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Typemanual_and_actuator_ready
Torque1,200 nm – 350,000 nm
Ratio77.2:1/96:1/121.4:1
AL / ALEW1200.2-ALEW350K.2 / electric_ready_identity

ALEW1200.2-ALEW350K.2

ALEW1200.2-ALEW350K.2 Valve Gearbox Series

ALEW1200.2-ALEW350K.2 is organized as one product page group from source sheet ALEW-39 40 41 42 43 44, with actual model variants preserved separately.

high_torqueelectric_readyworm_gearquarter_turnip68butterfly_valvemarinelarge_diameterheavy_dutyhigh_cycle
⚙
Torque Range
1,200 nm – 350,000 nm
↻
Primary Ratio
77.2:1/96:1/121.4:1
⌁
Operation Mode
manual_and_actuator_ready
PL
Platform
AL
TFC
Engineering gearbox selection support
ISO
Interface and documentation oriented
OEM
Custom gearbox configuration available
AI
Structured data prepared for future selector
CAD
Engineering files and drawings supported
Product Overview

ALEW1200.2-ALEW350K.2 Valve Gearbox Series

ALEW1200. 1-ALEW350K. 1 is a multi-stage worm gearbox for quarter-turn valve automation.

The ALEW1200. 2-ALEW350K. 2 series is a multi-stage worm gearbox designed for quarter-turn valve automation. It transmits torque through a worm gear transmission with self-locking function.

Ratio & Input Configuration Matrix

ALEW1200.2 optional ratio configuration - 1200 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
77.2:1120060F14F10Φ20×6×40
96:1120050F14F10Φ20×6×40
121.4:1120040F14F10Φ20×6×40

ALEW3000.2 optional ratio configuration - 3000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
112:13000120F16F10Φ20×6×40
126:13000100F16F10Φ20×6×40
157:1300080F16F10Φ20×6×40
208:1300060F16F10Φ20×6×40
261:1300050F16F10Φ20×6×40
305:1300040F16F10Φ20×6×40

ALEW4500.2 optional ratio configuration - 4500 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
155:14500120F20F10Φ20×6×40
193:14500100F20F10Φ20×6×40
255:1450080F20F10Φ20×6×40
299:1450060F20F10Φ20×6×40
379:1450050F20F10Φ20×6×40

ALEW7500.2optional ratio configuration - 7500 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
155:17500200F25F14Φ30×8×50
204:17500150F25F14Φ30×8×50
255:17500120F25F10Φ20×6×40
325:17500100F25F10Φ20×6×40
383:1750080F25F10Φ20×6×40

ALEW9000.2 optional ratio configuration - 9000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
155:19000250F25F14Φ30×8×50
180:19000200F25F14Φ30×8×50
259:19000150F25F14Φ30×8×50
354:19000120F25F10Φ20×6×40
384:19000100F25F10Φ20×6×40

ALEW13.5K.2 optional ratio configuration - 13500 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
121:113500450F30F14Φ30×8×50
180:113500300F30F14Φ30×8×50
193:113500250F30F14Φ30×8×50
260:113500200F30F14Φ30×8×50

ALEW018K.2 optional ratio configuration - 18000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
160:118000474F30F14Φ30×8×50
186:118000400F30F14Φ30×8×50
248:118000300F30F14Φ30×8×50
338:118000250F30F14Φ30×8×50

ALEW026K.2 optional ratio configuration - 26000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
260:126000450F35F14Φ30×8×50
353:126000300F35F14Φ30×8×50
446:126000250F35F14Φ30×8×50
540:126000200F35F14Φ30×8×50
711:126000150F35F10Φ20×6×40

ALEW036K.2 optional ratio configuration - 36000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
275:136000600F40F16Φ40×12×60
328:136000450F40F14Φ30×8×50
506:136000300F40F14Φ30×8×50
616:136000250F40F14Φ30×8×50
758:136000200F40F14Φ30×8×50

ALEW053K.2 optional ratio configuration - 53000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
368:153000600F48F16Φ40×12×60
448:153000500F48F14Φ30×8×50
565:153000400F48F14Φ30×8×50
732:153000300F48F14Φ30×8×50
901:153000250F48F14Φ30×8×50

ALEW065K.2 optional ratio configuration - 65000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
308:165000900F48F25Φ50×14×80
446:165000600F48F16Φ40×12×60
528:165000500F48F14Φ30×8×50
675:165000400F48F14Φ30×8×50
948:165000300F48F14Φ30×8×50

