Descrizione
EP-SSRV040 Stainless Steel Worm Gearbox — Product Overview
The EP-SSRV040 is the entry-level model in Ever-power’s SSRV series of 304 stainless steel worm gearboxes, engineered for industries where corrosion resistance, cleanability, and compact footprint all matter simultaneously. Unlike standard cast-iron NMRV reducers, the SSRV040 features a precision-cast 304 stainless steel housing, 304 SS wheel core, and a 12-2 tin bronze worm gear immersed in fully synthetic worm gear oil — making it inherently suited for food processing, beverage production, pharmaceutical manufacturing, and marine-adjacent applications. Mounting dimensions are fully interchangeable with NMRV040, so engineers can upgrade existing aluminium gearbox installations to a hygienic stainless solution without redesigning the drivetrain. The compact 40 mm centre distance and electrolytically polished exterior eliminate surface micro-crevices that harbour bacteria, enabling HACCP washdown compliance and significantly reducing maintenance downtime.
Technical Specifications & Dimensional Data
| Parameter | Value |
|---|---|
| Model | EP-SSRV040 |
| Centre Distance | 40 mm |
| Housing Material | 304 Stainless Steel (precision cast) |
| Wheel Core Material | 304 Stainless Steel |
| Worm Gear Material | 12-2 Tin Bronze |
| Lubricant | Fully Synthetic Worm Gear Oil |
| Surface Finish | Electrolytically Polished |
| Speed Ratios | 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 |
| Input Flange (IEC) | 71B5, 71B14, 63B5, 63B14, 56B5 |
| Output Shaft Diameter | 18 mm |
| Output Shaft Length L | 128 mm |
| Key Width b | 6 mm |
| L1 (double-side) | 164 mm |
| IP Rating | IP65 |
| Interchangeable With | NMRV040 |
Output Shaft Dimensions (304 SS)
| d | B | B1 | G1 | L | L1 | f | b1 | t1 |
|---|---|---|---|---|---|---|---|---|
| 18 | 40 | 43 | 78 | 128 | 164 | M6×17 | 6 | 20.5 |
Output Flange Dimensions (..F)
| α1 | KA | KB | KC | KD | KM | KN | KQ |
|---|---|---|---|---|---|---|---|
| 45° | 67 | 7 | 4 | 31.5 | 75 | 60 | 95 |
Torque Arm Dimensions (304 SS)
| K1 | G | KG | KH | R | B |
|---|---|---|---|---|---|
| 100 | 14 | 31.5 | 10 | 18 | 4 |
Core Features & Engineering Advantages
✅ Food-Grade Hygienic Design
Electrolytically polished 304 SS exterior eliminates microscopic surface crevices where bacteria and biofilm can develop, meeting HACCP washdown requirements and ready for integration into food-contact zone machinery without additional protective coatings.
🔒 Self-Locking at High Ratios
At ratios 30:1 and above the SSRV040 exhibits natural self-locking — the output shaft cannot be back-driven by load. This eliminates separate braking mechanisms on vertical conveyors, lifting gates, and inclined screw feeders, reducing system cost.
🔄 NMRV040 Drop-In Replacement
Identical PAM-IEC flanges, shaft geometry and bolt-pattern footprint as the NMRV040. Upgrade from aluminium to full-stainless during any scheduled maintenance window with zero structural modification.
⚙ 11 Ratios 7.5–100
Eleven speed ratios from 7.5:1 to 100:1 give precise control over output torque and speed from a single compact housing, reducing spare parts inventory and simplifying procurement across a production line.
📌 Multi-Directional Installation
Can be installed in any orientation — horizontal, vertical input-up, vertical input-down — without modification. Critical for compact machine layouts in food and pharmaceutical equipment where space constraints dictate mounting.
Application Industries & Typical Use Cases
The compact EP-SSRV040 is the first choice for machine builders needing reliable torque transmission in tight, wash-down-intensive environments. Food processing plants rely on it for small-scale mixing paddles, portioning conveyors, and packaging indexers where IPA or caustic foam cleaning cycles are routine. Pharmaceutical manufacturers use it on tablet coating drum drives and vial-filling line conveyors where stainless-steel contact surfaces are mandated by GMP guidelines.
🍕 Food & Beverage
Portioning conveyors, dough dividers, filling nozzle indexers, and tray-transfer systems. Survives daily CIP washdowns and high-humidity bakery environments with no corrosion degradation.
💊 Pharmaceutical
Vial-filling conveyors, tablet press infeed drives, and cleanroom-compatible dispensing equipment. Electrolytic polish and 304 SS meet FDA material guidelines for indirect food and drug contact.
⛈ Chemical & Water Treatment
Metering pump drives, chemical reagent valve actuators, and compact mixer impeller gearboxes. 304 SS resists dilute acids, alkalis, and chlorinated cleaning agents that would pit cast iron.
Selection Guide, Certifications & FAQ
Certifications
- ✓ ISO 9001:2015
- ✓ CE Marking — EU Machinery Directive
- ✓ RoHS Compliant
- ✓ FDA-Compatible Materials
- ✓ IP65
Q: Max output torque?
At ratio 40:1 with 0.18 kW motor ≈40 N·m. Contact our team for full torque tables at your operating point.
Q: Suitable for food-contact areas?
304 SS polished housing + synthetic gear oil suitable for food-adjacent zones meeting HACCP and hygienic engineering standards.
Q: Truly interchangeable with NMRV040?
Yes — identical PAM-IEC flange, shaft geometry, bolt-pattern. Zero modification required.
Q: Ratios with self-locking?
Ratios 30:1 and above exhibit inherent self-locking on the SSRV040, eliminating external brakes on vertical/inclined loads.
Q: Recommended lubricant interval?
Annual inspection; replace every 10,000 h or 2 years normal duty. 5,000 h for high-temperature or heavy-duty applications.
Q: Hollow-bore output available?
Yes — specify SSRV040..F, KA=67 mm, KQ=95 mm, α1=45°.
Customer Reviews
🇦🇺 James Whitfield — Australia ⭐⭐⭐⭐⭐
“Six portioning conveyor drives in our Sydney smallgoods facility — 14 months of daily CIP washdowns, zero corrosion. Drop-in NMRV040 compatibility saved significant re-engineering cost.”
🇩🇪 Lukas Brandt — Germany ⭐⭐⭐⭐⭐
“Ratio 40 for pharmaceutical vial-filling conveyors in Munich. Electrolytic polish passes our cleanroom inspection. Extremely compact and quiet.”
🇲🇽 Carlos Mendoza — Mexico ⭐⭐⭐⭐⭑
“Chemical dosing pump drives in Monterrey water treatment — over two years, no maintenance issues. Self-locking at high ratios is a real benefit.”
Accessories & Related Products
304 SS Output Shafts
d=18 mm, L=128 mm, M6×17 key. SS and DS configurations. Full 304 SS for washdown environments.
Output Flange (..F)
KA=67 mm, KQ=95 mm, α1=45°. Hollow-bore for direct shaft mounting on conveyor roller drives.
Torque Arm (304 SS)
K1=100 mm, KG=31.5 mm, R=18 mm. Prevents housing rotation in shaft-mounted installations without additional frame.
IEC Motors
Frames 56–71, B5/B14. Power 0.06–0.37 kW. Stainless motor casing option available.
Ready to Source the EP-SSRV040?
Ever-power supplies stainless steel worm gearboxes to OEM machine builders, system integrators, and MRO procurement teams worldwide. Request a quote or technical datasheet today.
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