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Worm Gear Actuator WQG-D/SD

WQG-D series gearbox, used with electric actuators, cast steel body, solid structure, to meet the requirements of industrial grade.

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WQG-D part turn gear box series


WQG-D series gearbox, used with electric actuators, cast steel body, solid structure, to meet the requirements of industrial grade. 

The products use high performance tapered roller bearings, suitable for chemical industry, power plants, water plants, ventilation and heating equipment and most industrial fields.


Product Applications

WQG-D series gearboxes are available with various connection flange options for ball, butterfly and plug valves.


Product Features

Different speed ratios can be achieved with different spur reducers

Multiple input flange options

13 sizes with torque up to 120,000NM

IP67 sealing for gearboxes

Operating ambient temperature -20℃ to +80℃

Stroke 0-90° (±5° adjustable)


WQG-D Series Electric Actuator
Type Ratio Max input torque nm Max output torque nm Electric connection size
JB2920-81 ISO5210
WQG-00D 38:1 132 1500 2# F10
WQG-00SD 76:1 99:1 78 42 1500 F05 F07
WQG-1D 44:1 150 2000 2# F10
WQG-1SD 88:1 114:1 90 69 2000 F05 F07
WQG-2D 52:1 160 3500 3# F14
WQG-2SD 105:1 158:1 260:1 130 100 53 3500 2# F14
WQG-3D 54:1 300 4500 3# F14
WQG-3SD 164:1 216:1 270:1 108 82 65 4500 2# F10
WQG-35D 56:1 450 6500 3# 4# F14 F16
WQG-35SD 170:1 224:1 280:1 150 114 91 6500 2# F10
WQG-4D 56:1 600 10500 4# F16
WQG-4SD 167:1 243:1 340:1 300 200 150 10500 2# 3# F10
WQG-5D 60:1 900 15000 4# 5#
WQG-5SD 179:1 242:1 364:1 450 300 200 15000 2# 3# 4#
WQG-55D 57:1 1200 23500 5# F25
WQG-55SD 170:1 345:1 475:1 450 300 250 23500 2# 3# F14
WQG-6D 64:1 1800 32000 7# F30
WQG-6SD 224:1 320:1 576:1 680 450 250 32000 3# 4#  F14
WQG-7D 68:1 2500 51000 7# F30
WQG-7SD 272:1 415:1 578:1 900 600 360 51000 3# 4# 5# F16
WQG-75D 65:1 3200 64000 F30
WQG-75SD 338:1 453:1 900 680 64000 5# F25
WQG-8SD 397:1 1375:1 900 680 81000 3# 5#
WQG-9D 382:1 513:1 755:1 1200 900 600 120000 4# 5# F25
WQG-9SD 1018:1 1538:1 2308:1 450 300 200 120000 3# 4#