설명
EP-SSVF63 Stainless Steel Worm Gear Reducer
At the top of the SSVF product family sits the EP-SSVF63 — Ever-power highest-output stainless steel worm gear reducer, engineered for the most demanding hygienic and corrosive industrial environments. With a 166 mm overall body length, a robust o145 mm IEC motor flange, and solid output shafts up to o25 mm, the EP-SSVF63 handles the torque demands of heavy industrial conveyors, large-volume mixing vessels, and high-load material transfer systems that smaller stainless reducers cannot satisfy. Precision-cast from 304 stainless steel with a 12-2 tin-bronze worm wheel and electrolytically polished surface, it accepts IEC motor frames from 71 through 90 — including the popular 90B5 and 80B5 flanges — across speed ratios from 7.5:1 to 100:1. Engineers in water and wastewater treatment, industrial chemical processing, and heavy food production choose the EP-SSVF63 when they need maximum torque, maximum corrosion resistance, and the flexibility to retain existing 90-frame motors during retrofits.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | EP-SSVF63 |
| Housing Material | 304 Stainless Steel (precision cast) |
| Worm Wheel Material | 12-2 Tin Bronze |
| Worm Shaft Material | 304 Stainless Steel (hardened) |
| Surface Finish | Electrolytically polished |
| Lubrication | Fully synthetic worm gear oil (food-grade H1 option) |
| Speed Ratios | 7.5 / 10 / 15 / 20 / 25 / 30 / 40 / 50 / 60 / 80 / 100 |
| Overall Length | 166 mm |
| Height | 112 mm |
| Input / Motor Flange (o) | o95 mm input bore, o145 mm motor flange |
| Output Bore (o) | o80 / o108 mm |
| Mounting Thread | M8x14 |
Compatible IEC Motor Flanges and Output Shaft Key Size (mm)
| PAM-IEC | N(H8) | M | P | Ratio Range | Key |
|---|---|---|---|---|---|
| 90B5 | 130 | 165 | 200 | 7.5 – 30 | 24 mm |
| 90B14 | 95 | 115 | 140 | 7.5 – 30 | 24 mm |
| 80B5 | 130 | 165 | 200 | 7.5 – 60 | 19 mm |
| 80B14 | 80 | 100 | 120 | 7.5 – 60 | 19 mm |
| 71B5 | 110 | 130 | 160 | 40 – 100 | 14 mm |
| 71B14 | 70 | 85 | 105 | 40 – 100 | 14 mm |
Output Flange Dimensions SSVF063F (304 SS)
| a1 | KA | KB | KC | KD | KM | KN | KQ | KP | KO |
|---|---|---|---|---|---|---|---|---|---|
| 45 deg | 82 | 10 | 6 | 29 | 150 | 115 | 142 | 180 | 11 |
Output Shaft Dimensions (063)
| d | B | B1 | G1 | L | L1 | f | b1 | t1 |
|---|---|---|---|---|---|---|---|---|
| 25 | 50 | 53.5 | 112 | 173 | 219 | M10x27 | 8 | 28 |
Engineering Advantages — EP-SSVF63
💪 Maximum Torque Output in the SSVF Family
The EP-SSVF63 accepts up to IEC 90-frame motors — the largest in the SSVF series — delivering the highest output torque of any SSVF unit. At i=100 with a 90-frame motor, this gearbox drives heavy industrial loads that the SSVF40 or SSVF50 cannot handle, while remaining fully in 304 stainless construction suitable for hygienic environments.
🏭 Industrial-Grade 304 SS Housing
The 166 mm body is precision-cast from 304 SS and passes through full electrolytic polishing — a process that not only creates the characteristic mirror finish but also removes embedded iron particles from the surface, dramatically improving corrosion resistance in chloride-rich coastal, marine, and chemical environments.
📌 IEC 90 Frame Compatibility — Unique in Stainless
Very few stainless worm gearboxes on the market accommodate IEC 90 B5/B14 motor flanges. The EP-SSVF63 o145 mm motor flange accepts 90-frame motors at ratios 7.5-30 (key 24 mm), opening up a power range typically reserved for cast-iron reducers. Existing 90-frame motor assets can be retained during upgrades to hygienic stainless drives.
🔒 Self-Locking with Maximum Load Holding
At ratios 40:1 and above, the SSVF63 provides inherent mechanical self-locking. For heavy conveyor lifts, pivoting equipment platforms, and large valve actuators, this self-locking eliminates secondary braking hardware — a significant cost reduction at the scale of plant-wide installation programmes where dozens of units are deployed.
🔄 25 mm Solid Output Shaft
The d=25 mm solid output shaft (single L=173 mm, double L1=219 mm) with 8 mm keyway and M10x27 thread provides robust, direct connection to sprockets, couplings, and pulleys without the risk of slip or micro-movement that can occur with undersized shafts. The longer shaft length compared to the SSVF50 allows a wider range of coupling positions.
