Mô tả
EP-SSGM90 Stainless Steel Worm Gear Reducer — Flagship Maximum-Torque Drive with Full Stainless Construction
The EP-SSGM90 is the largest and most powerful unit in Ever-power’s SSGM stainless steel worm gear reducer series — the definitive solution for engineers who refuse to compromise on either corrosion resistance or output torque capacity. At 90mm center distance, the SSGM90 delivers the maximum output torque in the series while maintaining the precision-machined 304 stainless steel construction that makes every SSGM unit immune to the corrosion, contamination, and coating failures that plague painted cast-iron and aluminium alloy alternatives in harsh environments. For drive engineers specifying large desalination plant pump gate drives, offshore fish farm rotating equipment, heavy sugar refinery crystalliser drives, bulk material handling conveyors in wet environments, and large wastewater treatment infrastructure, the EP-SSGM90 represents the upper limit of what a single-stage stainless steel worm reducer can deliver — without any compromise in construction quality or material integrity. The full 12-2 tin bronze worm wheel, running in fully synthetic gear oil within a six-face-machined 304 SS housing, provides smooth, efficient torque transmission across the entire ratio range from 5:1 to 100:1, backed by Ever-power’s ISO 9001:2015 quality management system and CE certification.
⚙ Technical Specifications — EP-SSGM90
| Tham số | Thông số kỹ thuật |
|---|---|
| Model | EP-SSGM90 |
| Vật liệu xây nhà | 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 | 90 mm |
| Available Reduction Ratios | 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 |
| Motor Flange Options | 90B5 / 100B5 / 112B5 / 132B5 / 160B5 |
| Output Shaft Configurations | A (single solid), B (single solid alt), D (protective cover), E (torque arm), Output Flange |
| Output Shaft Hole Diameter | 25 – 90 mm (ratio dependent) |
| Mounting Positions | Any position (universal mounting) |
| Protection Rating | IP65 (washdown-ready) |
| Operating Temperature | -10°C to +90°C |
| Series | SSGM — Stainless Steel Worm Gear Reducer (Flagship) |
| Motor Flange | D (mm) | M (mm) | P (mm) | d (mm) | BH | BU | E |
|---|---|---|---|---|---|---|---|
| 90B5 | 115 | 140 | 185 | 11 | 37.8 | 8 | 8 |
| 100B5 | 130 | 165 | 215 | 11 | 37.8 | 8 | 8 |
| 112B5 | 130 | 165 | 265 | 11 | 37.8 | 8 | 8 |
| 132B5 | 130 | 165 | 300 | 11 | 37.8 | 8 | 8 |
| 160B5 | 180 | 250 | 350 | 15 | 37.8 | 8 | 8 |
✓ Core Features & Engineering Advantages
🏆 Maximum Output Torque in the SSGM Series
The EP-SSGM90 delivers the highest output torque of any unit in the SSGM stainless steel series. At 90mm center distance, the worm gear geometry produces output torque levels that cover the most demanding single-stage stainless reducer applications — heavy bulk-material conveyor drives, large industrial agitators, and major water infrastructure actuators — without stepping outside the SSGM series into larger, heavier specialty gearbox categories.
⚡ IEC 160 Frame Motor — Up to ~15 kW Input Power
The exclusive capability to accept IEC frame 160 B5 motors — covering input powers up to approximately 15 kW — sets the EP-SSGM90 apart from every other unit in the SSGM range. This motor frame size covers large three-phase motors used in bulk conveyor main drives, agitator drives for large process vessels, and heavy infrastructure actuators. No other SSGM model provides this power input range within a stainless housing.
🌊 Offshore & Subsea Environment Proven
The EP-SSGM90’s all-stainless construction makes it the go-to specification for offshore platform deck drives, large marine aquaculture cage rotation systems, and coastal heavy plant equipment that operates in permanent salt-air or intermittent seawater exposure. At this torque level, the alternative would be a heavy painted cast-iron industrial worm gearbox — which would corrode rapidly and require repainting every 1–2 years in offshore conditions.
📌 Maximum Self-Locking Load Capacity
At ratios ≥ 30:1, the EP-SSGM90 provides self-locking under the highest static loads in the SSGM series — capable of holding heavy gate structures, large valve discs, and elevated conveyor loads in position without a brake. For large infrastructure applications where back-drive under load could cause significant damage or safety risk, this self-locking capacity at size-90 torque levels provides a level of passive safety that no helical or bevel-helical gearbox can match.
🔧 Largest Output Shaft — Up to 90 mm Diameter
The EP-SSGM90 accommodates output shaft hole diameters up to 90mm — the largest in the SSGM series — directly coupling with the heavy driven shafts of large process equipment without intermediate reduction couplings. This shaft capacity covers the full range of large industrial drive connections: heavy conveyor drum hubs, large agitator stubs, marine propulsion auxiliary drives, and major infrastructure valve stems.
