Descrizione
Engineered for the Demands of UK Industry
A stainless steel triplex roller chain is one of the most capable power transmission components available for industrial machinery. By linking three parallel strand assemblies through common precision-ground pins, the triplex configuration achieves load capacities that significantly exceed what a simplex or duplex chain of the same pitch can deliver. At the same time, using stainless steel — typically AISI 304 or AISI 316 — means the chain maintains structural integrity in the kinds of harsh, wet, or chemically aggressive environments that are common throughout UK manufacturing, food processing, marine engineering, and pharmaceutical production facilities.
Ever Power has been designing and supplying roller chains for over 18 years, working with procurement managers, maintenance engineers, and OEM designers across England, Scotland, Wales, and Northern Ireland. Our stainless steel triplex roller chains are produced to strict dimensional tolerances aligned with ISO 606 and BS/DIN standards, ensuring compatibility with existing sprocket sets and gearboxes. Whether you are specifying a new conveyor system for a bottling plant in the Midlands or sourcing a replacement chain for an ageing offshore lifting unit in Aberdeen, our C-SS and C-BSS series provides a reliable, long-lasting solution backed by full technical support from our application engineering team.
The range spans twelve standard configurations — from the compact C40SS-3 at 12.7 mm pitch with a 27.5 kN minimum breaking load, all the way up to the heavy-duty C24BSS-3 at 38.1 mm pitch rated to 255 kN ultimate tensile strength. That breadth of coverage means UK buyers can source the correct triplex roller chain for light-duty packaging drives and high-torque heavy-industry applications from a single, experienced supplier with the manufacturing capability to also handle fully customised orders.
Six Reasons UK Engineers Specify Our Triplex Roller Chains
Outstanding Corrosion Resistance
Manufactured from AISI 304 or 316 stainless steel, these triplex roller chains withstand chloride-laden coastal environments, steam cleaning cycles, acidic washdown agents, and the humidity levels typical of UK processing facilities. The passive oxide layer continuously regenerates, providing durable protection without surface coatings that might contaminate food or pharmaceutical products. This makes them the chain of choice across hygiene-critical operations from the Scottish Highlands down to the South Coast.
High Tensile & Breaking Strength
The triple-strand construction multiplies the load-bearing area across three parallel roller assemblies. Ultimate tensile strengths across our range run from 27.5 kN for the compact C40SS-3 up to 255 kN for the larger C24BSS-3, with average tensile strengths reaching 285.4 kN. This makes the stainless steel triplex roller chain the correct choice for applications where shock loading, heavy continuous tension, or high-inertia start-ups demand meaningful safety margins above working load.
Precision Dimensional Control
Each chain is manufactured to ISO 606 tolerances, with pin diameters, roller diameters, and inner plate widths held to the maximum and minimum limits shown in the technical specification table below. This tight dimensional control guarantees smooth, low-noise engagement with standard sprockets, contributes to extended sprocket life, and reduces vibration in high-speed automated production lines across UK manufacturing facilities.
Full Custom Manufacturing Capability
Standard chain dimensions cannot always solve non-standard application problems. Our factory team offers modified triplex roller chains with extended connecting pins, K-type or A-type attachment plates, hollow pins for internal lubrication passages, or custom inner widths for oversized rollers. If your UK plant requires a configuration not found in our standard range, contact our engineers to discuss a fully bespoke solution developed around your specific load, speed, and environmental profile.
Wide Temperature & Chemical Range
316 stainless steel grade chains deliver reliable performance from cryogenic storage temperatures of -40°C through to high-temperature dryer and oven environments at up to +300°C. This suits everything from frozen food conveyor systems in Yorkshire to industrial drying lines in the automotive sector. Chemical resistance covers dilute acids, alkalis, salt spray, sulphur compounds, and the aggressive cleaning agents regularly used in UK hygiene-critical applications.
Reliable UK Supply & Rapid Despatch
Downtime costs money. We maintain working stock of popular C-SS-3 and C-BSS-3 series chains for rapid despatch to customers throughout England, Scotland, Wales, and Northern Ireland, including express options when a breakdown situation arises. For OEM programmes and scheduled maintenance contracts, we offer call-off agreements and consignment stock arrangements to keep critical spares on-hand without inflating your warehouse overheads.
