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K85

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  • Static Sealing Elements
  • K85
K85 - Static Seal
  • General Features
  • Technicial Specifications
   KASTAŞ NO D(H8) d(h9) B(-0/+0.2)
 K85-018 18 14 5,8
 K85-022 22 19,1 3,5
 K85-025 25 22,1 3,5
 K85-030 30 25,5 4,5
 K85-035 35 30,5 4,5
 K85-040 40 35,2 5,4
 K85-044 44 39,5 4,5
 K85-050 50 45,4 5,4
 K85-050/1 50 44,6 6,2
 K85-054 54 49,5 4,5
 K85-058 58 53,4 3,9
 K85-068 68 63,5 4,5
 K85-070 70 64,6 6,2
 K85-075 75 69,6 6,2
 K85-085 85 81,5 4,5
 K85-086 86 81,5 4,5
 K85-100 100 94,4 5,3
 K85-200 200 191,6 8,5

K85 is a double acting cover seal specially designed for staticapplications.

PRODUCT ADVANTAGES
• High operating pressures
• Interchangeable for o-ring and o-ring with back-up ring
• Easy and secure installation
• No need for additional back-up ring
• High wear resistant

APPLICATION
All the hydraulic applications that o-rings are being used.

MATERIAL CODE
PU 94 SHORE A PU9401
OPERATING CONDITIONS
MEDIA Mineral oils (DIN 51524)  HFA ve HFB HFC
TEMPERATURE -30°C +100°C +5°C +50°C -30°C +40°C
PRESSURE ≤500 Bar ≤500 Bar ≤500 Bar
Note: The above data are maximum values and cannot be used at the same time.

    

SURFACE ROUGHNESS Ra Rmax
Sliding Surface   ØD ≤0.8 µm ≤3.2 μm
Groove Base   Ød ≤1.6 µm ≤6.3 µm
Groove Flanks  B ≤6.3 µm ≤16 µm

INSTALLATION
Easily assembled by hand. 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
K85 is a double acting cover seal for outer sealing. The diffculties faced during an o-ring assembly such as twisting , ripping was solved with this design. It can be used without a back-up ring at high pressures. Due to the material , K85 does have good wear resistance to extrusion and shows good sealing performance in double acting applications.

 
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