🌎 Export-Ready Certifications
The EP-SSVF63 carries CE marking and ISO 9001:2015 certification with full material traceability documentation. RoHS compliance, FDA-compatible materials, and H1 food-grade oil options ensure the unit meets the import compliance requirements of the EU, USA, Australia, and Gulf markets without additional certification costs.
Industry Applications — Heavy-Duty Hygienic Environments
💧 Municipal Water and Wastewater Treatment
IEC 90-frame motors powering slow-speed sludge scrapers, rotating drum screens, and chemical dosing paddle mixers are a direct fit for the EP-SSVF63. Its full 304 SS construction resists constant immersion in chlorinated or sulphide-rich wastewater that destroys painted cast-iron within 2-3 years, significantly extending asset replacement cycles for municipal water authorities.
📦 Heavy Industrial Conveyor Drives
Bulk material conveyors in meat abattoirs, fish processing plants, and industrial laundries subject drives to continuous wash-down, extreme humidity, and heavy shock loads. The SSVF63 166 mm body and maximum torque output handle head-pulley conveyor loads that mid-range units cannot sustain, while the stainless housing eliminates the corrosion-driven maintenance cycles typical of standard conveyor gearboxes in wet environments.
🍳 Large-Volume Food Production and Mixers
Industrial bakery spiral mixers, continuous emulsification tanks, and heavy sauce-cooking vessels require reducers that can sustain torque for 20+ hours per day under thick, viscous product loads. The EP-SSVF63 with i=60-100 and IEC 80 or 90 frame motor provides the sustained low-speed, high-torque output needed for these demanding continuous processing applications.
🍻 High-Throughput Beverage Production
High-volume brewing fermentation rakes, CIP return pump drives, and keg-washing carousels operating in aggressive caustic and acid wash environments are prime applications for the EP-SSVF63. The electrolytically polished 304 SS body resists daily exposure to caustic soda and nitric acid CIP chemistry without pitting or surface degradation.
Selection Guide and Certifications
Selecting the Right Ratio and Motor Frame for the EP-SSVF63
Motor Frame Priority: For maximum torque, use 90B5 or 90B14 (ratios 7.5-30, key 24 mm). For the widest ratio coverage with standard 80-frame motors, use 80B5/80B14 (ratios 7.5-60, key 19 mm). For high-ratio slow-speed applications (40:1 to 100:1), IEC 71 frame (key 14 mm) covers the upper ratios.
Torque Estimation: Output torque (Nm) is approximately Motor rated power kW x ratio x 0.70 divided by (2 x pi x n_motor / 60). The 0.70 factor represents a conservative 70% worm gear efficiency. For applications requiring more than 80% of catalogue torque continuously, specify the next larger motor or contact Ever-power engineering for derating analysis.
Thermal Considerations: At high ambient temperatures above 40 degrees C or continuous duty cycles, verify thermal rating. Synthetic oil significantly extends the safe operating window. For intermittent duty cycles, brief peak torques are permissible — check with our engineering team.
Quality and Export Certifications
✅ ISO 9001:2015
✅ FDA-Compatible Materials
✅ RoHS Compliant
✅ H1 Food-Grade Oil Option
✅ Full Material Traceability Cert
Frequently Asked Questions — EP-SSVF63
Why choose the EP-SSVF63 over cast-iron worm gearboxes?
Cast-iron gearboxes corrode in wet, chemical, and wash-down environments, requiring expensive repainting, shortening service life, and introducing contamination risk. The EP-SSVF63 304 SS construction eliminates corrosion entirely, offering a 10-15+ year maintenance-free housing life and passing food and pharma hygiene audits that cast-iron fails. The initial cost premium is typically recovered within 2-3 years through eliminated repainting and maintenance labour costs.
What is the maximum input power for the EP-SSVF63?
The EP-SSVF63 is rated for IEC 90-frame motors (typically 1.1-1.5 kW at 4-pole 50Hz) at lower ratios (7.5-30), IEC 80-frame motors (0.55-0.75 kW) at ratios up to 60, and IEC 71-frame motors (0.37-0.55 kW) at ratios 40-100. Always calculate output torque against the rated output torque for the specific ratio and confirm thermal rating for continuous duty. Contact Ever-power for exact torque tables.
Can the EP-SSVF63 be used in submerged or partially flooded conditions?
The EP-SSVF63 is not designed for continuous full submersion as standard. For applications with frequent flooding or partial immersion such as fish processing spray zones or sluice gate actuators, specify upgraded IP69K double-lip seals and ensure the oil fill and vent system is positioned above the flood level. Contact our engineering team with your installation details for a submersion-duty specification review.
