Descripción
EP-SSVF50 — Stainless Steel VF Worm Gear Reducer Overview
Mid-range food and pharmaceutical drives that specify a face-mount hollow-flange worm reducer with 0.12–0.37 kW input power and compatibility with 63–80 IEC motor frames need a product that combines the VF body’s installation advantages with full 304 stainless corrosion resistance. The EP-SSVF50 Stainless Steel VF Worm Gear Reducer fills this specification with a size-50 304 precision-cast, electropolished housing, Ø25 mm 304 stainless output shaft, and six PAM-IEC flange options covering 63–80 frame motors. In the SSVF series, the SSVF50 is the first model to offer Ø25 mm output shaft geometry — a significant step-up in radial load capacity from the 18 mm shaft of the SSVF40 — and adds 80B5/B14 motor compatibility, unlocking 0.18–0.37 kW applications on dairy lines, bottling machines, and hygienic chemical pump drives.


Technical Specifications — EP-SSVF50

Motor Flange Mounting Dimensions
| PAM-IEC | N(H8) | M | P | b1 | t1 | N(FB) 7.5–60 | N(FB) 80–100 | D(H7) | b | t |
|---|---|---|---|---|---|---|---|---|---|---|
| 80B5 | 130 | 165 | 200 | 6 | 21.8 | 19/19/19/19/19/19 | – | 25 | 8 | 28.3 |
| 80B14 | 80 | 100 | 120 | 6 | 21.8 | 19/19/19/19/19/19 | – | 25 | 8 | 28.3 |
| 71B5 | 110 | 130 | 160 | 5 | 16.3 | 14/14/14/14/14/14/14/14 | 14/14/14/14/14 | 25 | 8 | 28.3 |
| 71B14 | 70 | 85 | 105 | 5 | 16.3 | 14/14/14/14/14/14/14/14 | 14/14/14/14/14 | 25 | 8 | 28.3 |
| 63B5 | 95 | 115 | 140 | 4 | 12.8 | – | 11/11/11/11 | 25 | 8 | 28.3 |
| 63B14 | 60 | 75 | 90 | 4 | 12.8 | – | 11/11/11/11 | 25 | 8 | 28.3 |
* Non-standard product, order on request.
304 SS Output Shaft Dimensions

| d (mm) | B | B1 | G1 | L | L1 | f (thread) | b1 | t1 |
|---|---|---|---|---|---|---|---|---|
| Ø25 mm | 50 | 53.5 | 92 | 153 | 199 | M10×27 | 8 | 28 |
304 SS Torque Arm Dimensions

| K1 (mm) | G (mm) | KG (mm) | KH (mm) | R (mm) | B (mm) |
|---|---|---|---|---|---|
| 100 | 14 | 38.5 | 10 | 18 | 4 |
Output Flange Dimensions (..F Option)

| α1 | KA (mm) | KB (mm) | KC (mm) | KD (mm) | KM (mm) | KN (mm) | KO (qty) | KP (mm) | KQ (mm) |
|---|---|---|---|---|---|---|---|---|---|
| 45° | 90 | 9 | 5 | 46.5 | 85 | 70 | 11 | 125 | 110 |
Core Features & Benefits
Ø25 mm 304 SS Output Shaft — 40% Higher Radial Load than SSVF40
The step from Ø18 mm (SSVF40) to Ø25 mm output shaft in the SSVF50 increases the permissible radial overhang load by approximately 40%, enabling direct sprocket or pulley mounting without an outboard support bearing on most light industrial applications.
Six PAM-IEC Flange Options (63–80 Frame) — Broadest Power Coverage
Accepting 80B5, 80B14, 71B5, 71B14, 63B5, and 63B14 adapters in the size-50 housing gives system integrators the widest motor compatibility in the compact-drive class, from 0.12 kW (63 frame) to 0.37 kW (80 frame) without housing changes.
Ø108 mm Input Flange Face — Direct 80B5 Motor Integration
The 134 mm overall length and Ø108 mm motor-face bore of the SSVF50 accept 80B5 motors directly, enabling a compact 0.37 kW motorised drive assembly that is 20–25% shorter in the axial direction than an equivalent RV-body (SSRV050) combination.
Output Flange KM=85 mm PCD — Standard VF50 Mating Geometry
The SSVF50..F output flange (KA=90 mm, KM=85 mm, 11 bolt positions) matches the standard VF50 output-flange mating geometry used across the industry, ensuring drop-in compatibility with existing VF50 machine designs upgrading to stainless.
Torque Arm K1=100 mm — 304 SS, Same Material as Housing
The optional 304 SS torque arm (K1=100 mm, G=14 mm, KG=38.5 mm) maintains full material consistency for shaft-mount configurations, eliminating the galvanic-corrosion risk of mixing carbon-steel accessories with a stainless housing.


