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Coupling

Cast Iron Flexible Coupling

D  A A1 B C N1 N2 F G PCD HOLE PN & BUSH
(INCH) (METRIC) (METRIC) (METRIC) (METRIC) (METRIC) (METRIC) (METRIC) (METRIC) (METRIC) (METRIC)    
3" 76 3 28 14 3 17 8 34   55.0 3 132
4" 101.6 5 41.5 16 4 23 11 40 11 68.7 4 132
4 - 1/2" 114.3 5 44 17 5 23 11 49 13 77.0 4 132
5 - 1/2" 140 7 49 18 6 31 15 62 13 95.5 4 124
6 - 5/16" 160 5 56 19 7 31 15 81 15 116.0 6 124
7" 180 8 58 22 7 31 15 92 15 130.5 6 124
8" 204 11 67 29 8 41 21 102 20 147.0 6 118
9 - 1/4" 229 13 80 30 6 45 21 123 25 170.0 8 120
10" 254 12 90 33 7 45 21 138 29 187.5 8 120
12" 310 11 100 40 8 45 21 160 34 237.5 10 120
12" 310 11 100 40 8 45 21 160 34 237.5 10 120
15" 381 13 121 51 14 56 26 205 68 297.5 10 144
16 - 1/2" 419 13 133 51 15 56 26 250 76 331.0 10 144
16" 457 13 166 51 15 56 26 275 90 359.0 10 144

 

UNI-Chain Coupling

UNI-Chain Coupling Rating Table (KW)

Coupling Size Bore Diameter E L D S H Weights (kgs)
Complete Set		 Casing Dimension Weight (kgs)
Casing Only
Min Max A B
UNI04012 11 22 75 36 35 7.4 58 0.80 75 75 0.30
UNI04014 15 28 75 36 43 7.4 58 0.90 84 75 0.40
UNI04016 15   75 40 50 7.4 58 1.40 92 75 0.40
UNI05014 16   85 45 53 9.7 68 2.50 101 85 0.50
UNI05016 18 40 85 45 60 9.7 68 2.60 111 85 0.60
UNI05018 18 45 85 45 70 9.7 68 3.50 122 85 0.70
UNI06018 22 55 106 56 85 11.5 84 6.20 142 106 1.00
UNI006022 28 71 106 56 110 11.5 84 9.80 167 106 1.20
UNI08018 32 80 130 63 115 15.2 84 13.90 186 130 2.30
UNI08022 40 100 130 71 140 15.2 84 20.20 220 130 2.40
UNI10020 45 110 148 80 160 18.2 126 38.50 250 148 4.20
UNI12018 50 125 181 100 170 22.7 159 51.00 307 181 5.30
UNI12022 56 140 181 100 210 22.7 159 66.00 357 181 8.10

Max allowable angular misalignment is 1°

Coupling Size Max Allowable Trans. Torque below 50 Revolution Speed per minute (rpm)
1 5 10 25 50 100 200 300 400 500 600 800 1000 1200 1500 1800 2000 2500 3000 3600 4000 4800
UNI04012 22.2 0.02 0.11 0.22 0.58 1.15 1.73 2.63 3.46 4.15 4.96 5.67 7.01 8.53 9.68 11.6 13.7 14.8 17.9 20.7 24.1 26.3 30.8
UNI04014 30.2 0.03 0.16 0.32 0.79 1.58 2.36 3.59 4.72 5.66 6.77 7.72 9.56 11.64 13.21 15.8 18.7 20.2 24.4 28.3 32.9 35.9 42.1
UNI04016 29.4 0.04 0.21 0.41 1.03 2.06 3.09 4.68 6.17 7.41 8.55 10.1 12.5 15.3 17.3 21.0 24.4 26.3 31.9 37.0 43.0 46.9 54.9
UNI05014 57.4 0.06 0.30 0.60 1.50 3.00 4.48 6.80 8.95 10.7 12.8 14.7 18.1 22.1 25.1 30.0 35.4 38.3 46.2 53.6 62.4    
UNI05016 75.0 0.08 0.39 0.78 1.95 3.91 5.86 8.92 11.7 14.1 16.8 19.2 13.8 28.9 32.9 39.9 46.4 50.0 60.6 70.4 81.6    
UNI05018 95.0 0.10 0.50 0.99 2.48 4.95 7.43 11.3 14.9 17.8 21.3 24.4 30.1 36.6 41.6 50.5 58.8 63.4 76.8 89.2      
UNI06018 179 0.18 0.93 1.87 4.67 9.33 14.0 21.3 28.0 33.6 40.1 45.9 56.8 69.1 78.4 95.2 111 120 145        
UNI006022 242 0.25 1.25 2.51 6.31 12.5 18.8 28.6 37.7 45.3 54.1 61.9 76.5 93.1 105 128 149 161 195        
UNI08018 396 0.41 2.07 4.14 10.3 20.7 31.0 47.2 62.1 74.5 89.0 101 126 153 174 211 246 265          
UNI08022 570 0.59 2.96 5.93 14.8 29.6 44.5 67.2 89.0 106 127 146 180 219 249 302 352 379          
UNI10020 896 0.93 4.66 9.33 23.3 46.6 70.0 103 140 168 200 229 283 345 392 476 554            
UNI12018 1350 1.40 7.02 14.0 35.1 70.2 105 160 210 252 302 345 426 519 590 716              
UNI12022 1750 1.81 9.07 18.1 45.3 90.7 136 206 272 326 390 446 551 671 762