RV Series Worm Gearbox
Our flagship aluminum alloy worm gearboxes — the global standard for compact, general-purpose right-angle speed reduction. Lightweight, corrosion-resistant, and thermally efficient, the RV series is available in a wide range of frame sizes, output configurations, and reduction ratios to suit virtually any industrial drive application.
EPNMRV025 Aluminium Worm Gearbox
Entry-level aluminium alloy unit for low-torque compact drive applications. IEC flange input, solid or hollow shaft output.
EPNMRV030 Aluminium Worm Gearbox
Compact aluminium unit for light-duty packaging, labelling, and conveyor feeder drives requiring clean, quiet operation.
EPNMRV040 Aluminium Worm Gearbox
Popular mid-range size used widely in food conveyor lines, automatic door openers, and small agricultural equipment drives.
EPNMRV050 Aluminium Worm Gearbox
One of the most widely specified sizes in the RV range. Handles medium loads across packaging, conveyor, and solar tracker applications.
EPNMRV063 Aluminium Worm Gearbox
Versatile medium-frame unit for mixer drives, filling machines, and indexing tables requiring consistent torque delivery at low output speeds.
EPNMRV075 Aluminium Worm Gearbox
Higher-torque aluminium unit used in medium-duty conveyor head drives, agitators, and gate automation systems with sustained loading.
EPNMRV090 Aluminium Worm Gearbox
Large-frame aluminium unit widely used in bottling lines, palletisers, and industrial washing machines where high output torque is required.
EPNMRV110 Aluminium Worm Gearbox
High-torque aluminium unit suited to heavier conveyor head drives, large mixer drives, and elevator systems where structural weight matters.
EPNMRV130 Aluminium Worm Gearbox
Near-maximum frame in the RV aluminium range. Handles demanding continuous-duty applications in food processing machinery and industrial automation lines.
EPNRV030 Shaft-Input Aluminium Worm Reducer
Shaft-input aluminium worm reducer for direct coupling to motor shaft without IEC flange. Ideal for compact retrofits and space-constrained installations.
EPNRV040 Shaft-Input Aluminium Worm Reducer
Mid-range shaft-input aluminium unit offering the same output torque as NMRV040 but with a direct shaft coupling for simplified motor integration.
EPNRV050 Shaft-Input Aluminium Worm Reducer
Popular shaft-input variant of the NMRV050 series. Used in conveyor drives and packaging machinery where motor flange mounting is not practical.
EPNRV063 Shaft-Input Aluminium Worm Reducer
Shaft-input aluminium worm reducer in size 063 delivering up to 200 Nm output torque for medium-load drives with a direct-coupled motor shaft.
EPNRV075 Shaft-Input Aluminium Worm Reducer
High-torque shaft-input aluminium worm reducer. Handles sustained loads in agitator drives, conveyor head drives, and gate automation systems.
WP Series Worm Reducer
Heavy-duty cast iron worm gear drives engineered for high-torque, high-impact environments where aluminum housing units reach their structural limits. Available in WPA, WPS, WPX, and WPO sub-variants to suit different shaft orientations and mounting configurations. The WP series is the preferred choice for mining, construction, agriculture, and heavy process industry applications worldwide.
WPDKA Flange-Mounted Hollow Shaft Single Speed Worm Gear Reducer
Flange-mounted hollow shaft single-speed reducer for direct face mounting to driven equipment. Eliminates coupling alignment work on mixer and conveyor installations.
WPDKS Flange-Mounted Hollow Shaft Worm Gear Reducer with Cooling Fins
Hollow shaft flange-mounted reducer with cooling fins for improved thermal performance in continuous-duty and high-ambient-temperature applications.
WPA Single Speed Worm Gear Reducer
Standard solid shaft single-speed WP reducer. Most widely specified cast iron worm gear drive for heavy industrial conveyor, mixer, and process equipment.
WPS Single Speed Worm Gear Reducer with Cooling Fins
Cast iron WP reducer with cooling fins on the housing. Provides extended thermal capacity for continuous high-duty cycle drives in enclosed or warm environments.
