TYS Excavator Pistion Seal PTFE Filled SPG Seal
SPG is standard compact double-acting seal for wide application.
It consists of a bronze-filled PTFE face ring preloaded by a square-section NBR ring. The cover ring is precision machined from a compression molded blank. Compression molding of this material provides consistently superior physical properties compared to automated molded products. The machined face ring has a chamfer for easy installation and the surface finish is not affected by the “orange peel” effect of the molded product. Since only the PTFE face ring is in contact with the sliding surface, the friction is very low and the stick-slip motion is eliminated. The width of the housing allows the designer to use a narrow width piston, but it is recommended to install enough bearings on either side of the seal.
Working condition:
Max speed:1.5m/ s
Max pressure:40MPa
Temperature range:-30~100℃
MAT: Filled PTFE+NBR
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