Technical Specifications — Stainless Steel Triplex Roller Chain
All dimensions in millimetres unless stated. Values comply with ISO 606 / BS/DIN standards. Certified inspection reports available on request.
| Chain No. | Pitch P (mm) | Roller Dia. d1 max (mm) | Width b/w Inner Plates b1 min (mm) | Pin Dia. d2 max (mm) | Pin Length L max (mm) | Inner Plate Depth h2 max (mm) | Transverse Pitch Pt (mm) | Ultimate Tensile Q min (kN) | Avg Tensile Q0 (kN) | Weight/m q (kg/m) |
|---|---|---|---|---|---|---|---|---|---|---|
| C40SS-3 | 12.7 | 7.95 | 7.85 | 3.96 | 45.5 | 12 | 14.38 | 27.5 | 30 | 2.15 |
| C50SS-3 | 15.875 | 10.16 | 9.40 | 5.08 | 56.8 | 15 | 18.11 | 43.7 | 57.1 | 3.64 |
| C60SS-3 | 19.05 | 11.91 | 12.57 | 5.94 | 71.5 | 18 | 22.78 | 63.7 | 69.3 | 5.37 |
| C80SS-3 | 25.4 | 15.88 | 15.75 | 7.92 | 91.4 | 24 | 29.29 | 110.7 | 130.5 | 9.13 |
| C100SS-3 | 31.75 | 19.05 | 18.9 | 9.53 | 112.2 | 30.18 | 35.76 | 159.3 | 169.6 | 13.62 |
| C120SS-3 | 38.1 | 22.23 | 25.22 | 11.1 | 141.4 | 35.7 | 45.44 | 250.6 | 262.3 | 20.45 |
| C08BSS-3 | 12.7 | 8.51 | 7.75 | 4.45 | 45 | 11.8 | 13.92 | 31 | 32.8 | 2.14 |
| C10BSS-3 | 15.875 | 10.16 | 9.65 | 5.08 | 52.7 | 14.6 | 16.59 | 37.8 | 43.6 | 2.89 |
| C12BSS-3 | 19.05 | 12.07 | 11.68 | 5.72 | 61.5 | 16 | 19.46 | 52 | 61 | 3.9 |
| C16BSS-3 | 25.4 | 15.88 | 17.02 | 8.28 | 99.7 | 21 | 31.88 | 108 | 124.2 | 9.12 |
| C20BSS-3 | 31.75 | 19.05 | 19.56 | 10.19 | 114.3 | 26 | 36.45 | 151.2 | 173.6 | 11.32 |
| C24BSS-3 | 38.1 | 25.4 | 25.4 | 14.63 | 150.4 | 33.4 | 48.36 | 255 | 285.4 | 22.12 |
Material, Working Principle & Application Scenarios
🔩 Material Selection
Our stainless steel triplex roller chains are produced in AISI 304 as standard, delivering reliable general corrosion resistance for food processing, packaging machinery, and light chemical environments. For applications involving seawater, chloride solutions, or aggressive cleaning agents, we recommend AISI 316 with its enhanced molybdenum content, which provides superior pitting resistance particularly relevant along the UK coastline. Link plates are precision-stamped and heat-treated to optimise hardness-to-ductility balance. Pins are centreless-ground to tight diameter tolerances, and rollers are manufactured with consistent wall thickness to ensure uniform load distribution across all three strands throughout the service life of the chain.
⚙️ Working Principle
A triplex roller chain operates on the same fundamental principle as a simplex chain: rotating sprocket teeth engage the chain rollers to convert shaft rotation into linear or rotary movement in a driven machine. What distinguishes the triplex format is that three independent strand assemblies are threaded on common connecting pins separated by transverse pitch (Pt) spacers. Each roller engages its own dedicated sprocket groove simultaneously, dividing the transmitted load across three contact points per tooth mesh. This directly reduces contact stress per strand, extends roller and sprocket service life, and allows a higher power rating to be achieved within a given sprocket diameter — a genuinely practical advantage in the compact machinery layouts favoured by UK plant designers working to tight floor-space budgets.
