This nitrile (NBR) material and method of construction are the most popular for self-retaining Walkersele radial lip seals used in open housings.
Suitable for use with water and the majority of oils and greases.
Moulded in nitrile rubber with a stainless steel band encapsulated in its back.
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
12 m/s with Walkersele D6 and D8 designs.
10 m/s with Walkersele D7 design.