Features
Witton Kramer MEWK Brakes have their torque spring(s) protected from the environment in an enclosed steel tube, which is fitted with a torque indicator, the MEWK brakes can also be fitted with a manual release lever.
They operate with special versions of the Witton Kramer HD thrustor which are interchangeable with other European thrustors if required – these can be fitted without modifying the brake.
The MEWK Brakes can also be fitted with Witton Kramer KT Industrial thrustors and TKF Flameproof thrustors.
The brakes are A.C. operated from supplies up to 660 Volts, 50 / 60 Hz and are designed for demanding applications such as on heavy duty cranes, conveyors and process lines.
The brakes comply with the British standard, BS 466 and with the requirements of the German standard DIN 15435 in respect of drum diameter and width, shoe clearance, fixing centres and centre height, and fixing bolt holes.
Sizes
160 - 710 mm Brake Dia.
Torques
185 - 7300 Nm
Dimensions
| Brake dia d1 | Thrustor Size HD | Max Torque Nm | a1 | a2 | a3 | a4 | b1 | b2 | c | d3 | f | h1 | h2 | h3 | i | j | k | l1 | l2 | m | n1 | n2 | s | VA | Thrustor Mass kg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 160 | 25/5 | 185 | 640 | 370 | 180 | 220 | 75 | 70 | 8 | 14 | 125 | 155 | 5 | 520 | 55 | 100 | 145 | 75 | 100 | 30 | 100 | 160 | 1 | 125 | 45 |
| 200 | 25/5 | 230 | 640 | 370 | 180 | 220 | 75 | 70 | 8 | 14 | 125 | 155 | 5 | 520 | 55 | 100 | 145 | 75 | 100 | 30 | 100 | 160 | 1 | 125 | 45 |
| 200 | 75/5 | 290 | 680 | 370 | 180 | 220 | 75 | 70 | 8 | 14 | 125 | 155 | 5 | 610 | 55 | 100 | 145 | 75 | 100 | 30 | 100 | 195 | 1 | 250 | 55 |
| 250 | 25/5 | 300 | 720 | 415 | 215 | 215 | 95 | 90 | 8 | 18 | 142 | 185 | 5 | 525 | 65 | 100 | 180 | 110 | 100 | 35 | 100 | 160 | 1.25 | 125 | 60 |
| 250 | 75/5 | 450 | 760 | 415 | 215 | 215 | 95 | 90 | 8 | 18 | 142 | 185 | 5 | 610 | 65 | 100 | 180 | 110 | 100 | 35 | 100 | 195 | 1.25 | 250 | 70 |
| 315 | 25/5 | 400 | 830 | 480 | 260 | 215 | 118 | 110 | 10 | 18 | 172 | 225 | 5 | 590 | 80 | 150 | 220 | 147 | 100 | 40 | 130 | 195 | 1.25 | 250 | 85 |
| 315 | 75/5 | 1050 | 870 | 480 | 260 | 260 | 118 | 110 | 10 | 18 | 172 | 225 | 5 | 610 | 80 | 150 | 220 | 147 | 100 | 40 | 130 | 195 | 1.25 | 250 | 90 |
| 315 | 125/6 | 1600 | 870 | 480 | 260 | 260 | 118 | 110 | 10 | 18 | 172 | 225 | 5 | 810 | 80 | 150 | 220 | 147 | 100 | 40 | 130 | 240 | 1.25 | 750 | 120 |
| 400 | 75/5 | 1250 | 1020 | 590 | 300 | 305 | 150 | 140 | 10 | 22 | 207 | 270 | 10 | 725 | 100 | 150 | 270 | 190 | 100 | 35 | 150 | 195 | 1.6 | 250 | 140 |
| 400 | 125/6 | 2200 | 1020 | 590 | 300 | 305 | 150 | 140 | 10 | 22 | 207 | 270 | 10 | 820 | 100 | 150 | 270 | 190 | 100 | 35 | 150 | 240 | 1.6 | 750 | 160 |
| 500 | 125/6 | 2500 | 1190 | 690 | 390 | 390 | 190 | 180 | 12 | 22 | 270 | 330 | 10 | 875 | 130 | 150 | 325 | 250 | 130 | 40 | 200 | 240 | 1.6 | 750 | 275 |
| 500 | 200/6 | 3900 | 1190 | 690 | 390 | 390 | 190 | 180 | 12 | 22 | 270 | 330 | 10 | 875 | 130 | 150 | 325 | 250 | 130 | 40 | 200 | 240 | 1.6 | 750 | 275 |
| 500 | 200/12 | 4500 | 1250 | 750 | 390 | 390 | 190 | 180 | 12 | 22 | 270 | 330 | 10 | 930 | 130 | 200 | 325 | 250 | 130 | 40 | 200 | 240 | 1.6 | 750 | 290 |
| 630 | 200/12 | 6500 | 1580 | 1000 | 470 | 470 | 236 | 225 | 12 | 27 | 330 | 410 | 10 | 1080 | 170 | 200 | 400 | 315 | 150 | 45 | 250 | 240 | 2 | 750 | 370 |
| 710 | 200/12 | 7300 | 1690 | 1070 | 510 | 510 | 265 | 255 | 15 | 27 | 365 | 460 | 10 | 1120 | 190 | 200 | 450 | 300 | 205 | 45 | 300 | 240 | 2 | 750 | 550 |