GLEW010K-GLEW042K
GLEW010K-GLEW042K Electric-ready Quarter-turn Worm Gearbox Series
GLEW010K-GLEW042K is organized as one product page group from source sheet GLEW-17, with actual model variants preserved separately.
GLEW010K-GLEW042K Electric-ready Quarter-turn Worm Gearbox Series
GLEW010K-GLEW042K is a quarter turn worm gearbox for electric actuator mounting. It provides high torque transmission for large valves. The actuator-ready gearbox supports electric actuator gearbox for large butterfly valve applications.
GLEW010K-GLEW042K series quarter turn gearboxes transmit output torque from 10000 to 42000 Nm. They use worm gear transmission with self-locking function for valve position holding. The gearboxes feature ISO 5211 actuator interfaces for electric actuator mounting. Compatible with large butterfly valves, ball valves, plug valves, and dampers.
Performance Parameters
Units: torque N·m · thrust kN · linear dimensions mm
| Model | Out. Tq. | In. Tq. | Ratio | Eff. |
|---|---|---|---|---|
| GLEW010K | 10000 | 500 | 60:1 | 21 |
| GLEW13.5K | 13500 | 700 | 56:1 | 19.6 |
| GLEW17.5K | 17500 | 800 | 62:1 | 21.7 |
| GLEW024K | 24000 | 1150 | 60:1 | 21 |
| GLEW029K | 29000 | 1200 | 66:1 | 23.1 |
| GLEW036K | 36000 | 1600 | 64:1 | 22.4 |
| GLEW042K | 42000 | 1700 | 70:1 | 24.5 |
Connection Dimensions
Unit: mm
| Model | Flange No. | D | D0 | PCD Thread | Boss D | Pin Qty | f | Max. Stem Dia. d | H2 |
|---|---|---|---|---|---|---|---|---|---|
| GLEW010K | F20/F25/F30 | 300/300/350 | 205/254/298 | 8×M16-24/8×M16-24/8×M20-30 | 140/200/230 | 4-Φ16/4-Φ16/4-Φ20 | 5/5/5 | 100 | 134 |
| GLEW13.5K | F25/F30 | 350/350 | 254/298 | 8×M16-24/8×M20-30 | 200/230 | 4-Φ16/4-Φ20 | 5/5 | 105 | 152 |
| GLEW17.5K | F25/F30 | 350/350 | 254/298 | 8×M16-24/8×M20-30 | 200/230 | 4-Φ16/4-Φ20 | 5/5 | 110 | 157 |
| GLEW024K | F25/F30/F35 | 415/415/415 | 254/298/356 | 8×M16-24/8×M20-30/8×M30-45 | 200/230/260 | 4-Φ16/4-Φ20/4-Φ30 | 5/5/5 | 120 | 178 |
| GLEW029K | F30/F35 | 415/415 | 298/356 | 8×M20-30/8×M30-45 | 230/260 | 4-Φ20/4-Φ30 | 5/5 | 130 | 180 |
| GLEW036K | F35/F40 | 475/475 | 356/406 | 8×M30-45/8×M36-54 | 260/300 | 4-Φ30/4-Φ40 | 5/8 | 150 | 195 |
| GLEW042K | F35/F40/F48 | 560/560/560 | 356/406/483 | 8×M30-45/8×M36-54/12×M36-54 | 260/300/370 | 4-Φ30/4-Φ40/4-Φ40 | 5/8/8 | 170 | 205 |
Overall Dimensions
Unit: mm · Weight: kg
| Model | A | B | C | L | L1 | H | H1 |
|---|---|---|---|---|---|---|---|
| GLEW010K | 350 | 350 | 150 | 321 | 175 | 192.5 | 80 |
| GLEW13.5K | 350 | 415 | 160 | 355 | 175 | 222.5 | 85 |
| GLEW17.5K | 350 | 415 | 173.5 | 355 | 175 | 222.5 | 85 |
| GLEW024K | 415 | 415 | 187 | 418 | 207.5 | 237.5 | 100 |
| GLEW029K | 415 | 415 | 204 | 418 | 207.5 | 237.5 | 100 |
| GLEW036K | 475 | 475 | 239 | 443 | 237.5 | 275 | 110 |
| GLEW042K | 560 | 560 | 257 | 463 | 280 | 295 | 130 |
Dimensional Drawing
Product Structure View
Engineering Material List
| No. | Part Name | Material | UK Standard | USA Standard |
|---|---|---|---|---|
| 1 | Worm Gearcase | Ductile Iron | BS 2789 450/10 | ASTM A536 65-45-12 |
| 2 | Alloy Bushing | SF-1 | SF-1 | SF-1 |
| 3 | Thrust Bearing | Steel | BS 535A99 | AISI/SAE 52100 |
| 4 | End Cap | Ductile Iron | BS 2789 450/10 | ASTM A536 65-45-12 |
| 5 | Turbine | Ductile Iron | BS 2789 600/3 | ASTM A536 80-55-06 |
| 6 | Cover | Ductile Iron | BS 2789 450/10 | ASTM A536 65-45-12 |
| 7 | Position Indicator Gasket | Nitrile rubber | Nitrile rubber | Nitrile rubber |
| 8 | Position Indicator | Steel | BS 080A25 | AISI/SAE 1025 |
| 9 | Actuator mounting bracket | Ductile Iron | BS 2789 450/10 | ASTM A536 65-45-12 |
| 10 | Worm Shaft | Steel | BS 080A47 | AISI/SAE 1045 |
| 11 | Worm | Steel | BS 970 530M40 | AISI/SAE 5140 |
Compatibility & Actuator Interface
Structured gearbox data for engineering selection and project documentation.
TFC provides engineered gearbox solutions for demanding valve applications, with technical support for model selection, torque matching, project documentation and OEM requirements.
Frequently Asked Questions
What is the torque range of the GLEW010K-GLEW042K gearbox?
The torque range is from 10000 Nm to 42000 Nm depending on model.
Does this gearbox support ISO 5211 actuator mounting?
The gearbox uses ISO 5211 flanges for actuator mounting.
Is the worm gearbox self-locking for valve position holding?
Yes, it features a self-locking worm gear for valve position holding.
Which valve types are compatible with this quarter turn gearbox?
It supports quarter turn operation for butterfly, ball, plug valves, and dampers.
How are gear ratios selected for actuator compatibility?
Gear ratios are selected to match actuator input torque requirements.
Need engineering assistance?
Send us your valve type, required torque, stem dimensions, flange standard and working conditions. Our engineering team will recommend a suitable gearbox model.