ALW1200-ALW160K
ALW1200-ALW160K Valve Gearbox Series
ALW1200-ALW160K is organized as one product page group from source sheet ALW-27 28 29, with actual model variants preserved separately.
ALW1200-ALW160K Valve Gearbox Series
ALW1200-ALW160K is a manual worm gearbox series for large valve operation. It provides high torque transmission for quarter turn valves. Features include ISO 5211 valve gearbox interface and self-locking worm gear operator for heavy duty valve control.
The ALW1200-ALW160K series is a high torque worm gearbox designed for manual quarter-turn valve operation. It transmits torque through a worm gear transmission system, providing self-locking function for valve position holding. The gearbox features an ISO 5211 valve gearbox interface for direct actuator mounting. Compatible with large diameter butterfly valves, ball valves, plug valves, dampers, and flap valves.
Performance Parameters
Units: torque N·m · thrust kN · linear dimensions mm
| Model | Out. Tq. | In. Tq. | Ratio | Eff. |
|---|---|---|---|---|
| ALW1200 | 1200 | 40 | 120:1 | 30 |
| ALW3000 | 3000 | 60 | 210:1 | 50 |
| ALW4500 | 4500 | 80 | 235:1 | 56.2 |
| ALW7500 | 7500 | 80 | 379:1 | 93.7 |
| ALW9000 | 9000 | 91 | 413:1 | 99 |
| ALW13.5K | 13500 | 98 | 577:1 | 137.8 |
| ALW018K | 18000 | 102 | 735:1 | 176.4 |
| ALW026K | 26000 | 94 | 1156:1 | 277.4 |
| ALW036K | 36000 | 81 | 1926:1 | 444.5 |
| ALW053K | 53000 | 95 | 2446:1 | 553.4 |
| ALW065K | 65000 | 96 | 2957:1 | 680 |
| ALW075K | 75000 | 98 | 3326:1 | 765 |
| ALW090K | 90000 | 110 | 3955:1 | 825 |
| ALW120K | 120000 | 108 | 4998:1 | 1111.1 |
| ALW160K | 160000 | 100 | 6630:1 | 1500 |
Connection Dimensions
Unit: mm
| Model | Flange No. | D | D0 | PCD Thread | Max. Stem Dia. d | H2 | Convex (D1×f) |
|---|---|---|---|---|---|---|---|
| ALW1200 | F12/F14 | 175/175 | 125/140 | 5×M12-18/4×M16-24 | 45 | 90 | 85×3/100×4 |
| ALW3000 | F14/F16 | 210/210 | 140/165 | 4×M16-24 /4×M20-30 | 65 | 103 | 100×4 / 130×5 |
| ALW4500 | F16/F20 | 250/250 | 165/205 | 4×M20-30 /8×M16-24 | 70 | 123 | 100×4 / 130×5 |
| ALW7500 | F20/F25 | 300/300 | 205/254 | 8×M16-24 /8×M16-24 | 80 | 120 | 140×5 / 200×5 |
| ALW9000 | F20/F25 | 300/300 | 205/254 | 8×M16-24 /8×M16-24 | 100 | 147 | 140×5 / 200×5 |
| ALW13.5K | F25/F30 | 350/350 | 254/298 | 8×M16-24 / 8×M20-30 | 105 | 155 | 200×5 / 230×5 |
| ALW018K | F25/F30 | 350/350 | 254/298 | 8×M16-24 / 8×M20-30 | 110 | 157 | 200×5 / 230×5 |
| ALW026K | F30/F35 | 415/415 | 298/356 | 8×M20-30 / 8×M30-45 | 120 | 179 | 230×5 / 260×5 |
| ALW036K | F35/F40 | 475/475 | 356/406 | 8×M30-45 / 8×M36-54 | 150 | 195 | 260×5 / 300×8 |
| ALW053K | F40/F48 | 560/560 | 406/483 | 8×M36-54 / 12×M36-54 | 180 | 225 | 300×8 / 370×8 |
| ALW065K | F40/F48 | 560/560 | 406/483 | 8×M36-54 / 12×M36-54 | 180 | 223 | 300×8 / 37 |
| ALW075K | F40/F48 | 560/560 | 406/483 | 8×M36-54 / 12×M36-54 | 180 | 230 | 300×8 / 370×8 |
| ALW090K | F40/F48 | 560/560 | 406/483 | 8×M36-54 / 12×M36-54 | 185 | 245 | 300×8 / 370×8 |
| ALW120K | F48/F60 | 686/686 | 483/603 | 12×M36-54 / 20×M36-54 | 190 | 260 | 370×8 / 470 |
