The excavator SPG seal consists of an anti-wear filled PTFE ring and a rectangular rubber seal. The rectangular ring provides a pre-tightening force that compensates for the wear of the PTFE square ring. Hydraulic system, reciprocating, two-way piston seal under high pressure and low pressure and high frequency conditions. This seal has a low frictional resistance and ensures high wear resistance. Since the single seal has a two-way sealing capability, the installation space is eliminated.
Low friction PTFE bronze with square ring is a low friction piston seal. PTFE + Bronze seal ring is energized by a rubber o-ring to provide a long lasting high speed.Low friction, non stick slip phenomenon.Good wear resistance.
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