Mill Torque Overload Couplings

Mill Tourque Overload Couplings

 

The shear pin cartridge coupling is a Series H Mill type coupling. It is designed to disconnect the driving and driven equipment during torque overload. The purpose of the design is to prevent damage to the equipment- motor, gearbox, pump, etc. from torque overload. FAST’S® Mill Shear pin couplings are used to limit the peak torque to a predetermined safe value. This value is greater than the normal starting torque of the system.

 

Features & Benefits:

  • Increased coupling reliability.
  • Minimized downtime by enabling quick start-up after shear pin breakage.
  • Minimized premature shear pin breakage.
  • Decreased coupling rebuilding cost after shear pin breakage.

 

Additional Data

Series H specifications:

 

Coupling Size  Maximum Bore with Standard Key  Rating HP/100 rpm  Torque Rating(lb.-in.x 1000)  Peak Torque Rating(la.-in.x 1000)   Maximum Speed( rpm)  Weight with Solid Hubs(lb.) Dimension A  Dimension B   Dimension C Dimension C I  Dimension C W Dimension E   Dimension O
 8  10 3/4  2230  1404  2808  1750  1430  23 1/4  19 1/2  3/8  5 9/16  10 3/4  19 13/14  14
 9  11 3/4  3170  1995  3990  1625  2000  26  21 3/4  1/2  6 1/4  12  10 7/8  15 1/2
 10  13  4350  2744  5488  1500  2670  28  24  1/2  7 1/8  13 1/8  12  17 1/2
 11  15  5780  3645  7290  1375  3520  30 1/2  26 1/4  1/2  7 7/8  15 1/4  13 1/8  19 1/2
 12  16 1/4  7190  4532  9064  1250  4450  33  27 3/4  1/2  8 1/8  15 3/4  13 7/8  21 1/2
 13  17 1/2  9030  5688  11376  1125  5410  35 3/4  29 1/2  3/4  8 7/16  16 1/8  14 5/8  23
 14  18 3/4  11080  6982  13964  1000  6600  38  31 1/4  3/4  9  17 1/4  15 1/2  25
 15  20 3/4  13470  8488  16976  875  8040  40 1/2  33 1/8  3/4  9 7/16  18 1/8  16 1/2  27
 16  22  16100  10150  20300  750  9680  43  35  1  9 7/8  18 3/4  17 3/8  29
 18  25 1/4  21100  13300  26600  500  12500  47 1/4  36 1/8  1  10 1/4  19 1/2  18  33
 20  27 1/4  28800  18144  36288  400  17900  53 1/2  42 3/8  1  12 3/8  23 3/4  21 1/8  36 1/2
 22  30  38100  24009  48018  300  23300  59  46  1  13 3/4  26 1/2  23  40
 24  33 1/4  42400  26699  53398  200  30300  64 1/4  49 1/2  1  15  29  24 3/4  44 1/2
 26  36 3/4  53000  33415  66830  200  37700  68 1/2  53  1  15 5/8  30 1/4  26 1/2  48 1/2
 28  40  65900  41564  83128  200  45200  73 3/4  54 1/4  1  15 7/8  30 3/4  27 1/8  52 1/2
 30  43 1/2  80300  50614  101228  200  52700  78  55 1/4  1  15 7/8  30 3/4  27 5/8  56 1/2

 


Fast's specifications:


Coupling Size  Maximum Bore with Standard Key  Rating HP/100 rpm  Torque Rating(lb.-in.x 1000)  Peak Torque Rating(la.-in.x 1000)   Maximum Speed( rpm)  Weight with Solid Hubs(lb.) Dimension A  Dimension B   Dimension C Dimension E

Dimension

O

 8  8 3/4  2230
 1404  2808  1750  1408  23 1/4  20  3/8  19 13/14  11 7/8
 9  9 3/4  3170  1995  3990  1625  1898  26  22 1/4  1/2  10 7/8  13 3/8
 10  11  4350  2744  5488  1500  2548  28  24  1/2  1/2  12  15 1/4
 11  12  5780  3645  7290  1375  3342  30 1/2  26 3/4  1/2  13 1/8  16 7/8
 12  13  7190  4532  9064  1250  4194  33  28 1/4  1/2  13 7/8  18 1/2
 13  14 1/4  9030  5688  11376  1125  5112  35 3/4  30  3/4  14 5/8  20
 14  15 1/4  11080  6982  13964  1000  6100  38  31 3/4  3/4  15 1/2  21 3/4
 15  17  13470  8488  16976  875  7650  40 1/2  33 3/4  3/4  16 1/2  23 1/2
 16  18  16100  10150  20300  750  8965  43  35 3/4  1  17 3/8  25
 18  20 1/2  21100  13300  26600  500  11770  47 1/4  37  1  18  28 1/4
 20  23  28800  18144  36288  400  16910  53 1/2  43 1/4  1  21 1/8  31 7/8
 22  26  38100  24009  48018  300  22370  59  47  1  23  35 1/4
 24  28  42400  26699  53398  200  28830  64 1/4  50 1/2  1  24 3/4  38 3/4
 26  30  53000  33415  66830  200  35890  68 1/2  54  1  26 1/2  42 1/4
 28  33  65900  41564  83128  200  42660  73 3/4  55 1/4  1  27 1/8  45 3/4
 30  36  80300  50614  101228  200  49780  78  56 1/4  1  27 5/8  49 1/4

 

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