This nitrile (NBR) material and method of construction are the most popular for the majority of Walkersele radial lip seal applications. Walkersele M1 suits housings fitted with retaining plates.
Suitable for use with water and the majority of oils and greases.
Flexible back of nitrile-proofed fabric, with lip of 80 IRHD nitrile.
Maximum under-lip temperature
120°C constant: but note that under-lip temperature can often be substantially higher (eg, by 30°C) than fluid media temperature.
Maximum surface speeds
15 m/s with Walkersele D6 and D8 designs.
12 m/s with Walkersele D7 design.