RSD SP is a two piece single acting pneumatic rod seal which consists
of one nitrile rubber sealing element and one polyester elastomer
scrapper prole ring.
PDP S.E s a single acting complete piston seal which consists of an
aluminum plate vulcanized with elastomeric nitrile rubber using
special production methods.
PHP is a double acting complete piston seal which consists of a steel plate vulcanized with elastomeric nitrile rubber using special production methods.
The sealing lips do have springs in order to
increase the preload.
PP is a double acting complete piston seal which consists of a steel plate vulcanized with elastomeric nitrile rubber using special
production methods.