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Integrity and Excellence Since 1984
Helical Worm Speed Reducers
Single Worm Speed Reducers
Double Worm Speed Reducers
Triple Worm Speed Reducers
Series BT Pinch Roll
Reduction Units
Series BX Conveyor Drive Units
Worm Gear Mixer Drives
Worm Gear Sets
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Electric Motors
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Every Applcation
1/4 HP - 30,000 HP
Large High Voltage Motors

Wound Rotor Motors

Vertical Motors

Sychronous Motors

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Inverter Motors

Preminum High Efficiency
Triple Worm Speed Reducers
Ratios 5000:1 to 75,000:1
Delroyd® DDVM series triple-reduction worm gear speed reducers are available in ratios from 5000:1 to 175,000:1 and center distances from 7 to 20 in. (larger sizes are available on request). Output torque ranges from 33,000 in. lbs. for the 7-in. CD DDVM-70 to 582,900 in. lbs. for the DDVM-200. Mechanical HP input requirements are from 0.09 for the 175,000:1 7-in. CD reducer to 6.246 for the 5000:1 20-in. CD unit.

These reducers are available in any four configurations: horizontal, vertical, shafted and shaft-mounted.

They are ideal for water/wastewater equipment drive applications such as thickeners and clarifiers which require a vertical downshaft. Other available configurations also make Delroyd® triple reduction reducers perfect for use on mixers, elevators, solar panels, astronomical telescopes, indexing tables, hoists, conveyers or other process or materials handling systems where large torques/slow speeds are needed.

These reducers are also available with a helical primary reduction stage and are termed the HDVM series.

HP from 0.09 to 6.25
Output torque to 583,000 in. lbs.
Output rpm as low as 0.01 with a 1750 rpm input
Ideal for ultra-slow speed, high torque applications
Delroyd Reducers
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