Altra Industrial Motion
Torque
Limiting
Overload
Protection
UEP Modular
Torque
Protection
CP
K
L
T
S
Q
R
M
B
E
D
www.bibbyturboflex.com P-1940-BB-A4 5/18
UEP MODULAR TORQUE LIMITERS
Bibby Turboflex has through extensive
experience developed the Ultimate Extruder
Protection device affording reliable protection
for twin screw extruders.
Based on over 30 years experience in arduous
applications particularly in the steel industry
has led to the development of the Bibby Modular
Torque Limiter which has become the industry
standard for twin screw extruder machines.
Model Number 234A 237A 238A 238B 239B 300C
Maximum Preset Torque Nm 1480 3046 3577 6688 8786 14280
Minimum Preset Torque Nm 148 493 579 1122 1420 2310
Maximum Speed RPM 3000 2800 2800 2500 2500 2200
Coupling Size 0.2RB 0.37RB 0.73RB 0.73RB 1.15RB 2.15RB
Module Size SE5 SE10 SE10 SE10 SE10 SE10
Quantity of Modules 2 2 2 4 4 6
Dimensions (mm)
Outside Diameter - B 232 278 317 320 378 467
Distance Between Hub Faces - C 62.3 83.5 83.5 96.7 96.7 110.7
D 112 134 133 138 138 136
E 3 4 4 4 4 4
Overall Length - T 264 325 350 363 407 441
Rigid Hub
Boss Diameter - S 130 165 165 190 234 234
Hub Length - L 106 121 121 121 140 140
Maximum Bore - Q 90 115 115 135 165 165
Minimum Bore 32 40 40 50 55 55
Flex Coupling
Gap - K 3.2 3.2 3.2 3.2 3.2 4.8
Boss Diameter - M 106.4 128.6 152.4 152.4 179.4 219
Hub Length - P 95 120 145 145 170 190
Maximum Bore - R 70 85 95 95 115 140
Minimum Bore 35 40 55 55 55 70
Mass Kg 39 70 90 106 163 231
UEP Ratings and Dimensions
Front cover photo courtesy of Coperion GmbH
UEP Modular Torque Protection Engineered for Twin Screw Extruders and Mixers