N 18 X 25 X 5.5 NBR

 

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SN 21 U-Cup

SN 21 (Piston and Rod Seals)

The SN 21 has a symmetrical design which allows it to be used as a piston seal and a rod seal. Can be installed in both split and solid housings. Please note for a solid housing application a minimum width is necessary and suitable installation tools may be required. Manufactured in NBR90 and are primarily used with low pressures as the seal lips are provided with radial pre-stress which is strengthened by the pressure of the system. Apart from applications in hydraulics, this NBR design can also be used in pneumatic applications.

Operating Conditions:

Maximum Speed: 0.5 m/s

Temperature: -30°C to 110°C (-22°F to 230°F)

Maximum Pressure: 40 MPa

Compatible With:

• Mineral oil based lubricating greases

• Hydraulic fluids

• Lubricating oils

• Highly non-flammable hydraulic fluids

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