Skf Economos India Pte. Ltd offers Hydraulic Double Acting Piston Static Seals. Skf Economos India Pte. Ltd supplies molded components. Hydraulic Double Acting Piston Static Seals is a space saving, compact piston seal, suitable for standard O-ring housings. Hydraulic Double Acting Piston Static Seals has an advantage of integrated active back rings which is used for high pressure. This static seal is design with interference fit on outside diameter which prevents twisting in dynamic applications. It is used in reciprocating, rotary, oscillate, screw and static purposes. This seal can be available in the model no. Of K20-R.