Description
EP-SSGM40 Stainless Steel Worm Gear Reducer — Upgraded Torque for Demanding Hygienic Drives
The EP-SSGM40 occupies the critical middle ground in Ever-power’s SSRGM stainless steel worm gear series — delivering substantially more output torque than the compact SSRGM30 while retaining the same corrosion-proof 304 stainless steel construction that hygienic-environment engineers demand. With a 40mm center distance, the EP-SSGM40 accepts larger IEC frame motors up to 90 frame, making it a practical upgrade path when production capacity grows. Beverage bottling lines, packaging machine rotary actuators, and chemical plant agitator drives are among the high-volume applications where the EP-SSGM40 consistently outperforms painted cast-iron alternatives in total uptime and cleaning-cycle durability. The 12-2 tin bronze worm wheel ensures smooth, efficient torque transfer while the all-six-sides-machined housing eliminates surface irregularities that would otherwise harbor bacteria or be attacked by aggressive cleaning agents. For plant engineers specifying drives in FDA, EHEDG, or HACCP-controlled zones, the EP-SSGM40 represents a field-proven, specification-compliant solution.
⚙ Technical Specifications — EP-SSGM40
| Parameter | Specification |
|---|---|
| Model | EP-SSGM40 |
| Housing Material | 304 Stainless Steel — precision cast, all 6 sides machined |
| Worm Gear Material | 12-2 Tin Bronze |
| Wheel Core Material | 304 Stainless Steel |
| Lubricant | Fully Synthetic Worm Gear Oil |
| Center Distance | 40 mm |
| Available Reduction Ratios | 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 |
| Motor Flange Options | 56B5 / 63B5 / 71B5 / 80B5 / 90B5 |
| Output Shaft Configurations | A (single solid), B (single solid alt), D (protective cover), E (torque arm), Output Flange |
| Output Shaft Hole Diameter | 10 – 40 mm (ratio dependent) |
| Mounting Positions | Any position (universal mounting) |
| Protection Rating | IP65 (washdown-ready) |
| Operating Temperature | -10°C to +90°C |
| Series | SSRGM — Stainless Steel Worm Gear Reducer |
| Motor Flange | D (mm) | M (mm) | P (mm) | d (mm) | BH | BU | E |
|---|---|---|---|---|---|---|---|
| 56B5 | 65 | 80 | – | 6 | 4.5 | 5.5 | 4 |
| 63B5 | 65 | 100 | – | 6 | 6.5 | 7.5 | 4 |
| 71B5 | 85 | 115 | – | 9 | 14.4 | 5 | 6 |
| 80B5 | 100 | 130 | 165 | 9 | 21.8 | 6 | 6 |
| 90B5 | 115 | 140 | 185 | 11 | 23.8 | 6 | 6 |
✓ Core Features & Engineering Advantages
📈 Higher Torque Output vs Size-30 — Same Footprint Philosophy
The step from 30mm to 40mm center distance delivers a significant torque increase — typically 1.8× more output torque at equivalent input power. This makes the EP-SSGM40 the preferred choice when production engineers need more drive force to overcome higher friction, heavier conveyor loads, or thicker product viscosity without changing the machine frame architecture.
🆕 Extended Motor Frame Compatibility — Up to IEC 90
While the EP-SSGM30 tops out at frame 80, the EP-SSGM40 accepts IEC B5 motors up to 90 frame, unlocking input powers to approximately 1.5 kW. This compatibility range means one gearbox model can serve both low-power indexing duties and moderate-power continuous conveyor drives — simplifying stocking requirements for maintenance teams.
🍔 HACCP-Compatible Hygienic Surface Finish
All six machined faces of the EP-SSGM40 housing achieve a surface finish that meets HACCP zone equipment guidelines. No paint, no powder coat, no porous casting surfaces. The result is a gearbox that can be integrated directly into food-contact-adjacent zones in poultry processing, dairy packaging, and ready-meal production without triggering audit findings.
🕔 High Ratio Range Extends to 100:1
Unlike the SSRGM30 which offers ratios up to 80:1, the EP-SSGM40 extends the range to 100:1 in a single-stage reduction. This enables very low output speeds from standard 4-pole AC motors without needing a two-stage gearbox, reducing cost and complexity in slow-speed agitator and valve positioning applications.
