AGMA Grid Coupling AGMA Gear Coupling Pin Bush Coupling Gear Coupling Tyre Type Coupling Jaw Coupling
 
 
Fearutes :

Pin bush Type Flexible Coupling absorbs shock loads and slight misalignments and can transfer heavy torque at higher speeds. It consists of two half parts, one is heavy holds the Rubber bushes, another one light holds the high tensile steel pins. The number of pins depends on the power to be transmitted. Range of power can be transmitted from 1HP to 337HP at 100 RPM and sizes from Bt1 to Bt11

   
Details for Selection
HP to be Transmitted.
Type of Load
Speed.
Shaft Dia of drive and driven
   
Material
IS 210 (grade 20) Cast iron
*As per IS 2693 - 1989
 
Table : 1 Selection Factor
Type of Driven Machine Prime Mover
Electric Motor Diesel Engine
Single Cylinder
Diesel Engine
Multi Cylinder
Generators, Blowers, Centrifugal Pumps, Compressors, Bottling and Canning machinery and Line Shafting.
1.0 2.5 2.0
Rotary drivers, Screens, Planers, Rotary Compressors, Grinders, Mine Fans.
1.5 3.0 2.75
Cement Mills, Wire Mills, Printing Press.
1.75 3.25 3.0
Light Rolling Mills, Shearing Machines, Stone Crushers, Large Printing Presses, Pulverisors, Cranes and Winches, Dredgers, Shovels, Ball and Tube Mills.
2.00 3.50 3.25
Traction and Haulage loads, Heavy Rolling Mill drive.
2.25 3.75 3.50
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Table : 2
SIZE No. of pins Torque in NM Max RPM HP/100 RPM Max Bore Min Bore D S L G D2
  Bt1 3 75 6000 1.0 26 10 95 79 37.5 4 41
  Bt2 4 300 5000 4.0 28 10 114 99 47.5 4 43
  Bt2.1 6 500 4400 7.0 39 12 130 105 50.5 4 61
  Bt3 4 600

3600

8.8 45 12 160 114 54 6 69
  Bt4 4 800 3000 11.8 59 16 191 125 59.5 6 91
  Bt4.1 6 1200 3000 17.6 59 16 191 125 59.5 6 91
  Bt5 6 1620 2600 23.6 69 20 225 157 76.5 6 106
  Bt6 8 2300 2340 33.5 85 40 254 183 88.5 6 136
  Bt6.1 10 2900 2300 41.15 85 40 254 183 88.5 6 136
  Bt6.2 12 3000 2300 50 85 40 254 183 88.5 6 136
  Bt7 12 4000 1950 59 102 55 290 235 114.5 6 171
  Bt7.1 14 5100 1900 73 108 55 300 235 114.5 6 181
  Bt8 16 5800 1850 82 118 60 310 255 124.5 6 196
  Bt8.1 18 7200 1650 103 120 60 340 265 129.5 6 201
  Bt8.2 12 8700 1590 123 127 65 360 276 134.5 7 211
  Bt9 13 9900 1470 140 136 70 390 316 154.5 7 226
  Bt9.1 15 12200 1400 188 145 80 410 336 164.5 7 241
  Bt10 16 14400 1300 204 154 90 440 366 179.5 7 256
  Bt10.1 17 18000 1200 256 163 100 480 386 189.5 7 271
  Bt11 20 23600 1080 337 172 110 530 406 199.5 7 286
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Table : 3 in H.P.
Speed in rpm Coupling Size
Bt 1 Bt 2 Bt 2.1 Bt 3 Bt 4 Bt 4.1 Bt 5 Bt 6 Bt 6.1 Bt 6.2
100 1.09 4.36 7.24 8.7 11.6 1.4 23.3 33.1 41.1 49.6
720 7.8 31.3 52 62.7 83.8 125 168 238 296 357
960 10.4 41.8 69.4 83.6 112 167 224 317 395 475
1440 15.6 62.7 104 125 167 251 336 476 592 714
2880 31 125 208 250 336 501 - - -  
 
Speed in rpm Coupling Size
Bt 7 Bt 7.1 Bt 8 Bt 8.1 Bt 8.2 Bt 9 Bt 9.1 Bt 10 Bt 10.1 Bt 11
100 58 72.9 81.6 102 122 139 186 202 253 333
720 420 525 587 734 881 1003 1341 1456 1823 2402
960 559 699 783 979 1175 1337 1787 1943 2430 3202
1440 839 1049 1175 1468 1763 - - - - -
2880   - - - - - - - - -
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