WPX Dual Output Shaft Single Speed Worm Gear Reducer
Dual output shaft configuration allowing simultaneous drive of two loads from a single gearbox. Used in cross-conveyor drives and twin-screw agitator systems.
WPO Vertical Mount Single Speed Worm Gear Reducer
Vertical output shaft configuration for drives where the load shaft axis must be vertical. Common in screw conveyor tail drives and vertical mixer shafts.
WPKA Hollow Shaft Single Speed Worm Gear Reducer
Hollow output shaft single-speed reducer for direct mounting onto the driven shaft. Eliminates shaft coupling and reduces overall drive train length and alignment complexity.
WPDA Flange-Mounted Single Speed Worm Gear Reducer
Solid shaft flange-mounted single-speed cast iron WP reducer. The flange output face allows direct mounting to driven equipment with no separate bearing housing required.
WPEA Double Speed Worm Gear Reducer
Two-stage cast iron WP reducer achieving very high overall reduction ratios. Used in heavy-duty screw conveyor tail drives, slow-speed industrial winches, and valve actuators.
WPES Double Speed Worm Gear Reducer with Cooling Fins
Two-stage reducer with cooling fins for improved thermal management in continuous-duty double-reduction applications in warm or enclosed environments.
WPEO Vertical Mount Double Speed Worm Gear Reducer
Two-stage vertical output double-speed reducer. Combines high reduction ratio with vertical shaft arrangement for demanding slow-speed vertical drive applications.
WPWE Flange-Base Double Speed Worm Gear Reducer
Flange and base-mounted double-speed WP reducer. Provides maximum mounting flexibility for two-stage reduction drives in large industrial equipment frames.
Stainless Steel Worm Gear Motor
Hygienic worm gear drives designed for food processing, pharmaceutical, beverage, and chemical production environments where daily washdown, corrosive cleaning agents, and strict material compliance are mandatory. Our stainless steel worm gear motor range is available in 304 and 316L stainless steel housing with NSF-approved lubricants, FDA-compliant shaft seals, and smooth CIP-compatible external surfaces.
EP-SSRV040 Stainless Steel Worm Gearbox
304 stainless steel housing in size 040. Smooth external geometry eliminates harbourage points. Suitable for food and beverage washdown environments.
EP-SSRV050 Stainless Steel Worm Gearbox
Stainless steel worm gearbox in size 050 delivering up to 120 Nm. Most widely used SSRV size across food processing, dairy, and pharmaceutical drive applications.
EP-SSRV063 Stainless Steel Worm Gearbox
Mid-range stainless steel worm gearbox for size 063 food processing lines. Handles mixer, agitator, and filling machine drives with full CIP compatibility.
EP-SSRV075 Stainless Steel Worm Gearbox
Higher-torque stainless steel worm gearbox for demanding food-grade drives requiring up to 400 Nm output in hygienic environments.
EP-SSRV090 Stainless Steel Worm Gearbox
Large-frame stainless steel worm gearbox for heavy food processing lines, industrial washing systems, and pharmaceutical mixing applications.
EP-SSVF40 Stainless Steel Worm Gearbox
Compact 304 stainless steel VF-type worm gearbox with foot and flange mounting. Designed for hygienic applications in tight installation spaces.
EP-SSVF50 Stainless Steel Worm Gearbox
Mid-range 304 stainless VF-type worm gearbox combining foot and flange mounting with superior corrosion resistance for food and beverage production lines.
EP-SSVF63 Stainless Steel Worm Gearbox
Heavy-duty 304 stainless VF-type worm gearbox for demanding food processing, chemical dosing, and pharmaceutical mixer applications requiring high torque.
EP-SSGM30 Stainless Steel Worm Gearbox
Compact 304 SS GM-type worm gearbox in size 30. Smooth all-round housing ideal for integration into automated food and beverage filling and capping machines.