🛠 Output Flange Mounting Option
The EP-SSGM40 adds an output flange mounting configuration not always available on smaller size reducers. This flange output simplifies integration with hollow-bore actuators, rotary tables, and inline drive shaft couplings — particularly useful in beverage bottling carousel drives and pharmaceutical tablet press feeders where coaxial alignment is mandatory.
🏢 Application Industries & Typical Use Cases
🍾 Beverage Bottling & Filling Lines
Beverage plants running CIP (clean-in-place) cycles demand gearboxes that withstand daily caustic and acid washes. The EP-SSGM40 drives bottle rinser carousels, capping machine heads, labeling turntable indexers, and filling valve actuators without suffering surface degradation from sodium hydroxide or peracetic acid cleaning agents. Its higher torque versus size-30 handles the resistance of thicker beverages such as juices and dairy drinks.
🔧 Chemical Processing & Dosing Systems
In chemical manufacturing where sulfuric acid, chlorine compounds, or industrial solvents are present, standard painted reducers corrode rapidly. The EP-SSGM40’s 304 SS housing resists a wide range of chemical media, making it the go-to choice for metering pump drives, chemical reactor agitators, and dosing valve positioners where long-term chemical resistance is non-negotiable.
🛍 Packaging & Labeling Machinery
Packaging OEMs building machines for food, cosmetics, and pharmaceutical customers increasingly specify stainless gearboxes as standard to satisfy end-customer audit requirements. The EP-SSGM40 fits IEC frame motors up to 90, covering power requirements of horizontal form-fill-seal machines, pouch filling conveyors, and shrink-tunnel belt drives in a compact stainless package.
💧 Water Treatment & Environmental Systems
Municipal and industrial water treatment installations require drives that resist constant moisture, chlorine, and biofilm in wet well and pump room environments. The EP-SSGM40 drives sluice gate actuators, drum screen wipers, UV lamp positioners, and chemical feed pump heads with long service intervals and minimal corrosion maintenance.
📚 Selection Guide, Certifications & FAQ
How to Choose the Right EP-SSGM40 Ratio & Configuration
Begin by calculating your required output torque (Nm) from the load inertia and acceleration requirements of your application. Then determine the target output speed (RPM) — most worm gear applications run between 5 and 100 RPM output. Divide standard motor speed (e.g. 1400 RPM for 4-pole 50Hz motor) by your target output RPM to find the ideal ratio. Select the closest available ratio in the EP-SSGM40 range (5:1 to 100:1). For viscous product handling or heavy conveyor start-up loads, apply a service factor of 1.5–2.0× to the nominal torque when selecting. Contact our team at [email protected] with your application duty cycle for engineering verification.
✅ Certifications & Quality Standards
✓ ISO 9001:2015
✓ HACCP-Compatible Materials
✓ RoHS Compliant
✓ IP65 Protection
✓ Food-Grade Synthetic Oil
❓ Frequently Asked Questions — EP-SSGM40
How much more torque does the EP-SSGM40 provide compared to the EP-SSGM30?
The EP-SSGM40 offers approximately 1.8 to 2.2 times more output torque than the EP-SSGM30 at equivalent input power and ratio, owing to its larger 40mm center distance and correspondingly larger worm and wheel geometry. This makes it the preferred choice for applications where the SSRGM30 is marginally undersized — such as heavier conveyor loads, higher-viscosity product filling, or applications with frequent start-stop cycling that demands higher peak torque capability.
Can the EP-SSGM40 be used in EHEDG-certified food processing lines?
The EP-SSGM40 is constructed from 304 stainless steel with fully machined external surfaces and uses food-compatible synthetic gear oil. These material and construction characteristics align with EHEDG (European Hygienic Engineering and Design Group) principles for hygienic equipment design. While the gearbox itself is not individually EHEDG-certified as a standalone component, it can be incorporated into EHEDG-compliant machine designs in indirect food-contact zones. For direct food-zone installations or formal EHEDG certification submissions, our technical team can advise on seal upgrades and documentation support.
What is the efficiency of the EP-SSGM40 at different reduction ratios?
Worm gear efficiency is inherently ratio-dependent. At low ratios (5:1 to 15:1), the EP-SSGM40 achieves approximately 80–90% efficiency. As ratio increases toward 100:1, efficiency decreases to approximately 40–60% — this is a characteristic of worm gear geometry and is offset by the torque multiplication benefit. The fully synthetic gear oil used in the EP-SSGM40 minimizes viscous drag and maximizes efficiency versus mineral-oil-filled alternatives. For high-duty-cycle continuous operations at high ratios, thermal rating should be verified with our engineering team.
