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Profile : Piston Seals


Spareage : P78
P78 Assembly
 
Details :
P78 compact seal specifically designed for one piece piston. It comprises elastomer sealing ring supported by two split anti extrusion backup rings and two bearing rings. The elastomeric sealing ring designed to have its section compressed by the housing, to ensure a low pressure seal, and when pressurised be protected from extrusion by the extendinglips of support rings. "L" shape bearing rings provide guidance for the piston in cylinder bore.
MATERIAL
Sealing Ring : Nitrile Rubber 75/80 Shore A
Back-up rings : Polyurethane
Bearing rings : POM / Nylon
OPERATING CONDITIONS
Temperature Range : -30° C to + 100° C
Pressure : 400 Bar
Speed : 0.5 m/s
SURFACE ROUGHNESS
Static : 1.6 µmRa
Dynamic : 0.4 µmRa
COMPATIBILITY
Mineral oils, water base fluids, fire resistant fluids and compressed air.
APPLICATION
  • Light to medium duty cylinders.
  • Static load holding (boom lifting to hold hydraulic platforms).
  • Compact cylinders, Machine Tools.
FEATURES
  • High static and dynamic sealing application.
  • Low friction.
  • Compact design.

Manufactured by: Max Spare Limited
Product ID: 318i
 





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