Industry Applications & Typical Use Cases
Dairy Processing & Filling Lines
Yoghurt and cream filling heads, CIP-return conveyors, and slow-speed paddle agitators in dairy plants specify the SSVF50 for its corrosion resistance in lactate and caustic environments and its 0.37 kW maximum power handling.
Beverage & Juice Processing
Juice-extraction conveyor drives and bottle-rinse carousels in beverage plants select the SSVF50 for its face-mount integration, stainless wetted surfaces, and the 80B5 motor flange option enabling 0.25–0.37 kW drive configurations.
Hygienic Chemical Pump Drives
Gear-pump and centrifugal-pump drives in pharmaceutical API manufacturing and specialty-chemical plants use the SSVF50’s VF hollow-flange for direct integration onto the pump head, eliminating coupling misalignment.
Greenhouse & Hydroponic Automation
Grow-light positioning drives and nutrient-dosing pump gearboxes in commercial greenhouse operations use the SSVF50’s compact stainless construction and multi-position mounting versatility.
Automated Liquid Sampling Systems
Slow-speed rotary sampling conveyors and fraction-collector drives in process-analytics and quality labs specify the SSVF50 for its precise ratio selection and repeatable, low-backlash worm gear mesh.
Selection Guide, FAQ & Customer Reviews
How to Select the Right SSVF Model
1. Define required output torque (Nm) and output speed (rpm) from your process requirements. 2. Calculate ratio = motor speed ÷ output speed. 3. Match motor frame to available PAM-IEC adapters for EP-SSVF50. 4. Check VF flange compatibility — confirm your driven-machine flange accepts the SSVF50 output-flange PCD (KP=125 mm, 11 bolt holes). 5. Specify accessories — 304 SS output shaft (DS/SS), torque arm, or ..F flange option as needed.
Certifications & Quality Standards
❓ Frequently Asked Questions
⭐ Customer Reviews
“We run SSVF50s on our cream-filling conveyor drives in a three-shift CIP environment. The face-mount VF design gave us a significantly shorter drive train than our previous SSRV units. Eighteen months in caustic wash cycles — no corrosion, no seal failures. The 80B5 flange option was exactly what our motors needed.”
Jason Williams — Dairy Line Engineering Pty
Australia 🇦🇺
“Installed on our cheese-brine conveyor agitators. The stainless VF50 design passed our internal hygiene audit to EHEDG standards at first inspection. We particularly value the pre-filled H1 food-grade oil — one less compliance step during commissioning.”
Anne-Laure Bernard — Fromagerie Industrielle SA
France 🇫🇷
“Using SSVF50 on juice-extractor conveyor drives. VF face-mount simplified our machine assembly considerably. Stainless construction handles our orange-acid environment that was destroying our aluminium drives. Good product — clearer thermal-rating data in English would help.”
Rafael Herrera — Procesado Lácteo Ltda
Mexico 🇲🇽
🔗 Related Products & Accessories
Stainless B5/B14 IEC motors in frames 80–63B. Direct face-mount to EP-SSVF50 input flange.
Ø25 mm 304 SS DS and SS output shafts. L=153 mm.
304 SS torque arm for shaft-mount. K1=100 mm.
304 SS output flange for direct vessel coupling. KP=125 mm PCD, 11 bolt positions.
🏭 Manufacturing & Quality



✉ Get a Quote for EP-SSVF50
The EP-SSVF50 — compact stainless face-mount drive for food, dairy, and chemical lines. Contact Ever-power for a technical datasheet and competitive quotation.
✓ OEM & Distributor enquiries welcome | ✓ Custom configurations available | ✓ Full stainless motor-gearbox assemblies


