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Guiding ring PP

Guide ring PP (material: polyacetal POM)

Conditions of use​​

PP ring material Compressive stress at 1% strain σ1% acc. to PN-EN ISO 604:2006 [MPa] Coefficient of friction on hardened and ground steel (dry) Designation (color of PP ring)
POM 85 0.3 white
POM S 100 0.3 green
BK-P min 140 0.3 black

Ordering example​​​​​

PP Ring 200×195×30 BK-P
Piston version (D × d × W₁)
PP Ring 63×68×10
Rod version (d × D × W₁)
Hydraulic medium:
  • mineral oils
  • oil-water emulsions class HFA and HFB (e.g., Emulkop-EKO, Solcenic 2020, Isosynth, Inwex)
  • low-freezing fluids (e.g., Polikon Test, Solcenic 801E)

Comments​

  1. When ordering rings made of materials other than POM, in addition to the dimensional designation, the ring material symbol must be provided according to the symbols in 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
(range of diameters)		 Outside diameter
(range of diameters)		 Ring width Groove width Ring thickness
d D W1Ring width range Typical ring widths M GRing thickness range Typical ring thicknesses
25 ÷ 40 25 ÷ 40 5 ÷ 10 5; 7.5; 10 W1+0.7 2.5 ÷ 3.1 2.5; 3.1
40 ÷ 80 40 ÷ 80 5 ÷ 25 5; 7.5; 10; 12.5; 15; 20; 25 2.5 ÷ 5 2.5; 3.1; 3.75; 5
80 ÷ 155 80 ÷ 155 5 ÷ 30 5; 7.5; 10; 12.5; 15; 20; 25; 30 2.5 ÷ 5 2.5; 3.1; 3.75; 5
155 ÷ 405 155 ÷ 410 10 ÷ 30 10; 12.5; 15; 20; 25; 30 2.5 ÷ 5 2.5; 3.1; 3.75; 5