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What Is the LL08 Series Leaf Chain?
The LL08 Series leaf chain — also known as plate chain or balance chain — is a high-performance power transmission and lifting component engineered to DIN/ISO standards. Unlike roller chains, a leaf chain carries load purely through its interlocking plate assemblies and hardened pins, making it the industry choice wherever tensile strength, low elongation under load, and compact cross-section matter most. From forklift mast systems in busy UK warehousing operations to hydraulic cylinder counterbalancing on construction equipment operating across Scottish highlands, the LL08 Series delivers consistent, measurable results in environments that test lesser chain designs to destruction.
Ever Power manufactures the LL08 Series leaf chain to satisfy the stringent requirements of British and European buyers who source components through long-term supply partnerships. Each batch undergoes destructive tensile testing, dimensional inspection against DIN 8152 / ISO 4347 tables, and surface treatment review before leaving our production facility. The result is a leaf chain product that meets the demands of OEM integration, after-market replacement, and bespoke engineering contracts in equal measure — consistently rated by procurement engineers across England, Scotland, and Wales as a first-choice alternative to legacy European chain brands.
Engineering Principle, Material & Application Scenarios
Working Principle
A leaf chain transmits load entirely through alternating sets of link plates connected by precision pins. There is no roller engagement — the plates bear tensile force directly, producing a uniquely strong, slim-profile chain. When a hydraulic cylinder retracts or a counterweight shifts, the leaf chain responds instantly with minimal stretch, ensuring the mast positioning or load height remains exactly where the operator set it. This mechanical principle is irreplaceable in forklift mast guidance, crane counterbalancing, and machine tool clamping applications.
Material & Construction
The LL08 Series uses alloy steel plates cold-stamped with precision tooling, then through-hardened and tempered to a controlled Rockwell hardness that balances toughness with wear resistance. Pins are ground to tight diameter tolerances and case-hardened to resist fretting at the plate-pin interface — the point most susceptible to fatigue failure under cyclic loading. A corrosion-inhibiting oil film finish provides shelf protection and eases initial installation lubrication. Optional stainless-steel variants are available for food-processing and chemical handling environments common in UK manufacturing.
Application Scenarios
The LL08 Series leaf chain is specified by engineering teams in forklift and reach-truck mast assemblies, overhead crane counterbalancing, hydraulic press guiding, vertical machining-centre pallet changers, industrial door and hatch actuation, and agricultural machinery lift mechanisms. UK-based warehousing, logistics, ports, petrochemical plants, and NHS supply-chain facilities are among the primary end-use environments where the chain’s proven reliability translates directly into reduced maintenance downtime and lower total cost of ownership over multi-year operating cycles.
Technical Specification — LL08 Series Leaf Chain
Conforming to DIN 8152 / ISO 4347 | All dimensions in mm unless stated
| DIN/ISO Chain No. | Pitch P (mm) | Plate Lacing | Plate Depth h2 max (mm) | Plate Thickness T max (mm) | Pin Diameter d2 max (mm) | Pin Length L max (mm) | Ultimate Tensile Strength Q min (kN/lbf) | Average Tensile Strength Q0 (kN) | Weight per Metre q (kg/m) |
|---|---|---|---|---|---|---|---|---|---|
| LL0822 | 12.700 | 2 x 2 | 10.6 | 1.6 | 4.45 | 8.9 | 18.2 / 4094 | 20.4 | 0.42 |
| LL0844 | 12.700 | 4 x 4 | 10.6 | 1.6 | 4.45 | 15.6 | 36.4 / 8188 | 40.7 | 0.84 |
| LL0866 | 12.700 | 6 x 6 | 10.6 | 1.6 | 4.45 | 22.0 | 54.6 / 12283 | 60.0 | 1.24 |
| LL0888 | 12.700 | 8 x 8 | 10.6 | 1.6 | 4.45 | 28.5 | 72.8 / 16378 | 80.0 | 1.64 |
* Q min = minimum ultimate tensile strength tested to destruction. Q0 = average tensile strength. Values conform to DIN 8152 / ISO 4347.
Why Engineers Choose the LL08 Series Leaf Chain
High Tensile Load Rating
The LL0888 variant achieves a minimum ultimate tensile strength of 72.8 kN (16,378 lbf), covering the heaviest counterbalance duties in UK warehousing and port logistics without requiring a chain step-up in pitch size.
Precision Pin-to-Plate Fit
Ground pins to ISO h6 tolerance deliver consistent articulation, minimal play at the hinge point, and predictable fatigue life — critical when the chain must flex millions of times over a multi-year service interval in forklift mast duty cycles.
