GUARNIZIONE GUM D.40X56X10

Description

Seals for GUM single-lip NBR effect: the range's GUM is characterized by a symmetrical lip profile used for both stem seal and piston hydraulic cylinders and tires. The material that constitutes them is NBR 90 Shore A, they have a sharp-edged lip. In some cases the seals are mounted with the insertion of a stop ring, which prevents them from moving axially into the seat. The stop ring should not press the seal in its seat, but should allow a play of 0.5 1 mm.In the ring, also, A series of holes must be drilled in order to distribute the pressure fluid equally over the two seals.