KD® Disc Coupling, Spacer Style KD20® with MT Disc Packs

  • Piloted Flange.
  • Standard disc couplings – no lubrication.
  • Theory of Operation: Transmits torque through thin scalloped flexible disc pack.
  • Available from shelf for immediate shipment.
  • Designed to meet API 610.
  • Close coupled and spacer style.
  • Custom-design available.
  • Wide variety of styles and sizes.

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Size   Max. Bores(in) Coupling Rating (HP/100 RPM)   Torque Rating  Maximum Speed (RPM) Total Weight(lbs)   Total WR2 (lb-in2)  Spacer Tube Weight per inch Axial Capacity(in) 
 Std & Long Hub  Jumbo Hub  Continuous(in-lb)  Peak(in-lb)  Weight(lbs)  WR2(lb-in2)
 204  3.25  4.62  57.1  36000  72000  13000  39.2  230  0.81  2.67  +/-110
 254  4.00  5.62  82.5  52000  104000  11200  61.2  510  0.79  4.36  +/-140
 304  4.75  6.5  141  89000  178000  9900 104  1190  1.17  8.06  +/-170
 354  5.50  7.62  238  150000  300000  8800  172  2630  1.96 17.0  +/-200
 404  6.25  8.75  340  215000  430000  7800  251  4920  2.21  24.3  +/-225
 454  7.25  9.38  405  255000  510000  7200  302  7200  2.54  37.0  +/-250
 504  7.50  –  570  360000  720000  6600  427  11600  3.67  62.6  +/-275
 554  8.25  –  800  505000  1010000  6100  569  18200  3.89  74.7  +/-300
 604  9.00  – 1050  660000  1320000  5600  777  29500  5.21  115  +/-320
 705  10.88  –  2400  1510000  3020000  4500  1360  77500  9.40  303  +/-270
 805  12.25  –  3670  2310000  4620000  4000  2060  150000  12.6  507  +/-310
 905  13.50  –  4130  2600000  5200000  3600  2490  227000  11.7  662  +/-400

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