ALEW075K.2 optional ratio configuration - 75000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
200:1750001350F48F25Φ50×14×80
235:1750001200F48F25Φ50×14×80
349:175000900F48F25Φ50×14×80
535:175000600F48F16Φ40×12×60
648:175000500F48F14Φ30×8×50

ALEW090K.2 optional ratio configuration - 90000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
171:1900001800F48F25Φ50×14×80
262:1900001350F48F25Φ50×14×80
327:1900001200F48F25Φ50×14×80
413:190000900F48F25Φ50×14×80
684:190000600F48F16Φ40×12×60

ALEW120K.2 optional ratio configuration - 120000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
266:11200001800F60F25Φ50×14×80
390:11200001200F60F25Φ50×14×80
520:1120000900F60F25Φ50×14×80
775:1120000600F60F25Φ30×8×50
1545:1120000300F60F25Φ30×8×50

ALEW160K.2 optional ratio configuration - 160000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
355:11600001800F60F25Φ50×14×80
400:11600001490F60F25Φ50×14×80
451:11600001350F60F25Φ50×14×80
515:11600001200F60F25Φ50×14×80
702:1160000900F60F25Φ50×14×80

ALEW180K.2 optional ratio configuration - 180000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
426:11800001800F60F25Φ50×14×80
626:11800001200F60F25Φ50×14×80
812:1180000900F60F25Φ50×14×80
1215:1180000600F60F16Φ40×12×60
1567:1180000450F60F14Φ30×8×50

ALEW230K.2optional ratio configuration - 230000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
546:12300001800F60F25Φ50×14×80
661:12300001490F60F25Φ50×14×80
809:12300001200F60F25Φ50×14×80
1059:1230000900F60F25Φ50×14×80
1828:1230000500F60F14Φ30×8×50

ALEW270K.2 optional ratio configuration - 270000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
486:12700002500F60F25Φ50×14×80
629:12700001800F60F25Φ50×14×80
948:12700001200F60F25Φ50×14×80
1260:1270000900F60F25Φ50×14×80
1828:1270000600F60F16Φ40×12×60

ALEW350K.2 optional ratio configuration - 350000 Nm

Electric-ready gearbox optional ratio and input torque combinations. Ratios and input torques are paired by source order.

RatioOutput TorqueInput TorqueOutput FlangeInput FlangeInput Shaft
570:13500002500F60F25Φ50×14×80
782:13500001800F60F25Φ50×14×80
1200:13500001200F60F25Φ50×14×80
1616:1350000900F60F25Φ50×14×80
1958:1350000745F60F16Φ40×12×60

