K 23 is a single acting piston seal designed to have outer lip shorter than the inner lip in order to be used for piston applications

PRODUCT ADVANTAGES

  • Superior static and dynamic sealing effect

  • Wide range of dimensions

  • Easy assembly into closed grooves

  • Simple groove design

  • Economical sealing solution

APPLICATION

Construction machinery, fork-lift trucks, injection moulding machines, agricultural machinery, loading platforms and standard cylinders.

INSTALLATION

Easily assembled into closed grooves according to the minimum diameter values that are given in the below table. Open grooves or special assembly tools should be used for the values that are outside this table. It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the sealing element must be oiled with system oil.

NOTES

It is recommended to have 50% to 90% of the working surface material contact area value.

MaterialCode
PU 92 SHORE APU9201
Surface roughnessRaRmax
Sliding Surface Ød≤0.4 μm≤3.2 μm
Groove Base ØD≤1.6 μm≤10 μm
Groove Flanks≤3.2 μm≤16 μm

Minimum Diameter values for closed type of grooves

(D-d)/2 (mm)4567.71012.515
d min (mm)2530405080100105

OPERATING CONTITIONS

MediaMineral oils (DIN 51524)HFA HFBHFC
Temperature-30 °C
+100 °C		+5 °C
+50 °C		-30 °C
+40 °C
Pressure≤400 bar≤400 bar≤400 bar
Speed≤0.5 m/sec≤0.5 m/sec≤0.5 m/sec

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