PH522 is a five piece double acting compact seal which consists of one elastomeric nitrite rubber sealing element, two polyester elastomer back-up rings on both sides to prevent extrusion into the sealing gap and two special profiled guide rings produced from thermoplastic to absorb transverse forces.
  • Superior sealing performance
  • Economic sealing and guiding solution
  • Simple groove design , one-piece piston possible
  • No need for extra guide rings with compact design
  • Simple snap-fit installation

Standard cylinders

  • Diameter:
    28.57 mm to 203.2 mm
  • Temperature:
    -30 ° C to 105 ° C
  • Pressure limit:
    400 bar
  • Speed limit:
    0.5 m/s

Press the link below and download the technical specification for PH522(K503).

Material specification: PH522(K503)

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Name Material Inner Outer Height
SKU Name Material ID(∅d) OD(∅Db) GW(B) Price Availability