Screw seal, self-centring
Steel zinc plated self-centring
USIT GASKET M13 13,7X22 MM
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- Zinc plated steel, blue passivated (A2K)
- Steel washer with moulded-on rubber sealing lip (NBR70), for sealing screw heads (primarily used with metric hexagon head bolts according to DIN) and flange connections.
- For high pressure, vacuum and broad temperature ranges.
- Optimal sealing effect due to precisely defined lip formation.
- No pressing out, even under extreme pressure conditions, due to metal-metal contact.
- Low tightening torque
- No retightening of installed seal
- Replaces other seals used up until now
- Reusable
- Easy, quick, reliable and secure installation.
- Overhead installation possible
- No special machining of the metal surface required.
- Temperature resistant from -35 °C to +120 °C
- Hardness of rubber seal: 65-75 Shore
Datasheets(X)
Professional installation:
It is recommended that a centring recess is provided for the sealing washer to prevent the seal being placed in an eccentric position.
 | |
Internal diameter (d1) | 13.7 mm |
Outer diameter (d2) | 22 mm |
Thickness (h1) | 1.5 mm |
Material | Steel |
Shore A hardness | 70 +/- 5 |
Surface | Zinc plated |
Min./max. temperature resistance | -30 to 100 °C |
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