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K501

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  • Hydraulic Piston Sealing Elements
  • K501
Piston Seal
Piston Seal
   KAŞTAŞ NO D(H9) d(h9) B(-0/+0.2) r n
 K501-050 50 39 4.2 1 6
 K501-060 60 44.5 6.3 1.3 8
 K501-063 63 47,5 6,3 1,3 8
 K501-075 75 54 8,1 1,8 10,5
 K501-080 80 64,5 6,3 1,3 6
 K501-085 85 69,5 6,3 1,3 6
 K501-090 90 74,5 6,3 1,3 6
 K501-090/1 90 69 8.1 1.8 10.5
 K501-095 95 74 8,1 1,8 10,5
 K501-100 100 84,5 6,3 1,3 6
 K501-100/1 100 79 8.1 1.8 10.5
 K501-105 105 84 8,1 1,8 10,5
 K501-105/1 105 89,5 6,3 1,3 6
 K501-110 110 94,5 6,3 1,3 6
 K501-115 115 94 8,1 1,8 10,5
 K501-120 120 99 8,1 1,8 10,5
 K501-125 125 104 8,1 1,8 10,5
 K501-125/1 125 110 6,3 1,3 10,5
 K501-130 130 109 8,1 1,8 10,5
 K501-135 135 114 8,1 1,8 10,5
 K501-140 140 119 8,1 1,8 10,5
 K501-145 145 124 8,1 1,8 10,5
 K501-150 150 129 8,1 1,8 10,5
 K501-160 160 139 8,1 1,8 10,5
 K501-165 165 144 8,1 1,8 10,5
 K501-170 170 149 8,1 1,8 10,5
 K501-175 175 154 8,1 1,8 10,5
 K501-180 180 159 8,1 1,8 10,5
 K501-185 185 164 8,1 1,8 10,5
 K501-190 190 169 8,1 1,8 10,5
 K501-200 200 179 8,1 1,8 10,5
 K501-210 210 189 8,1 1,8 10,5
 K501-215 215 194 8,1 1,8 10,5
 K501-220 220 199 8,1 1,8 10,5
 K501-225 225 204 8,1 1,8 10,5
 K501-230 230 209 8,1 1,8 10,5
 K501-250 250 229 8,1 1,8 10,5

K501 is a two piece double acting piston seal consisting of a thermoplastic sealing element and one energizer elastomer ring.

ADVANTAGES
• Excellent sealing performance under static and dynamic applications
• Simple groove design
• Easy fit without installation tool
• Superior sealing performance at high and variable pressure levels
• Longer service life due to high abrasion resistance
• Excellent sealing at high surface roughness
• Outstanding resistance to pressure shocks

APPLICATION
Heavy duty cylinders and construction machinery.

MATERIAL CODE
NBR 70 SHORE A NB7001
PA   PA9904
OPERATING CONDITIONS
MEDIA Mineral oils (DIN 51524)  HFA and HFB HFC
TEMPERATURE -30°C and +105°C +5°C and +60°C -30°C and +60°C
PRESSURE ≤500 Bar ≤500 Bar ≤500 Bar
SPEED ≤1 m/sec ≤1 m/sec ≤1 m/sec
Note: The above data are maximum values and cannot be used at the same time.

    

 
SURFACE ROUGHNESS Ra Rmax
Sliding Surface  Ød ≤0.4 μm ≤4.0μm
Groove Base ØD ≤1.6 μm ≤6.3μm
Groove Flanks S1 ≤3.2 μm ≤16 μm
 Note: It is recommended to have 50% to 90% of the working surface material contact area value.

INSTALLATION
Easy installation into one-piece piston head. Sealing elements must be pre-lubed with system oil before installation.

NOTES
It is recommended to use with minimum two piston guide rings in long-stroke cylinders , minimum one guide ring in short stroke and under low radial loads.

PERMISSIBLE SEALING GAP
B (mm) Smax ( mm )
4.2 0.35
6.3 0.50
8 0.60
Note:All the above mentioned “S” values are maximum and it’s vital to use lower values for system security.
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