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Guiding ring PP (substitute 506)

  • PP guide ring (material: polyacetal POM)

Conditions of use​

PP ring material Yield strength σy % acc. to PN-EN ISO 604:2006 [MPa] Friction coefficient on hardened and ground steel (dry) Designation (PP ring color)
POM 85 0.3 white
POM S 100 0.3 green
BK-P min 140 0.3 black

Ordering example​​​​​​​

  • PP Ring 200 × 195 × 29.7 BK-P
    Piston version (D x d x W1)
  • PP Ring 63 × 68 × 9.7
    Rod version (d x D x W1)
Hydraulic Medium
  • mineral oils
  • oil-water emulsions HFA and HFB classes (e.g., Emulkop-EKO, Solsenic 2020, Isosynth, Inwex)
  • low-freezing fluids (e.g., Polikon Test, Solsenic 801E)

Comments

  1. When ordering rings made of materials other than POM, in addition to the dimensional designation, provide the ring material symbol according to the table above, e.g., PP Ring 190 × 200 × 30 BK-P.
  2. It is possible to manufacture sizes other than those specified in the standard range.
Inside diameter
(diameter range)		 Outside diameter
(diameter range)		 Ring width Groove width Ring thickness
d D Ws M G
Ring width range Typical ring widths Thickness range Typical thicknesses
25 ÷ 40 25 ÷ 40 5 ÷ 10 7.2; 9.7 Ws + 0.3 2.5 ÷ 3.1 2.5; 3.1
40 ÷ 80 40 ÷ 80 5 ÷ 25 7.2; 9.7; 14.7; 19.7; 24.7 2.5 ÷ 5 2.5; 3.1; 3.75; 5
80 ÷ 155 80 ÷ 155 5 ÷ 30 7.2; 9.7; 14.7; 19.7; 24.7; 29.7 2.5 ÷ 5 2.5; 3.1; 3.75; 5
155 ÷ 405 155 ÷ 410 10 ÷ 30 9.7; 14.7; 19.7; 24.7; 29.7 2.5 ÷ 5 2.5; 3.1; 3.75; 5