What lubrication interval does the EP-SSVF63 require?
Factory-filled with fully synthetic worm gear oil, the EP-SSVF63 requires oil change at approximately 10,000-15,000 operating hours under normal conditions (continuous duty, ambient 40 degrees C or below). For high-temperature, high-duty-cycle, or contaminated environments, reduce the interval to 5,000-8,000 hours. Always drain and refill after the initial 500-hour run-in. Oil volume should be confirmed from the installation manual provided with the unit.
Can I fit a torque arm to the EP-SSVF63 for shaft-mounted conveyor applications?
Yes. The SSVF063 torque arm has K1=150 mm, G=14 mm, KG=49 mm, KH=10 mm, R=18 mm, B=6 mm. It mounts to the gearbox body to react torque loads in drum-mount or shaft-mount conveyor installations. This eliminates the need for a separate conveyor frame bracket, enabling compact drive arrangements on inclined or horizontal conveyor head pulleys in meat, seafood, and poultry processing facilities.
What documentation can Ever-power provide for regulatory compliance?
Ever-power provides CE Declaration of Conformity, ISO 9001:2015 quality certificates, 304 SS material test certificates with heat number traceability, H1 lubricant compliance certificates on request, and RoHS compliance declaration. For pharmaceutical, food safety, and EU machinery directive compliance packages, contact our sales team with your specific regulatory requirements and facility auditor standards.
Is the EP-SSVF63 suitable for variable speed (VFD) operation?
Yes. The EP-SSVF63 operates well with variable frequency drives. For low-speed operation below about 400 RPM input, verify that splash lubrication remains adequate at the worm mesh — at very low speeds an oil with appropriate viscosity or supplementary lubrication may be needed. The synthetic oil fill performs across a wide temperature band, which suits the variable thermal load of VFD-controlled drives.
Customer Reviews
David W. — Chief Engineer, Abattoir Operator 🇦🇺 Australia
★★★★★ 5.0 / 5
“Converted our entire chiller conveyor system to EP-SSVF63 units after chronic corrosion problems with our previous cast-iron gearboxes. Fourteen months in — not a single corrosion callout. The IEC 90B5 flange accepted our existing motors and the self-locking at i=50 keeps the inclined conveyors stationary during wash-down. ROI was under 18 months when we factored in eliminated repainting and emergency repair costs.”
Heinrich B. — Maintenance Manager, Brewing Group 🇩🇪 Germany
★★★★★ 4.9 / 5
“Running EP-SSVF63 on our keg-wash carousel drives — daily caustic and acid CIP exposure that destroyed our previous aluminium units in under a year. After 22 months, the 304 SS housing looks like new. The torque arm mount made installation on our existing conveyor shaft a one-person, 2-hour job. Accurate dimension drawings simplified our CAD integration enormously.”
Priya S. — Project Engineer, Water Treatment Authority 🇮🇳 India
★★★★☆ 4.7 / 5
“Specified 6 EP-SSVF63 units for sludge scraper drives at our new treatment plant. Operating in H2S-rich atmosphere that normally devastates painted gearboxes within months. Two years into commissioning, zero corrosion issues and no oil leaks. CE and material certification documentation was essential for our government tender compliance — provided promptly and accurately by Ever-power.”
Compatible Motors and Accessories
Matching IEC Electric Motors
- ⚡ IEC 90 frame — B5 (N=130) or B14 (N=95) flange, single/three-phase AC (ratios 7.5-30, key 24 mm)
- ⚡ IEC 80 frame — B5 (N=130) or B14 (N=80) flange (ratios 7.5-60, key 19 mm)
- ⚡ IEC 71 frame — B5 or B14 flange (ratios 40-100, key 14 mm)
Accessories for EP-SSVF63
📄 Output Flange SSVF063F
KA=82, KB=10, KC=6, KD=29, KM=150, KN=115, KQ=142, KP=180 mm. a1=45 degrees, 11 mm holes. Heavy-duty flange for direct coupling to large driven equipment hubs.
⚙ Solid Output Shafts (DS/SS)
d=25 mm 304 SS, 8 mm keyway (b1), t1=28 mm, M10x27 retaining thread. Single shaft L=173 mm (SS); double shaft L1=219 mm (DS). Longer than SSVF50 shafts for wider coupling placement.
🔧 Torque Arm SSVF063
K1=150, G=14, KG=49, KH=10, R=18, B=6 mm. Largest torque arm in the SSVF range — designed for heavy conveyor drum-mount duty. Bolt-on installation directly to the gearbox body.
Ever-power Manufacturing Quality
Specify the EP-SSVF63 for Your Next Heavy-Duty Hygienic Project
Distribution partnerships, OEM supply agreements, and project-specific volume pricing available. Our application engineers provide full installation support, ratio selection, and compliance documentation packages for regulated industries.