Performance Parameters

Units: torque N·m · thrust kN · linear dimensions mm

ModelOut. Tq.In. Tq.RatioStd. Out.Opt. Out.In. ShaftISO 5210ISO 5211
ALEW1200.2120060 / 50 / 4077.2:1/96:1/121.4:1F14F12Φ20×6×40F10Z10
ALEW3000.23000120 / 100 / 80 / 60 / 50 / 40112:1/126:1/157:1/208:1/261:1/305:1F16F14Φ20×6×40F10Z10
ALEW4500.24500120 / 100 / 80 / 60 / 50155:1/193:1/255:1/299:1/379:1F20F16Φ20×6×40F10Z10
ALEW7500.27500200 / 150 / 120 / 100 / 80155:1/204:1/255:1/325:1/383:1F25F20Φ30×8×50/Φ30×8×50/Φ20×6×40/Φ20×6×40/Φ20×6×40F14/F14/F10/F10/F10Z20/Z20/Z10/Z10/Z10
ALEW9000.29000250 / 200 / 150 / 120 / 100155:1/180:1/259:1/354:1/384:1F25F20Φ30×8×50/Φ30×8×50/Φ30×8×50/Φ20×6×40/Φ20×6×40F14/F14/F14/F10/F10Z30/Z20/Z20/Z10/Z10
ALEW13.5K.213500450 / 300 / 250 / 200121:1/180:1/193:1/260:1F30F25Φ30×8×50F14Z45/Z30/Z30/Z20
ALEW018K.218000474 / 400 / 300 / 250160:1/186:1/248:1/338:1F30F25Φ30×8×50F14Z45/Z45/Z30/Z30
ALEW026K.226000450 / 300 / 250 / 200 / 150260:1/353:1/446:1/540:1/711:1F35F30Φ30×8×50/Φ30×8×50/Φ30×8×50/Φ30×8×50/Φ20×6×40F14/F14/F14/F14/F10Z45/Z30/Z30/Z30/Z15
ALEW036K.236000600 / 450 / 300 / 250 / 200275:1/328:1/506:1/616:1/758:1F40F35Φ40×12×60/Φ30×8×50/Φ30×8×50/Φ30×8×50/Φ30×8×50F16/F14/F14/F14/F14Z60/Z45/Z30/Z30/Z30
ALEW053K.253000600 / 500 / 400 / 300 / 250368:1/448:1/565:1/732:1/901:1F48F40Φ40×12×60/Φ30×8×50/Φ30×8×50/Φ30×8×50/Φ30×8×50F16/F14/F14/F14/F14Z60/Z45/Z45/Z30/Z30
ALEW065K.265000900 / 600 / 500 / 400 / 300308:1/446:1/528:1/675:1/948:1F48F40Φ50×14×80/Φ40×12×60/Φ30×8×50/Φ30×8×50/Φ30×8×50F25/F16/F14/F14/F14Z90/Z60/Z60/Z45/Z30
ALEW075K.2750001350 / 1200 / 900 / 600 / 500200:1/235:1/349:1/535:1/648:1F48F40Φ50×14×80/Φ50×14×80/Φ50×14×80/Φ40×12×60/Φ30×8×50F25/F25/F25/F16/F14Z120/Z120/Z90/Z60/Z60
ALEW090K.2900001800 / 1350 / 1200 / 900 / 600171:1/262:1/327:1/413:1/684:1F48F40Φ50×14×80/Φ50×14×80/Φ50×14×80/Φ50×14×80/Φ40×12×60F25/F25/F25/F25/F16Z180/Z120/Z120/Z90/Z60
ALEW120K.21200001800 / 1200 / 900 / 600 / 300266:1/390:1/520:1/775:1/1545:1F60F48Φ50×14×80/Φ50×14×80/Φ50×14×80/Φ30×8×50/Φ30×8×50F25Z180/Z120/Z90/Z60/Z30
ALEW160K.21600001800 / 1490 / 1350 / 1200 / 900355:1/400:1/451:1/515:1/702:1F60F48/F40Φ50×14×80/Φ50×14×80/Φ50×14×80/Φ50×14×80/Φ50×14×80F25Z180/Z120/Z120/Z120/Z90
ALEW180K.21800001800 / 1200 / 900 / 600 / 450426:1/626:1/812:1/1215:1/1567:1F60F8/F40Φ50×14×80/Φ50×14×80/Φ50×14×80/Φ40×12×60/Φ30×8×50F25/F25/F25/F16/F14Z180/Z120/Z90/Z60/Z45
ALEW230K.22300001800 / 1490 / 1200 / 900 / 500546:1/661:1/809:1/1059:1/1828:1F60F48/F40Φ50×14×80/Φ50×14×80/Φ50×14×80/Φ50×14×80/Φ30×8×50F25/F25/F25/F25/F14Z180/Z180/Z120/Z90/Z60
ALEW270K.22700002500 / 1800 / 1200 / 900 / 600486:1/629:1/948:1/1260:1/1828:1F60F48Φ50×14×80/Φ50×14×80/Φ50×14×80/Φ50×14×80/Φ40×12×60F25/F25/F25/F25/F16Z250/Z180/Z120/Z120/Z60
ALEW350K.23500002500 / 1800 / 1200 / 900 / 745570:1/782:1/1200:1/1616:1/1958:1F60F48Φ50×14×80/Φ50×14×80/Φ50×14×80/Φ50×14×80/Φ40×12×60F25/F25/F25/F25/F16Z250/Z180/Z120/Z90/Z90