🏗️ Application Scenarios
Stainless steel triplex roller chains are most commonly specified in UK industrial settings where both high load capacity and corrosion resistance are non-negotiable. Typical applications include food-grade conveyor drives in meat processing and dairy plants, washdown-cycle packaging lines in beverage manufacturing, chemical handling equipment, offshore lifting and deck machinery, pharmaceutical tablet press drives, grain handling conveyors in East Anglia, steel mill auxiliaries in South Yorkshire, and heavy agricultural machinery throughout the UK. The marine engineering sector around the Solent, the Humber, and the Clyde regularly depends on this type of chain for continuous and intermittent duty cycles where reliability is critical and unplanned stops carry significant cost implications.
Customer Success Stories
Real results from real engineers — here is how our stainless steel triplex roller chains have solved critical challenges across UK industry.
Eliminating Corrosion Failures on High-Throughput Salmon Conveyor Lines
A leading Scottish smoked salmon producer operating three high-speed conveyor lines in Inverness was experiencing frequent chain failures on their brining and smoking feed conveyors. The original carbon steel chains were degrading rapidly in the salt-saturated, high-humidity environment, requiring replacement every six to eight weeks and creating significant unplanned downtime during peak production periods. After switching to Ever Power C60SS-3 stainless steel triplex roller chains in AISI 316 grade, the facility ran for 14 months before the first scheduled maintenance inspection revealed any measurable wear. The 316 grade was approved by their BRCGS site auditor as food-contact safe, and the triple-strand design provided the load margin needed for upgraded drive motors installed as part of a simultaneous throughput expansion. The plant engineering manager reported an 87% reduction in chain-related downtime and an overall cost saving on chain replacement parts exceeding GBP 28,000 per year — with the improved reliability also reducing product waste from conveyor-related stoppages during active smoking cycles.
What Our UK Customers Say
“We have been sourcing C80SS-3 triplex roller chains from Ever Power for our grain handling conveyors in Lincolnshire for three years running. The dimensional accuracy is consistently on the mark, the 316 grade copes well with our outdoor storage environments, and the lead times have always been as quoted. The technical support when we had a sprocket compatibility question was genuinely useful and prompt. A reliable supplier for agricultural processing applications.”
James H., Engineering Manager
Grain Processing Facility, Lincolnshire, UK
“Our pharmaceutical tablet press lines run 24 hours a day and any unplanned stop costs us significantly. We trialled the C50SS-3 after a competitor’s chain failed mid-batch. Ever Power’s chain has now run for over 18 months without issue. The pin dimensions are noticeably more consistent than what we had before, which is critical for our validated processes. We are now standardising on Ever Power across all three of our East Midlands sites.”
Dr. Sarah M., Maintenance & Reliability Lead
Pharmaceutical Manufacturing, East Midlands, UK
“Ever Power supplied custom C100SS-3 chains with extended attachment pins for our marine deck equipment project in Portsmouth. The bespoke configuration arrived within the agreed lead time and the documentation package met our DNV requirements without any need for revisions. The stainless steel triplex design handles the shock loading on deck without concern. We have already specified Ever Power on our next North Sea project.”
Richard T., Lead Mechanical Engineer
Marine Engineering Contractor, Portsmouth, UK
Our Factory & Custom Manufacturing Capability
Ever Power operates a dedicated stainless steel chain manufacturing facility equipped with CNC chain-forming lines, precision press tooling, and an independent dimensional quality control laboratory. Our production capacity covers the complete C-SS and C-BSS triplex roller chain range, from the compact C40SS-3 at 12.7 mm pitch through to the heavy-duty C24BSS-3 at 38.1 mm pitch. All manufacturing processes operate under ISO 9001 quality management procedures, and certificates of conformance with full dimensional reports are available for each batch upon request — a standard requirement for many UK regulated industries including food, pharma, and offshore.
Our custom manufacturing team handles a broad range of requests from UK OEMs and MRO procurement teams on a daily basis. Services include modifying connecting pin lengths for non-standard sprocket face widths; adding K1, K2, or SK attachment plates at specified link intervals for conveyor flights or carrier brackets; providing hollow bore pins for internal lubrication passages; manufacturing non-standard pitches; and creating chains with offset link configurations for specialised engagement geometries. Prototype samples can generally be produced within 10 to 15 working days, with confirmed batch production to follow once the design is approved. For time-critical breakdown or plant shutdown situations, contact us immediately and our team will work with you to prioritise your order within the live production schedule.
📧 Get a Quote — sales@gear-chains
Frequently Asked Questions
Common questions from UK procurement managers and maintenance engineers about stainless steel triplex roller chains.