| ALW160K | F48/F60 | 686/686 | 483/603 | 12×M36-54 / 20×M36-54 | 205 | 284 | 370×8 / 470×8 |
Overall Dimensions
Unit: mm · Weight: kg
| Model | A | B | C | L | H | H1 | H3 | ØM | G | L2 |
|---|---|---|---|---|---|---|---|---|---|---|
| ALW1200 | 175 | 230.5 | 185.5 | 302.0 | 78.0 | 47 | 112.0 | 300 | 18 | 210 |
| ALW3000 | 210 | 273.5 | 246 | 419.0 | 106.0 | 55 | 117.5 | 400 | / | 299 |
| ALW4500 | 250 | 328.5 | 286 | 456.0 | 121.0 | 58 | 140.5 | 600 | / | 321 |
| ALW7500 | 300 | 372.5 | 320 | 491.5 | 140.0 | 58 | 140.5 | 600 | / | 341.5 |
| ALW9000 | 300 | 382.5 | 345 | 506.0 | 150.0 | 80 | 162.5 | 600 | / | 343.5 |
| ALW13.5K | 350 | 417.5 | 370 | 536.0 | 160.0 | 85 | 167.5 | 600 | / | 361 |
| ALW018K | 350 | 431.0 | 393.5 | 544.0 | 173.5 | 85 | 167.5 | 600 | / | 366 |
| ALW026K | 415 | 482.0 | 454.5 | 639.0 | 187.0 | 100 | 187.5 | 600 | / | 432 |
| ALW036K | 475 | 581.5 | 534 | 715.0 | 239.0 | 110 | 215.0 | 600 | 141.5 | 472 |
| ALW053K | 560 | 660.0 | 620 | 775.0 | 275.0 | 130 | 235.0 | 600 | 177.5 | 502 |
| ALW065K | 575 | 679.5 | 644.5 | 799.5 | 287.0 | 130 | 235.0 | 600 | 189.5 | 512 |
| ALW075K | 590 | 759.5 | 682 | 1015.0 | 307.0 | 140 | 297.5 | 600 | 187 | 708 |
| ALW090K | 630 | 793.5 | 716 | 1045.0 | 321.0 | 140 | 297.5 | 600 | 201 | 723 |
| ALW120K | 686 | 840.5 | 770 | 1113.0 | 340.0 | 150 | 307.5 | 600 | 220 | 753 |
| ALW160K | 730 | 894.5 | 832 | 1118.0 | 372.0 | 150 | 307.5 | 600 | 252 | 753 |
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 | Worm Shaft | Steel | BS 080A47 | AISI/SAE 1045 |
| 5 | Worm | Steel | BS 970 530M40 | AISI/SAE 5140 |
| 6 | End Cap | Ductile Iron | BS 2789 450/10 | ASTM A536 65-45-12 |
| 7 | Turbine | Ductile Iron | BS 2789 600/3 | ASTM A536 80-55-06 |
| 8 | Cover | Ductile Iron | BS 2789 450/10 | ASTM A536 65-45-12 |
| 9 | Position Indicator Gasket | Nitrile rubber | Nitrile rubber | Nitrile rubber |
| 10 | Position Indicator | Steel | BS 080A25 | AISI/SAE 1025 |
| 11 | Handwheel | Steel | BS 080A25 | AISI/SAE 1025 |
| 12 | Lock Plate | Steel | BS 080A25 | AISI/SAE 1025 |
| 13 | Lock Latch | Steel | BS 080A25 | AISI/SAE 1025 |
| 14 | Reducer Gear Case Cover | Ductile Iron | BS 2789 450/10 | ASTM A536 65-45-12 |
| 15 | Gear | Steel | BS 970 530M40 | AISI/SAE 5140 |
| 16 | Reducer Main Shaft Gear | Steel | BS 970 530M40 | AISI/SAE 5140 |
| 17 | Reducer Gearcase | Ductile Iron | BS 2789 450/10 | ASTM A536 65-45-12 |
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 ALW1200-ALW160K gearbox?
The gearbox supports torque output from 1200 to 160000 Nm depending on model.
What type of gear transmission does this valve gearbox use?
It uses a worm gear transmission with self-locking function for position holding.
Does this gearbox have an ISO 5211 interface?
Yes, it features an ISO 5211 valve gearbox interface for actuator mounting.
Which valve types are compatible with this worm gearbox?
It is designed for quarter-turn valves including butterfly, ball, plug valves, and dampers.
Is it suitable for manual valve operation?
The manual gear operator enables high torque manual valve actuation without external power.
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.