stationary) / NBR/EPDM/Viton (Elastomers) / SS304/SS316 (Springs) / SS304/SS316 (Metal Parts) | — |
Operating Conditions & Materials
Pressure
0 ~ 0.8 MPa
Temperature
-20 ~ 120 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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