E4 Pneumatic piston seal

Operating conditions

 Pressure:     ≤ 16 bar

Temperature: -30°C...+80°C

Speed:         ≤ 1 m/s

Medium:       Oil lubricated air, dry air (cylinder should be permanent lubricated during installation)


NBR-based elastomer (hardness 78 Shore A)


Can be simply pulled over a one-piece piston. Permanent lubrication during installation is especially important if air doesn’t provide lubrication to the cylinder. This way it is possible to ensure a long enough lifespan. Carbon-Teflon guides are suggested for pistons.


D= H11, d= h9, L= +0,2


- Sealing lip designed to operate with lubricated air as well as dry and oil free air

- Robust structure

- Tight fir into groove ensures reliable operation

- Sealing lip designed to ensure optimal friction characteristics

- Suitable for cylinders with cushioning

- Long lifespan due to properties of the elastomer

- Easy to assemble on a one-piece pistons

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