What is the difference between a stainless steel triplex roller chain and a standard duplex chain for food processing conveyors in the UK?
A triplex roller chain uses three parallel strand assemblies on common connecting pins rather than the two strands found in a duplex chain. This provides roughly 50% greater tensile load capacity for a given pitch, which makes it the preferred choice for high-throughput food conveyor drives where the additional load margin absorbs surge and shock loads safely. In food processing environments across the UK, the stainless steel grade also supports compliance with hygiene standards such as BRCGS and BRC Global Standards, where carbon steel chains are generally unacceptable due to rust contamination risk. The 316 grade in particular is widely accepted by UK food safety auditors for direct and indirect food-contact applications.
How much does a stainless steel triplex roller chain cost and where can I get a competitive price quote for UK delivery?
Pricing depends on the chain number, stainless steel grade (304 vs 316), quantity, and any custom modifications required. Stainless steel chains carry a material premium over carbon steel equivalents, but the extended service life in corrosive or wet environments typically produces a lower total cost of ownership across a 12-month maintenance cycle. To receive an accurate cost breakdown and UK delivery quote for specific chain numbers and quantities, contact Ever Power directly at sales@gear-chains. We aim to respond to all UK enquiries within four business hours on working days.
Which stainless steel triplex roller chain size should I choose for a heavy-duty conveyor drive in a UK chemical processing plant?
Selection should be based on transmitted power or tensile load, operating speed, and the specific chemical environment. For moderate loads with chemical exposure, the C60SS-3 or C80SS-3 in 316 grade is a reliable starting point. For heavier drives, the C100SS-3 through C120SS-3 series offers ultimate tensile strengths between 159.3 kN and 250.6 kN. Our application engineers can review your drive geometry, shaft centre distances, and operating parameters to recommend the correct chain number and pitch — send your requirements to sales@gear-chains for a formal selection recommendation at no charge.
Can Ever Power supply custom stainless steel triplex roller chains with special attachments for a UK OEM manufacturer needing non-standard pin lengths?
Yes. Our factory team routinely produces modified triplex roller chains for UK original equipment manufacturers. Customisation options include K1, K2, and SK attachment plates at specified link intervals; extended or headed connecting pins for cross-member fixtures; hollow bore pins for lubrication channels; non-standard inner widths; and mixed-pitch configurations for specialised sprocket systems. We work from customer drawings or from our own application-specific design documents. Prototype samples are typically available within 10 to 15 working days. Email sales@gear-chains with your drawing or specification for a feasibility assessment and quotation.
How long does delivery take when ordering stainless steel triplex roller chains from Ever Power to a UK address?
For standard C-SS-3 and C-BSS-3 series sizes held in working stock, delivery to UK mainland addresses typically takes 5 to 10 working days. For urgent breakdown situations, express airfreight options are available at additional cost. Custom or modified chains require longer lead times depending on modification complexity and current production scheduling, generally 15 to 35 working days. Contact sales@gear-chains with your specific chain number and quantity for a confirmed availability and expected despatch date by return.
What is the best way to lubricate a stainless steel triplex roller chain to maximise its working life in a wet UK industrial environment?
Lubrication at the pin-bushing interface is essential to prevent fretting wear regardless of chain material. In wet UK processing environments, a food-grade PTFE-based dry lubricant or an NSF H1-rated oil is generally preferable over petroleum-based lubricants that wash away rapidly under steam or water washdown cycles. For enclosed drives, automatic drip or bath lubrication maintains a consistent film. Chains should be inspected for elongation every 500 hours or at each scheduled maintenance interval; elongation exceeding 1 to 2% of the nominal pitch length typically indicates the chain should be replaced before accelerated sprocket wear sets in. Our technical team can advise on lubrication intervals and compatible products for your specific application on request.
Ready to Source Your Stainless Steel Triplex Roller Chain?
Whether you need standard stock chains for immediate despatch or a fully customised solution engineered around your specific UK application requirements, our team is ready to help. Contact Ever Power today for a no-obligation quotation, chain selection advice, or technical application support.
🔩 Get a Quote — sales@gear-chains
Ever Power Industrial Chain · Stainless Steel Triplex Roller Chains · UK B2B Supply · ISO 606 Compliant
© Ever Power — Stainless Steel Chain Manufacturer | UK Industrial Supply | Custom Chain Solutions | edit by gzl
