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EP-SSRV050 Stainless Steel Worm Gearbox — Product Overview
The EP-SSRV050 occupies the critical mid-range position in Ever-power’s SSRV series, bridging the compact SSRV040 and the heavier-duty SSRV063. With a 50 mm centre distance and 25 mm output shaft, the SSRV050 delivers meaningfully higher output torque than the 040 model while retaining the clean, hygienic profile demanded by beverage production facilities, dairy plants, and wastewater treatment stations. The 304 SS housing, 304 SS wheel core, 12-2 tin bronze worm gear, and electrolytically polished exterior meet European hygienic machinery surface finish requirements. Conveyor designers favour the SSRV050 because its IEC 80B5/80B14 compatibility opens the most widely stocked motor frame size globally, while eleven ratios cover every belt speed from fast-running packing belts to direct-drive metering screws. Full dimensional interchangeability with NMRV050 allows zero-modification upgrades from aluminium to full stainless.
Technical Specifications & Dimensional Data
| Parameter | Value |
|---|---|
| Model | EP-SSRV050 |
| Centre Distance | 50 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) | 80B5, 80B14, 71B5, 71B14, 63B5, 63B14 |
| Output Shaft Diameter | 25 mm |
| L (single-side) | 153 mm |
| L1 (double-side) | 199 mm |
| Key Width b | 8 mm |
| Mounting Positions | Multi-directional |
| Interchangeable With | NMRV050 |
Output Shaft Dimensions (304 SS)
| d | B | B1 | G1 | L | L1 | f | b1 | t1 |
|---|---|---|---|---|---|---|---|---|
| 25 | 50 | 53.5 | 92 | 153 | 199 | M10×27 | 8 | 28 |
Output Flange & Torque Arm Dimensions
| α1 | KA | KB | KC | KD | KM | KN | KP | KQ |
|---|---|---|---|---|---|---|---|---|
| 45° | 90 | 9 | 5 | 46.5 | 85 | 70 | 125 | 110 |
| K1 | G | KG | KH | R | B |
|---|---|---|---|---|---|
| 100 | 14 | 38.5 | 10 | 18 | 4 |
Core Features & Engineering Advantages
🍼 Optimised for Conveyor & Bottling Lines
The 25 mm shaft and 50 mm centre distance deliver torque-speed characteristics ideally suited for belt conveyor head drums, bottle-washing carousel drives, and label-application roller mechanisms — the SSRV050 is a standard component for hygienic bottling line OEMs.
🔄 IEC 80 Frame Compatibility
IEC 80B5/80B14 compatibility opens the largest pool of globally available standard motors in the 0.37–1.1 kW range — the most common power band for conveyor and mixer drives, enabling local motor sourcing without special lead times.
🚫 High Corrosion Resistance
Outperforms anodised aluminium in continuous exposure to caustic CIP chemicals, salt spray, and chlorinated washwater. In dairy and beverage plants where aggressive CIP is routine, the 304 SS housing maintains dimensional stability and surface integrity across years of service.
🔒 Self-Locking at High Ratios
At ratios of 30:1 and above, inherent self-locking prevents load-induced back-driving — valuable on inclined conveyors where product weight must not cause unexpected motion when the motor is de-energised, eliminating motor-mounted brakes in many installations.
📈 Low Noise Transmission
12-2 tin bronze worm wheel running against a precision-ground worm shaft produces substantially lower noise levels than helical or bevel alternatives of equivalent torque rating — critical in open-plan food halls and packaging areas where noise exposure limits apply.
Application Industries & Typical Use Cases
Conveyor system integrators consistently specify the EP-SSRV050 for hygienic belt conveyor systems in food, beverage, and pharmaceutical processing. Its mid-range torque output, compact stainless housing, and IEC 80-frame compatibility make it the most versatile SSRV model for medium-duty continuous conveyor applications. Wastewater treatment plant engineers rely on the SSRV050 for slow-speed valve actuator drives and sludge dewatering belt drives, where extended exposure to chlorine and hydrogen sulphide would corrode aluminium alternatives within months.
🍻 Beverage & Bottling Lines
Bottle-washing carousel drives, labelling machine conveyors, and capping machine rotary drives. Withstands continuous steam and detergent washdowns inherent to bottling plant hygiene protocols.
⛈ Water & Wastewater Treatment
Belt filter press drives, slow-speed agitator gearboxes, and gate valve actuators in municipal and industrial water treatment plants. 304 SS resists H₂S, chlorine, and other aggressive chemicals.
🛍 Logistics & Cold Chain
Roller conveyor head drives, accumulation conveyor zone drives, and sortation diverter actuators in cold-chain logistics. Stainless construction resists condensation-induced corrosion in refrigerated distribution centres.
Selection Guide, Certifications & FAQ
Certifications
- ✓ ISO 9001:2015
- ✓ CE Marking
- ✓ RoHS Compliant
- ✓ FDA-Compatible Materials
- ✓ IP65
Q: What differentiates SSRV050 from SSRV040?
50mm centre distance, 25mm shaft vs 18mm, IEC 80-frame motors. Significantly higher torque for medium-duty conveyors.
Q: Handles dairy CIP washdowns?
Yes — 304 SS polished housing withstands NaOH and peracetic acid. IP65 sealing prevents ingress during washdown.
Q: DS double-output-shaft available?
Yes — L1=199mm for dual-driven roller or cross-conveyor applications.
Q: Rated input power with IEC 80B5?
0.55–0.75 kW depending on ratio and duty cycle. Full torque-power tables from our engineering team.
Q: Can be installed vertically input-down?
Yes — multi-directional mounting standard. Verify oil fill for vertical orientation; factory pre-configuration available.
Customer Reviews
🇫🇷 Sophie Laurent — France ⭐⭐⭐⭐⭐
“Eight conveyor drives in our Lyon dairy plant — two years of twice-daily CIP, housings still pristine. Used our existing IEC 80B5 motor stock immediately.”
🇦🇺 Nathan Clarke — Australia ⭐⭐⭐⭐⭐
“Bottling line conveyor drives in Melbourne. Self-locking at ratio 40 eliminated brakes on the inclined section. Quiet, compact, zero maintenance in 18 months.”
🇯🇵 Hiroshi Tanaka — Japan ⭐⭐⭐⭐⭐
“Water treatment belt filter press drives in Osaka — three years in chlorine-rich environment, no corrosion. Replaced aluminium gearboxes failing every 18 months.”
Accessories & Related Products
304 SS Output Shafts
d=25mm, L=153mm (SS), L1=199mm (DS), M10×27 key. Full 304 SS construction.
Output Flange (..F)
KA=90mm, KQ=110mm, KC=5mm, α1=45°. Direct shaft mounting on conveyor rollers or agitators.
Torque Arm (304 SS)
K1=100mm, KG=38.5mm, R=18mm. Prevents housing rotation in shaft-mounted conveyor roller drives.
IEC Motors
Frames 63–80, B5/B14. Power 0.18–0.75 kW. Stainless casing option available.
Source EP-SSRV050 for Your Conveyor or Processing Line
Ever-power serves OEM machine builders, conveyor integrators, and MRO procurement teams globally. Contact our technical sales team for specs, volume pricing, or sample evaluation.
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🏢 About Ever-power
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