ALEW9000-ALEW036K
ALEW9000-ALEW036K Valve Gearbox Series
ALEW9000-ALEW036K is organized as one product page group from source sheet ALEW-35, with actual model variants preserved separately.
ALEW9000-ALEW036K Valve Gearbox Series
ALEW9000-ALEW036K is a high torque manual valve gearbox for quarter-turn operation. It delivers output torque from 9000 to 36000 Nm. The worm gear operator features an ISO 5211 valve gearbox interface for large butterfly valves and other quarter-turn valves.
The ALEW9000-ALEW036K series is a high torque manual valve gearbox designed for quarter-turn operation. It transmits torque through a worm gear transmission, providing output torque from 9000 to 36000 Nm. The gearbox features an ISO 5211 valve gearbox interface for direct mounting on large butterfly, ball, plug valves, and dampers. The worm gear operator includes a self-locking function to hold valve position securely.
Performance Parameters
Units: torque N·m · thrust kN · linear dimensions mm
| Model | Out. Tq. | In. Tq. | Ratio | Eff. |
|---|---|---|---|---|
| ALEW9000 | 9000 | 450 | 60:1 | 21 |
| ALEW13.5K | 13500 | 680 | 56:1 | 19.6 |
| ALEW018K | 18000 | 900 | 62:1 | 21.7 |
| ALEW026K | 26000 | 1290 | 60:1 | 21 |
| ALEW036K | 36000 | 1700 | 64:1 | 22.4 |
Connection Dimensions
Unit: mm
| Model | Flange No. | D | D0 | PCD Thread | Boss D | Pin Qty | f | Max. Stem Dia. d | H2 |
|---|---|---|---|---|---|---|---|---|---|
| ALEW9000 | F20/F25 | 350/350 | 205/254 | 8×M16-24/8×M16-24 | 140/200 | 4-Φ16/4-Φ16 | 5/5 | 100 | 145 |
| ALEW13.5K | F25/F30 | 350/350 | 254/298 | 8×M16-24/8×M20-30 | 200/230 | 4-Φ16/4-Φ20 | 5/5 | 105 | 150 |
| ALEW018K | F25/F30 | 350/350 | 254/298 | 8×M16-24/8×M20-30 | 200/230 | 4-Φ16/4-Φ20 | 5/5 | 110 | 153 |
| ALEW026K | F30/F35 | 415/415 | 298/356 | 8×M20-30/8×M30-45 | 230/260 | 4-Φ20/4-Φ30 | 5/5 | 120 | 178 |
| ALEW036K | F35/F40 | 475/475 | 356/406 | 8×M30-45/8×M36-54 | 260/300 | 4-Φ30/4-Φ40 | 5/8 | 150 | 195 |
Overall Dimensions
Unit: mm · Weight: kg
| Model | A | B | C | L1 | H | H1 |
|---|---|---|---|---|---|---|
| ALEW9000 | 300 | 387.5 | 150 | 390 | 167.5 | 80 |
| ALEW13.5K | 350 | 472.5 | 160 | 403 | 222.5 | 85 |
| ALEW018K | 350 | 486.0 | 173.5 | 423 | 222.5 | 85 |
| ALEW026K | 415 | 559.5 | 187 | 506 | 265 | 100 |
| ALEW036K | 475 | 641.5 | 239 | 577 | 275 | 110 |
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 | Actuator mounting bracket | 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 | End Cap | 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 ALEW9000-ALEW036K gearbox?
The torque range is from 9000 to 36000 Nm.
Which valve types are compatible with this gearbox?
It supports quarter-turn valves such as butterfly, ball, plug valves, and dampers.
What type of valve interface does this gearbox have?
The gearbox uses an ISO 5211 flange interface for valve mounting.
Does the gearbox provide a self-locking function?
Yes, it includes a self-locking worm gear transmission to hold valve position.
What is the protection rating of the ALEW9000-ALEW036K gearbox?
The gearbox is IP68 rated for protection against dust and water ingress.
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.