1．Name:SPGW
Categories: Piston Seals->SPGWPressure(MPa):40Temperature (C): -30/+135 Speed(m/s):1.5
2．Standard Materials
Seal ring: filled PTFEElastomer: NBR, FKMBack-up ring: POM
3．Application Range
For reciprocated hydraulic systems. Possesing excellent performance if applied at heavy load and double sealing under high pressure working conditions. Particularly suitable for long stroke, large range of fuilds and high temperature. Applicable for bigger piston gap. Excellent leakage control, extrusion resistance and wear resistance. Mainly applied to heavy load and engineering machinery, for example: bulldozers, heavy duty hydraulic cylinders.Design and apply please refering to Trelleborg’s PHD, NOK’s SPGW, Parker’s Y3 and AS’s KHD series standards.
4．Characteristics
1- simple groove structure2- stick-slip free starting, stable performance 3- high static and dynamic sealing effect4- low static and dynamic friction and wear5- allow large extrusion gap6- be able to work in dusty condition7- long service life
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