EP-SSGM40 Stainless Steel Worm Gearbox
304 SS GM-type worm gearbox size 40. All external surfaces smooth and radiused for easy cleaning. Suitable for dairy, beverage, and general food processing.
EP-SSGM50 Stainless Steel Worm Gearbox
Popular 304 SS GM-type worm gearbox in size 50. Handles medium food processing loads with NSF H1 lubricant and FDA-compliant shaft seals as standard.
EP-SSGM63 Stainless Steel Worm Gearbox
Heavy-duty 304 SS GM-type worm gearbox in size 63 for high-torque food-grade applications including large mixers, homogenisers, and industrial washers.
EP-SSGM75 Stainless Steel Worm Gearbox
High-torque 304 SS GM-type unit for the most demanding hygienic drive applications. Combines maximum torque output with full IP69K washdown protection.
EP-SSGM90 Stainless Steel Worm Gearbox
Flagship heavy-duty 304 SS GM-type worm gearbox in size 90. Maximum output torque in a hygienically designed stainless housing with IP69K-rated protection.
Compare All Three Series
Use the table below to quickly identify the best worm gearbox series for your application. If you are unsure, contact our engineers with your requirements and we will advise.
| Thông số kỹ thuật | RV Series (Aluminum) | WP Series (Cast Iron) | Stainless Steel Series |
|---|---|---|---|
| Housing material | Aluminum alloy die-cast | Grey cast iron | 304 or 316L stainless steel |
| Frame sizes | 025 to 150 | CD 40 mm to 250 mm | Equivalent to RV range |
| Single-stage ratio | 7.5:1 to 100:1 | 10:1 to 60:1 | 7.5:1 to 100:1 |
| Max output torque | Up to 1,800 Nm | Up to 20,000+ Nm | Up to 1,800 Nm |
| Protection rating | IP54 (IP65 available) | IP54 (IP65 available) | IP65 / IP69K |
| Self-locking | Yes (low ratio) | Yes (low ratio) | Yes (low ratio) |
| Food / pharma use | Aluminum — not ideal | Not recommended | Yes — food grade certified |
| Washdown / CIP | Limited | Not recommended | Yes — IP65 / IP69K rated |
| Shock load tolerance | Moderate | High | Moderate |
| Weight (relative) | Lightest | Heaviest | Medium |
| Best applications | Conveyor, packaging, solar, automation | Mining, construction, heavy conveyor, agitator | Food, beverage, pharma, chemical |
| OEM / custom | Yes | Yes | Yes |
How to Choose the Right Worm Gearbox
Selecting the correct worm gear reducer begins with understanding your application's load profile, environment, and output requirements. The RV series aluminum worm gearbox is the most cost-effective and widely applicable choice for clean, indoor, or light outdoor environments — covering the majority of conveyor, packaging, solar tracker, and general automation drives. The WP series cast iron worm reducer steps in when higher torque output, greater impact resistance, or a larger center distance is required, making it the standard choice for heavy process industries, construction machinery, and large conveyor head drives.
Where hygiene is the primary concern — food processing lines, pharmaceutical mixing, beverage production, or any application involving regular washdown — the stainless steel worm gear motor is the only correct choice. The 316L variant provides additional resistance to chloride-based cleaning agents, while the electropolished option meets pharmaceutical GMP surface quality requirements. For specialist motion control applications such as CNC positioning tables or robotic joint drives, our NEMA 23 and NEMA 34 compatible units provide the precision input interface and low backlash performance that servo and stepper motor systems demand.
If your application does not fit neatly into one of the standard series — or if you need a custom shaft, non-standard ratio, or integrated motor and gearbox assembly — our engineers are ready to help. Review our manufacturing capabilities or go directly to the contact page to submit your application data and receive a verified recommendation within 48 hours.
Tell Us Your Application —
We'll Find the Right Gearbox
Submit your motor power, required output speed, load type, and environment. Our engineers will respond with a product selection, dimensional drawings, and pricing within 48 hours.
