Produced with a combination of special compound PTFE ring and 70 shore NBR Square-ring, our SPG design has a wide application area. Being able to be usded safely at high linear velocity, SPG type seals can also work in higher temperatures or different liquids by means of changing square-ring used as pressure ring. Technical Data Pressure: 400 Bar Temperature: with NBR Square-ring: -35 to +105 with FKM Square-ring: -35 to +200 Speed: 5m/s Media: Hydraulic oils (mineral oil-based) Material Material: PTFE with Bronze Squate-ring: NBR/FKM Color: Green/Brown Square-ring: Black/Brown Advantages High static and dynamic sealing effect Low friction, high efficiency Stick-slip free starting, no sticking Easy installation