Connection Dimensions

Unit: mm

ModelFlange No.DD0PCD ThreadBoss DPin QtyfMax. Stem Dia. dH2
ALEW1200.2F12/F14175/175125/1404×M12-18/4×M16-2485/1002-Φ10/2-Φ123/44590
ALEW3000.2F14/F16210/210140/1654×M16-24/4×M20-30100/1302-Φ12/2-Φ164/565103
ALEW4500.2F16/F20250/250165/2054×M20-30/8×M16-24130/1402-Φ16/4-Φ165/570123
ALEW7500.2F20/F25300/300205/2548×M16-24/8×M16-24140/2004-Φ16/4-Φ165/580120
ALEW9000.2F20/F25350/350205/2548×M16-24/8×M16-24140/2004-Φ16/4-Φ165/5100140
ALEW13.5K.2F25/F30350/350254/2988×M16-24/8×M20-30200/2304-Φ16/4-Φ205/5105150
ALEW018K.2F25/F30350/350254/2988×M16-24/8×M20-30200/2304-Φ16/4-Φ205/5110155
ALEW026K.2F30/F35415/415298/3568×M20-30/8×M30-45230/2604-Φ20/4-Φ305/5120175
ALEW036K.2F35/F40475/475356/4068×M30-45/8×M36-54260/3004-Φ30/4-Φ405/8150190
ALEW053K.2F40/F48560/560406/4838×M36-54/12×M36-54300/3704-Φ40/4-Φ408/8180223
ALEW065K.2F40/F48560/560406/4838×M36-54/12×M36-54300/3704-Φ40/4-Φ408/8180230
ALEW075K.2F40/F48560/560406/4838×M36-54/12×M36-54300/3704-Φ40/4-Φ408/8185245
ALEW090K.2F40/F48560/560406/4838×M36-54/12×M36-54300/3704-Φ40/4-Φ408/8190260
ALEW120K.2F48/F60686/686483/60312×M36-54/20×M36-54370/4704-Φ40/4-Φ408/8205284
ALEW160K.2F48/F60686/686483/60312×M36-54/20×M36-54370/4704-Φ40/4-Φ408/8215288
ALEW180K.2F48/F60686/686483/60312×M36-54/20×M36-54370/4704-Φ40/4-Φ408/8220315
ALEW230K.2F48/F60686/686483/60312×M36-54/20×M36-54370/4704-Φ40/4-Φ408/8230335
ALEW270K.2F48/F60686/686483/60312×M36-54/20×M36-54370/4704-Φ40/4-Φ408/8240372
ALEW350K.2F48/F60686/686483/60312×M36-54/20×M36-54370/4704-Φ40/4-Φ408/8310395

Overall Dimensions

Unit: mm · Weight: kg

ModelABCC1LL1HH1H3F-Z
ALEW1200.2175230.5786092.0205.0130.047-7.5Z10
ALEW3000.2210273.5106/120.0266.0125.0550.0F10
ALEW4500.2250328.0121/135.0291.0165.05820.0F10
ALEW7500.2300372.5140/150.0311.5165.05820.0F10
ALEW9000.2300382.5150/162.5318.5165.08020.0F10
ALEW13.5K.2350417.5160/175.0339.0165.08520.0F10
ALEW018K.2350436.0173.5/178.0359.0175.085-5.0Z30
ALEW026K.2415534.5187/208.0450.0280.010027.5Z45
ALEW036K.2475616.5239/243.0485.0280.011027.5Z45
ALEW053K.2560695.0275/280.0515.0280.013027.5Z45
ALEW065K.2575714.5287/287.5525.0280.013027.5Z45
ALEW075K.2590762.0307/307.0545.0320.014047.5Z45
ALEW090K.2630796.0321/322.0560.0320.014047.5Z45
ALEW120K.2686865.5340/360.0593.0365.015070.0Z45
ALEW160K.2730919.5372/365.0593.0365.015070.0Z45
ALEW180K.2730968.0373/390.0655.0460.016280.0F25
ALEW230K.28101058.0423/405.0665.0460.016280.0F25
ALEW270K.29601205.0495/480.0735.0460.019280.0F25
ALEW350K.210401275.0525/520.0775.0460.019280.0F25
Engineering Drawing

Dimensional Drawing

ALEW1200.2-ALEW350K.2 dimensional drawing
Structure Diagram

Product Structure View

ALEW1200.2-ALEW350K.2 structure diagram
Material Configuration

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 Actuator Connecting Flange Ductile Iron BS 2789 450/10 ASTM A536 65-45-12
12 Reducer Gear Case Cover Ductile Iron BS 2789 450/10 ASTM A536 65-45-12
13 Gear Steel BS 970 530M40 AISI/SAE 5140
14 Reducer Main Shaft Gear Steel BS 970 530M40 AISI/SAE 5140
15 Reducer Gearcase Ductile Iron BS 2789 450/10 ASTM A536 65-45-12
Compatibility

Compatibility & Actuator Interface

Explosion Proof by_actuator
Industrial Reliability

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.

Torque SelectionInterface MatchingOEM AvailableEngineering SupportAI-ready Data
FAQ

Frequently Asked Questions

What is the torque range of the ALEW1200.2-ALEW350K.2 gearbox?

The gearbox supports torque ranges from 1200 to 350000 Nm depending on model.

Does the gearbox have an ISO 5211 interface?

It includes an ISO 5211 flange interface for direct actuator mounting.

Can the gearbox be configured with different gear ratios?

Yes, it supports multiple gear ratios for actuator selection and input torque matching.

Which valve types are compatible with this gearbox?

It is designed for quarter-turn valves including butterfly, ball, plug valves, and dampers.

Does the gearbox have a self-locking feature?

The worm gear transmission provides a self-locking function to prevent back-driving.

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.

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