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K705

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  • Kastaş
  • Hydraulic Sealing Elements
  • Wipers
  • K705
Wiper
Wiper
   KASTAŞ NO d(f8) D(H9) D1(-0/+0.2) B(-0/+0.2) B1 r n
 K705-040 40 48.8 41.5 6.3 10.3 1.2 3
 K705-045 45 53.8 46.5 6.3 10.3 1.2 3
 K705-050 50 58.8 51.5 6.3 10.3 1.2 3
 K705-055 55 63.8 56.5 6.3 10.3 1.2 4
 K705-056 56 64.8 57.5 6.3 10.3 1.2 4
 K705-060 60 68.8 61.5 6.3 10.3 1.2 4
 K705-063 63 71.8 64.5 6.3 10.3 1.2 4
 K705-065 65 73.8 66.5 6.3 10.3 1.2 4
 K705-070 70 82.2 72 8.1 12.1 2 4
 K705-075 75 87.2 77 8.1 12.1 2 4
 K705-080 80 92.2 82 8.1 12.1 2 4
 K705-085 85 97.2 87 8.1 12.1 2 4
 K705-090 90 102.2 92 8.1 12.1 2 4
 K705-100 100 112.2 102 8.1 12.1 2 4
 K705-105 105 117.2 107 8.1 12.1 2 4
 K705-110 110 122.2 112 8.1 12.1 2 4
 K705-115 115 127.2 117 8.1 12.1 2 4
 K705-120 120 132.1 122 8.1 12.1 2 4
 K705-125 125 137.2 127 8.1 12.1 2 6
 K705-130 130 142.2 132 8.1 12.1 2 6
 K705-135 135 147.2 137 8.1 12.1 2 6
 K705-140 140 156 142 11.5 15.5 2 6
 K705-150 150 166 152 11.5 15.5 2 6
 K705-155 155 171 157 11.5 15.5 2 6
 K705-160 160 176 162 11.5 15.5 2 6
 K705-170 170 186 172 11.5 15.5 2 6
 K705-180 180 196 182 11.5 15.5 2 6
 K705-190 190 206 192 11.5 15.5 2 6
 K705-200 200 216 202 11.5 15.5 2 6
 K705-220 220 236 222 11.5 15.5 2 6
 K705-230 230 246 232 11,5 15,5 2 8
 K705-240 240 256 242 11.5 15.5 2 8
 K705-250 250 266 252 11.5 15.5 2 8
 K705-265/1 265 281 267 11,5 15,5 2 8
 K705-290 290 306 292 11.5 15.5 2 8
 K705-300 300 316 302 11.5 15.5 2 8
 K705-310 310 326 312 11,5 15,5 2 8
 K705-320 320 336 322 11,5 15,5 2 8
 K705-330 330 346 332 11.5 15.5 2 8
 K705-370 370 386 372 11.5 15.5 2 8
 K705-380 380 396 382 11.5 15.5 2 8
 K705-570 570 594 572.5 15.5 19.5 2 8

K705 is a three piece single acting wiper which consists of one special mixture PTFE profile ring and two o-rings as energizers. K705 ensures that foreign particles are not introduced into the hydraulic systems , avoiding wear and damage to all the internal components including seals.

PRODUCT ADVANTAGES
•Low friction
•Free of stick-slip
•High sliding speed
•Wide range of temperature and chemicals depending on the elastomer material

APPLICATION
•Mobile hydraulics , aluminium injection machines and industrial machinery , control and regulation equipment
MATERIAL   CODE
PTFE   PT6003
NBR 70 SHORE A  NB7001
OPERATING CONDITIONS
MEDIA Mineral oils (DIN 51524) 
TEMPERATURE -30°C +105°C
SPEED ≤5.0 m/sn

Note: The above data are maximum values and cannot be used at the same time. For HFA HFB HFC used applications , special filled PTFE materials are recommended. Resistance in low temperature and high temperature applications can be improved by alternate elastomer compounds.

    

SURFACE ROUGHNESS Ra Rmax
Sliding Surface Ød ≤0.2 μm ≤2.0μm
Groove Base ØD ≤1.6μm ≤6.3μm
Groove Flanks B ≤3.2μm ≤16 μm
Note: It is recommended to have 50% to 90% of the working surface material contact area value.
 

INSTALLATION
We recommend using special assembly tool (See section; Hydraulic Sealing Elements General Installation Information). 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
K705 wipers have to be used with K35 or K704 rod seals to prevent hydrodynamic pressure build up. If that is not possible some precautions have to be taken to prevent hydrodynamic pressure between wiper and seal (see section: Hydraulic Sealing Elements- Sample Designs). At high temperature working conditions FKM energizing O-ring and special mixture PTFE ring are able to be manufactured according to customer's request.

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