🏢 Application Industries & Typical Use Cases
🌊 Offshore Marine & Aquaculture Infrastructure
At size 90, the EP-SSGM90 handles the large-scale offshore and marine applications that smaller SSGM models cannot cover — large offshore cage rotation drives for open-ocean salmon farms, marine boarding bridge actuators, offshore crane auxiliary positioning drives, platform mooring winch assist drives, and ship deck hatch actuator systems. The 304 SS construction and IP65 rating provide indefinite resistance to the salt-air and sea-spray exposure that is the constant reality of offshore operations.
💧 Major Water & Desalination Infrastructure
Large desalination plants, major pumping stations, and regional water treatment infrastructure require gearboxes capable of operating heavy sluice gates and large valve actuators in permanently wet, high-chloride environments. The EP-SSGM90 powers major sluice gate actuators on dam spillways, large-bore butterfly valve drives, desalination intake screen rotation drives, clarifier thickener rake drives, and brine recirculation pump gear drives — all requiring the maximum torque capacity of the SSGM series.
🚪 Bulk Material Handling in Wet Environments
Large coal terminals, port grain handling facilities, and coastal cement plants operate heavy belt conveyor drive systems in permanently salt-laden, rain-exposed environments. The EP-SSGM90 drives large bulk conveyor head drive drums, ship-unloader conveyor belt drives, grain elevator head drives, and stacker-reclaimer drive units where the combination of maximum torque and stainless corrosion resistance delivers uptime performance that painted alternatives simply cannot sustain in coastal bulk terminal conditions.
🏭 Heavy Process Industry — Chemical & Petrochemical
At maximum torque in the SSGM range, the EP-SSGM90 addresses the heavy agitator and reactor drive applications that go beyond what smaller stainless reducers can handle. It drives large chemical reactor agitator shafts, polymerisation vessel paddle drives, crystallisation tank mixer drives, and large slurry pump gear drives in chemical and petrochemical plants where both the torque requirement and the chemical corrosion exposure demand a 304 SS solution at this power level.
📚 Selection Guide, Certifications & FAQ
Engineering the EP-SSGM90 Into Your Most Demanding Application
The EP-SSGM90 is the final selection when no smaller SSGM model can meet your peak torque requirement, or when motor power above 7.5 kW is needed in a stainless steel reducer package. For the largest applications in the SSGM range, always calculate peak torque with a service factor appropriate to your load type: 1.5× for smooth continuous loads, 2.0× for moderate shock, 2.5–3.0× for heavy shock or frequent reversing. The SSGM90 at IEC 160 frame covers input powers up to approximately 15 kW — if your application requires more than this in a worm gear format, contact our technical team to discuss custom or two-stage configurations. For maximum output torque at low ratios (5:1–10:1), thermal capacity at continuous full load must be confirmed for your ambient temperature and duty cycle profile — our team will provide a formal thermal calculation on request. For offshore or marine structural installations, provide your corrosive media details and we will advise on whether standard 304 SS or a 316L upgrade is warranted. Contact [email protected] for full engineering support on your EP-SSGM90 application.
✅ Certifications & Quality Standards
✓ ISO 9001:2015
✓ 304 SS Material Certified
✓ RoHS Compliant
✓ IP65 Protection
✓ Fully Synthetic Lubricant
❓ Frequently Asked Questions — EP-SSGM90
What makes the EP-SSGM90 the right choice over a standard industrial worm gearbox?
The EP-SSGM90 delivers equivalent or superior torque to standard large industrial worm gearboxes while providing full 304 stainless steel corrosion immunity that painted cast-iron or aluminium alternatives simply cannot match in harsh environments. For applications in marine, chemical, food processing, or washdown-intensive industries, the SSGM90 eliminates the recurring costs of repainting, rust treatment, and corrosion-driven replacement while maintaining the worm gear’s inherent self-locking characteristic at high ratios. The total cost of ownership over a 5–10 year plant lifecycle in a corrosive environment consistently favours the EP-SSGM90 over cheaper but maintenance-intensive alternatives.
Can the EP-SSGM90 be used for two-stage speed reduction when very low output speeds are needed?
The EP-SSGM90 achieves single-stage reduction ratios up to 100:1, bringing a standard 1400 RPM motor down to approximately 14 RPM in one stage. For output speeds below 14 RPM or when a single-stage ratio does not meet the speed or torque requirement, two EP-SSGM units can be coupled in series — or a secondary stage using a separate SSGM model can be specified. For very low-speed, very high-torque applications that require two-stage reduction with stainless construction throughout, contact our engineering team for a two-stage stainless system quotation.
What is the torque holding capacity of the EP-SSGM90 self-locking mechanism?
At ratios ≥ 30:1, the EP-SSGM90 provides inherent self-locking under static back-drive loads. The holding capacity of the self-locking mechanism is related to the output torque rating at the selected ratio — the gearbox will hold static loads up to approximately 50–60% of its rated output torque indefinitely without requiring motor power. For safety-critical applications where load holding is a primary function (dam gate actuators, large valve positioners), verify the maximum static holding torque against your worst-case back-drive load with our engineering team, and comply with applicable machinery safety standards.