Is the EP-SSGM40 available with a hollow output shaft?
The EP-SSGM40 standard configurations include solid output shafts (Type A and B) and an output flange mounting option. A hollow output shaft version is available on request for OEM orders, allowing direct shrink-disc mounting onto driven shafts without a coupling. This configuration is particularly popular in conveyor head drum drives and agitator shaft installations. Contact our sales team with your shaft diameter and torque requirements for a custom hollow-shaft quotation.
Can EP-SSGM40 operate submerged or in high-humidity outdoor environments?
The EP-SSGM40 carries IP65 protection as standard, providing complete dust exclusion and protection against water jets from any direction. It is suitable for outdoor installations, wet production areas, and environments with high condensation. For intermittent partial submersion applications (e.g., flood-prone pump stations), additional shaft seal upgrades to IP66 or IP67 are available on request. The 304 stainless steel housing will not corrode even in permanently humid or salt-spray coastal environments.
How does the EP-SSGM40 reduce total cost of ownership versus cast iron alternatives?
In hygienic or corrosive environments, cast iron worm reducers typically require repainting every 2–3 years, risk product contamination from paint flaking, and may corrode internally if shaft seals degrade. The EP-SSGM40 eliminates painting maintenance entirely, survives aggressive chemical wash cycles without degradation, and the 304 SS housing lasts the operational life of the machine. The synthetic lubricant also has extended service intervals. Combined, these factors deliver significantly lower total cost of ownership despite a higher initial price point versus painted cast-iron alternatives.
⭐ Customer Reviews
Sarah Donovan — Beverage Plant Engineer
Australia 🇦🇺 ★★★★★ 5.0
“We specified EP-SSGM40 units across our juice bottling carousel drives after constant rust problems with our previous painted gearboxes. The difference after 18 months of daily CIP wash cycles is night and day — zero corrosion, zero contamination incidents. Our QA auditors were specifically impressed by the fully machined stainless housing. Highly satisfied.”
Luca Ricci — Chemical Process Equipment OEM
Italy 🇮🇹 ★★★★★ 5.0
“Our chemical reactor agitator drives operate in hydrochloric acid vapour environments. We tried three other gearbox brands over five years — all corroded within 8 months. The EP-SSGM40 at 40:1 ratio has been running 24/7 for two years with no signs of corrosion or oil degradation. The 100:1 ratio option also solved our slow-speed dosing pump drive challenge elegantly.”
Wei Jianming — Packaging Machinery Manufacturer
China 🇨🇳 ★★★★☆ 4.5
“We build horizontal form-fill-seal machines for pharmaceutical clients who demand stainless drives throughout. The EP-SSGM40 with IEC 80 motor fits our film-drive conveyor section perfectly. Dimensional repeatability across our batch orders has been consistent — important for our assembly line. Would appreciate faster technical documentation response time, hence 4.5 stars.”
🔗 Related Products & Compatible Accessories
⚡ Compatible IEC Motors
○ IEC Frame 56–63 B5 Flange Single/Three-Phase AC Motor (0.06–0.18 kW)
○ IEC Frame 71 B5 Flange Three-Phase AC Motor (0.25–0.37 kW)
○ IEC Frame 80 B5 Flange Three-Phase AC Motor (0.37–0.75 kW)
○ IEC Frame 90 B5 Flange Three-Phase AC Motor (0.75–1.5 kW)
○ VFD inverter-duty motors for variable speed applications
🔧 Optional Accessories
○ Output Flanges — B5/B14 stainless output flanges for hollow-bore mounting
○ Single Solid Output Shaft — DIN 6885 keyway, stainless steel
○ Double Solid Output Shaft — dual-end output for tandem or bilateral drives
○ Torque Arms (Type E) — stainless steel reactive torque bracket
○ Protective End Cover (Type D) — IP65 output cover
○ High-temperature synthetic lubricant for elevated ambient operation
Specify EP-SSGM40 for Your Next Hygienic Drive Project
Ever-power supports global OEMs, distributors, and systems integrators with competitive pricing, full technical documentation, and responsive engineering support for the EP-SSGM40 stainless steel worm gear reducer.
📧 Request a Quote
🏭 About Ever-power
✉ [email protected] | Distributor & OEM Partnership Enquiries Welcome
