FAST'S® Gear Couplings

Fasts Gear Couplings

 

 

The all-metal end ring, used exclusively in FAST'S® couplings, eliminates the need for any type of perishable lube seal. The end ring not only provides an escape route for lubricant, but it also pilots the sleeve during start-up and shut-down operations. It further eliminates partial tooth disengagement with resulting tooth overloads by providing sleeve teeth. The sleeve teeth are flush against the inside wall of the end ring.

It is the only coupling designed to use oil lubrication. To be sure that your couplings provide Maximum Life, always specify FAST'S couplings, with the all-metal end ring.

 

Specifications:

 

  • Exposed bolt and shrouded bolt configurations.
  • Largest lubricant reservoir, up to a 3 to 1 larger lubricant reservoir than other couplings.
  • Metallic end ring lubricant seal - labyrinth seal.
  • End ring not only provides a dam, but also pilots the sleeve.
  • Size range of all-metal end ring: 1.5-30.
  • Maximum bore range of all-metal end ring: 0.50"-36" diameter.
  • Oil or grease lubricant (exclusive design).
  • No clearance between sleeve teeth and end ring seal.
  • Straight faced involute teeth.
  • Highly engineered coupling - "the industry standard".
  • Close fitting, tight tolerance flange bolts, and bolt holes.
  • Misalignment capability up to ½◦.
  • Interchangeable half for half with Series H, WALDRON® coupling and other competitive couplings.

 

Features & Benefits:

 

  • Lubrication less frequently required.
  • Minimized downtime due to failure to lubricate.
  • No soft seals to fail or replace.
  • Lubricant level maintained above the gear teeth.
  • Less wear or rusted teeth.
  • Fewer hubs to be pulled and replaced.
  • Fewer shafts to be galled by hub removal.
  • Competitively priced.
  • Available in distributor and warehouse stocks worldwide.
  • Lubrication dictated by and tailored to application.
  • Less concentration of tooth loading.
  • Less premature tooth wear.

 

Fasts Gear Couplings
Fasts Gear Couplings

 

Additional Data

 

Coupling Size  Maximum Bore with Standard Keyway  Maximum Bore with Reduced Depth Keyway  Reduced Depth Keyway  Rating HP/ 100 RPM Torque Rating(lb. -in.) Peak Torque Rating(lb. -in.)  Maximum Speed (RPM) Weight with Solid Hubs(lb.)
 1 1/2  1  5/8  1 3/4  3/8 x 1/8  27  17000  34000  12000  16.5
 2  2 1/8  2 1/4  1/2 x 3/16  50  31500  63000  9300  27.4
 2 1/2  2 3/4  3  3/4 x 3/16  90  56700  113400  7900  48.0
 3  3 1/4  3 3/8  7/8 x 1/4  160  101000  202000  6800  70.8
 3 1/2  3 3/4  4  1 x 5/16  235  148000  296000  6000  113
 4  4 1/4  4 1/2  1 x 3/8  375  236000  472000  5260  177
 4 1/2  4 3/4  5 1/8  1 1/4 x 7/16  505  318000  636000  4770  231
 5  5 1/2  5 7/8  1 1/2 x 7/16  700  441000  882000  4300  351
 5 1/2  5 7/8  6 3/8  1 1/2 x 1/2  920  580000  1160000  3880  435
 6  6 1/2  7  1 3/4 x 1/2  1205  759000  1518000  3600  538
 7  8  8 1/2  2 x 1/2  1840  1160000  2320000  3000  860

 

 

Coupling Size   Maximum Bore with Standard Key  Rating HP/ 100 RPM  Torque Rating(lb. -in. x 1000) Peak Torque Rating(lb. -in. x 1000)
Maximum Speed (RPM)  Weight with Solid Hubs(lb.)
 8  8 3/4  2230  1404  2808  1750  1408
 9  9 3/4  3170  1995  3990  1625  1898
 10  11  4350  2744  5488  1500  2548
 11  12  5780  3645  7290  1375  3342
 12  13  7190  4532  9064  1250  4194
 13  14 1/4  9030  5688  11376  1125  5112
 14  15 1/2  11080  6982  13964  1000  6100
 15  17  13470  8488  16976  875  7650
 16  18  16100  10150  20300  750  8965
 18  20 1/2  21100  13300  26600  500  11770
 20  23  28800  18144  36288  400  16910
 22  26  38100  24009  48018  300  22370
 24  28  42400  26699  53398  200  28830
 26  30  53000  33415  66830  200  35890
 28  33  65900  41564  83128  200  42660
 30  36  80300  50614  101228  200  49780

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