Stenso - Hovedkatalog 2019

The PU seal series SA is exclusively de- signed for use as piston seals. The type UN can be used for both rod and piston seals. The seals are mainly used in lower up to intermediate pressure applications. Very go- od sealing characteristics and significantly longer service life as against NBR materials is a feature of this product. SA (UN) 45 Single Acting Piston Seal : Polyurethan : up to 40 MPa (400 bar) : reciprocating to 0.8 m/s : -40 to +110 °C Material Operating pressure Velocity Temperature Special Features: Anti-wear modified PU mixture Fast and safe operation even at low tempera- tures due to special profile design Simple snap assembly in closed groove pos- sible Significantly better anti extrusion behaviour compared to NBR Large gap between piston and seal housing is possible compared to the material nitrile Small assembly space Cost effective variant Extensive range of available sizes.