How is the EP-SSGM90 installed in a floating-motor torque arm configuration?
The Type E torque arm configuration mounts the EP-SSGM90 directly onto the driven shaft — typically a conveyor drum or agitator shaft — and uses a stainless steel torque arm bracket anchored to a fixed structural support to absorb the reactive torque. This eliminates the need for a separate motor and gearbox mounting structure, simplifying installation significantly. The torque arm is supplied as a standard accessory and is designed for the rated output torque of the SSGM90. Full dimensional drawings for the torque arm anchor bracket are included in the technical package. Contact our team for installation guidance specific to your structural arrangement.
Is the EP-SSGM90 available with dual output shafts for split-drive applications?
Yes, a double solid output shaft configuration is available for OEM orders, providing simultaneous output drive from both sides of the gearbox. This is particularly useful for wide conveyor drives requiring bilateral shaft support, dual-sided mixer paddle drives, and twin-screw conveyor centre drives. Double output shaft units require that the total combined output torque on both shafts does not exceed the gearbox’s single-shaft rated output torque. Contact our sales team for double-output-shaft dimensioning and configuration options.
What distributor and partnership opportunities are available for the EP-SSGM90 and SSGM series?
Ever-power actively seeks regional distributors, OEM supply partners, and system integrators for the full SSGM stainless steel worm gear reducer series including the EP-SSGM90. We offer competitive distributor pricing tiers based on annual volume, technical sales support, co-branded marketing materials, and priority order processing for certified distribution partners. Industries of particular interest for partnership include food processing, marine and offshore equipment, water infrastructure, and chemical processing. Send your company profile and region to [email protected] to initiate a partnership discussion.
⭐ Customer Reviews
David Brennan — Water Infrastructure Project Engineer
Australia 🇦🇺 ★★★★★ 5.0
“We specified EP-SSGM90 units for large sluice gate actuators on a major regional desalination intake upgrade project. The self-locking at 50:1 ratio holds 2.4-metre gate panels against full tidal head pressure without any powered holding. The 304 SS construction has shown zero degradation after 18 months in high-brine coastal service. The engineering documentation provided by Ever-power met our project specification requirements without needing any supplements.”
Erik Magnusson — Offshore Aquaculture Equipment Director
Norway 🇳🇴 ★★★★★ 5.0
“We operate large open-ocean salmon farm pens in exposed North Sea locations. The EP-SSGM90 with IEC 132 motor drives our largest cage rotation systems — 40-metre diameter pens. Three full years of operation in constant salt spray, waves, and sub-zero winter temperatures, and these units continue to perform flawlessly. We have now standardised the full SSGM range across our entire fleet. Exceptional product and responsive technical support team.”
Chen Jianbo — Heavy Process Equipment OEM
China 🇨🇳 ★★★★☆ 4.5
“We manufacture large chemical reactor agitator systems and have been specifying EP-SSGM90 at 15:1 ratio with IEC 160 motors for our biggest reactor vessels. Torque capacity is excellent and the 304 SS housing satisfies our chemical process client specifications. Dimensional consistency across production batches is very good. Technical data sheets could be more detailed on thermal derating curves — that is our only request for improvement.”
🔗 Related Products & Compatible Accessories
⚡ Compatible IEC Motors
○ IEC Frame 90 B5 Three-Phase AC Motor (0.75–1.5 kW)
○ IEC Frame 100 B5 Three-Phase AC Motor (1.5–2.2 kW)
○ IEC Frame 112 B5 Three-Phase AC Motor (2.2–4.0 kW)
○ IEC Frame 132 B5 Three-Phase AC Motor (4.0–7.5 kW)
○ IEC Frame 160 B5 Three-Phase AC Motor (7.5–15 kW)
○ ATEX/Ex d rated motors — offshore and chemical hazardous area
🔧 Optional Accessories
○ Hollow Output Shaft — direct shrink-disc large drum/shaft mounting
○ Double Solid Output Shaft — bilateral drive for wide conveyors/mixers
○ Heavy-Duty Output Flanges — large B5/B14 stainless flanges
○ Torque Arms (Type E) — structural stainless reaction bracket
○ IP67 shaft seal upgrade — direct seawater exposure / offshore deck
○ 316L stainless housing upgrade — direct seawater / high-brine
○ Oil cooler accessory — continuous full-load high-ambient operation
○ Two-stage stainless system — for output speeds below 14 RPM
🏆 Source the EP-SSGM90 — Flagship Stainless Steel Worm Reducer
Ever-power’s EP-SSGM90 is the definitive stainless worm reducer for your most demanding industrial, marine, and infrastructure applications. We support global OEMs, distributors, and project engineers with full technical documentation, application engineering, and flexible volume supply programs. Distributor and partnership enquiries are strongly welcomed.
📧 Request Quote & Engineering Support
🏭 About Ever-power
✉ [email protected] | Global Distributor & OEM Partnership Opportunities