Low Elongation Under Load
The all-plate construction eliminates roller-induced elongation pathways. When subjected to a sustained working load, LL08 Series chains stretch significantly less than equivalent-pitch roller chains, preserving fork height calibration and reducing the frequency of mast adjustment across shift-intensive operations.
DIN/ISO Compliance
Full conformance to DIN 8152 and ISO 4347 gives UK maintenance engineers, LOLER inspection teams, and OEM design departments the documentary confidence to approve LL08 Series leaf chain for safety-critical lift duty, where component certification is non-negotiable.
Fast UK Delivery Lead Times
Standard LL08 Series variants are held in finished-goods stock, enabling our UK-based distribution partner to fulfil replacement chain orders within 3–5 working days to any mainland GB address — minimising equipment downtime where every shift hour counts.
Competitive Pricing for B2B
Direct factory sourcing means the LL08 Series leaf chain is offered at prices that suit both high-volume fleet maintenance contracts and single-machine spares — with transparent per-metre pricing available on request and volume discount tiers for orders above 50 metres.
Our Manufacturing Facility & Custom Chain Services
Ever Power operates a purpose-built leaf chain production line equipped with servo-controlled stamping presses, in-line hardness testing, and automated assembly fixtures calibrated to DIN/ISO pitch tolerances. Our quality management system is audited annually, and all production batches are accompanied by material certificates and tensile test records. This infrastructure lets us handle both large blanket orders and short-run custom projects with equal precision.
Customisation is one of the strongest capabilities we offer to UK OEM and maintenance-contract buyers. We can modify plate lacing configurations beyond the standard 2×2 through 8×8 range, adjust pin material grade for corrosive or food-grade environments, provide extended lengths pre-assembled on spools, add custom end-fittings, and mark chain sections with laser-etched lot identification for LOLER traceability records. If your application falls outside catalogue parameters, our engineering team will review your load diagram and propose a solution — at no cost for the initial technical review.
Customer Success Stories
Real results from clients across UK industry sectors who switched to the LL08 Series leaf chain.
Case Study | Logistics & Warehousing | East Midlands, UK
FlowLine Distribution Ltd — Forklift Fleet Mast Overhaul
Background: FlowLine Distribution operates a 47-truck electric counterbalance forklift fleet across three regional distribution centres in Nottinghamshire and Derbyshire. Their maintenance team had experienced repeated leaf chain stretch failures on the inner mast channel using an OEM-replacement chain that had become increasingly expensive to source through UK distributors post-2022.
Challenge: The procurement manager needed a DIN-compliant leaf chain supplier that could guarantee consistent batch quality, provide material test certificates for their in-house LOLER register, and offer competitive per-metre pricing for a blanket order covering annual planned maintenance across all three sites.
Solution: Ever Power supplied LL0844 and LL0866 variants of the LL08 Series leaf chain cut to specified drop lengths, supplied with batch tensile test certificates and material declarations. Our technical team confirmed dimensional interchangeability with the existing mast anchors, removing the need for any hardware modification.
Result: After 14 months in service, zero premature chain failures were recorded across the fleet. Average planned maintenance interval extended from 900 hours to 1,400 hours. The procurement cost per metre was 18% lower than the previous supplier, producing a documented annual saving across the full fleet replacement programme.
“We’ve been using the LL0866 leaf chain on our reach-truck fleet for over a year. The chain shows very little wear progression and the material certificates were accepted without question by our LOLER inspector. Reorder lead time from Ever Power to our Sheffield depot was four working days — better than our previous European supplier.”
— James H., Maintenance Engineer
3PL Logistics Operator, South Yorkshire
“I requested a custom lacing configuration for a vertical conveyor system we’re installing in a beverage plant in the West Midlands. The Ever Power engineering team responded within 24 hours with a detailed proposal and price. The custom LL08 Series chain was manufactured and despatched in three weeks — genuinely impressive lead time for a non-standard item.”
— Sarah M., Project Engineer
Food & Beverage Equipment Manufacturer, West Midlands
“Port equipment maintenance is unforgiving — every chain failure means a crane out of service. We’ve standardised on the LL0888 leaf chain for our Mersey facility heavy-lift cranes. Three service cycles now completed with zero unplanned replacements. The price per metre at the volume we order is substantially below what we were paying domestically.”
— David T., Procurement Manager
Port Equipment Services, Merseyside
Frequently Asked Questions
Ready to Source the LL08 Series Leaf Chain?
Send your enquiry directly to our technical sales team. We respond within one working day with a quotation, delivery schedule, and availability confirmation — no obligation.
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Ever Power | LL08 Series Leaf Chain | Supplied to UK Mainland | DIN/ISO Certified | edit by gzl
