{"id":4148,"date":"2026-05-26T08:09:11","date_gmt":"2026-05-26T08:09:11","guid":{"rendered":"https:\/\/cardancoupling.top\/?post_type=product&p=4148"},"modified":"2026-05-27T05:33:17","modified_gmt":"2026-05-27T05:33:17","slug":"ep-gl-series-chain-coupling","status":"publish","type":"product","link":"https:\/\/cardancoupling.top\/ms\/product\/ep-gl-series-chain-coupling\/","title":{"rendered":"EP-GL Series Chain Coupling"},"content":{"rendered":"
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Ever Power \u00b7 Industrial Power Transmission \u00b7 United Kingdom<\/p>\n

EP-GL Series Chain Coupling \u2014 High-Torque Drive Solutions Engineered for British Industry<\/h2>\n

15 models spanning 40 N\u00b7m to 25,000 N\u00b7m nominal torque. Double-row roller chain architecture with inherent misalignment tolerance. Trusted by UK engineers across mining, food processing, paper, and energy sectors. ISO 9001 certified. Custom shaft bores available.<\/p>\n

\u2709 Get a Quote<\/a>
\nTechnical Enquiry<\/a><\/div>\n<\/div>\n
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Need a custom shaft bore or non-standard configuration for your UK drive application?<\/p>\n

Request a Custom Quote<\/a><\/p>\n<\/div>\n

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Understanding the EP-GL Series Chain Coupling<\/h2>\n<\/div>\n

\"EP-GLThe EP-GL Series Chain Coupling is a double-row roller chain drive product purpose-built for medium to heavy industrial installations where consistent torque transmission and low maintenance overhead are non-negotiable requirements. Across the United Kingdom \u2014 from Yorkshire quarrying operations and Lancashire paper mills to Scottish food packaging facilities and offshore energy pump stations \u2014 plant engineers and procurement managers specify this coupling series because it strikes a practical balance between torque capacity, misalignment tolerance, and ease of on-site servicing. The full range runs from the compact EP-GL1, rated at 40 N\u00b7m with a shaft bore of 16 to 20 mm, right through to the EP-GL15 at 25,000 N\u00b7m and shaft bores up to 190 mm \u2014 meaning a single product family serves applications from light conveyor systems all the way to primary heavy processing drives without needing to change supplier or product platform.<\/p>\n

Power transmission is achieved through the engagement of precision-machined sprocket teeth on two hub assemblies and a hardened duplex roller chain that loops around both sprockets. Because each roller chain link can flex laterally between the adjacent link pins, the coupling naturally absorbs modest angular, parallel, and axial shaft misalignment \u2014 the type that develops progressively as machine foundations settle, thermal expansion shifts bearing housings, and vibration gradually moves drive components away from their installed centrelines. British maintenance teams who have upgraded from rigid disc couplings or jaw couplings to the EP-GL series consistently report measurable reductions in premature bearing and mechanical seal failures, translating directly into longer planned maintenance intervals and fewer emergency production stoppages.<\/p>\n

A key practical feature is the availability of a close-fitting protective cover for every model in the range. Fitting the cover retains lubricant around the running chain \u2014 extending service life between scheduled greasing intervals \u2014 while simultaneously shielding the chain from the abrasive dust, moisture, and chemical contamination present in environments such as aggregate plants, cement works, food processing lines, and outdoor pumping installations. The cover also provides a secondary and substantial operational benefit: it raises the maximum permissible rotational speed significantly. For example, the EP-GL3 goes from 1,000 r\/min in the uncovered configuration to 4,000 r\/min with the cover in place, opening the coupling for use on higher-speed pump and blower drives that would otherwise exceed the uncovered speed envelope.<\/p>\n<\/div>\n

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Technical Specifications \u2014 EP-GL Type Coupling Main Parameters & Dimensions<\/h2>\n<\/div>\n
\"EP-GL<\/div>\n
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Model<\/th>\nNominal Torque TnN\u00b7m<\/th>\nSpeed No Cover (r\/min)<\/th>\nSpeed With Cover (r\/min)<\/th>\nShaft Bore d (mm)<\/th>\nHole Length L (mm)<\/th>\nChain No.<\/th>\nD (mm)<\/th>\nShell DkxLk (mm)<\/th>\nWeight (kg)<\/th>\n<\/tr>\n<\/thead>\n
EP-GL1<\/td>\n40<\/td>\n1400<\/td>\n4500<\/td>\n16~20<\/td>\n38~52<\/td>\nTG95X2<\/td>\n51.06<\/td>\n70X70<\/td>\n0.5<\/td>\n<\/tr>\n
EP-GL2<\/td>\n63<\/td>\n1250<\/td>\n4500<\/td>\n19~24<\/td>\n38~52<\/td>\nTG95X2<\/td>\n57.08<\/td>\n75X75<\/td>\n0.8<\/td>\n<\/tr>\n
EP-GL3<\/td>\n100<\/td>\n1000<\/td>\n4000<\/td>\n20~25<\/td>\n38~63<\/td>\nTG127X2<\/td>\n68.88<\/td>\n85X80<\/td>\n1.2<\/td>\n<\/tr>\n
EP-GL4<\/td>\n160<\/td>\n1000<\/td>\n4000<\/td>\n24~32<\/td>\n44~82<\/td>\nTG127X2<\/td>\n79.61<\/td>\n95X88<\/td>\n2<\/td>\n<\/tr>\n
EP-GL5<\/td>\n250<\/td>\n800<\/td>\n3150<\/td>\n28~40<\/td>\n60~112<\/td>\nTG158X2<\/td>\n94.46<\/td>\n112X100<\/td>\n3.5<\/td>\n<\/tr>\n
EP-GL6<\/td>\n400<\/td>\n630<\/td>\n2500<\/td>\n32~50<\/td>\n60~112<\/td>\nTG158X2<\/td>\n116.57<\/td>\n140X105<\/td>\n5<\/td>\n<\/tr>\n
EP-GL7<\/td>\n630<\/td>\n630<\/td>\n2500<\/td>\n40~60<\/td>\n84~142<\/td>\nTG190X2<\/td>\n127.78<\/td>\n150X122<\/td>\n8<\/td>\n<\/tr>\n
EP-GL8<\/td>\n1000<\/td>\n500<\/td>\n2240<\/td>\n45~70<\/td>\n84~142<\/td>\nTG254X2<\/td>\n154.33<\/td>\n180X135<\/td>\n12<\/td>\n<\/tr>\n
EP-GL9<\/td>\n1600<\/td>\n400<\/td>\n2000<\/td>\n50~80<\/td>\n84~172<\/td>\nTG254X2<\/td>\n186.5<\/td>\n215X145<\/td>\n20<\/td>\n<\/tr>\n
EP-GL10<\/td>\n2500<\/td>\n315<\/td>\n1600<\/td>\n65~90<\/td>\n107~172<\/td>\nTG137X2<\/td>\n213.02<\/td>\n245X165<\/td>\n27<\/td>\n<\/tr>\n
EP-GL11<\/td>\n4000<\/td>\n250<\/td>\n1500<\/td>\n75~100<\/td>\n107~212<\/td>\nTG381X2<\/td>\n231.49<\/td>\n270X195<\/td>\n40<\/td>\n<\/tr>\n
EP-GL12<\/td>\n6300<\/td>\n250<\/td>\n1250<\/td>\n85~120<\/td>\n132~212<\/td>\nTG444X2<\/td>\n270.08<\/td>\n310X205<\/td>\n60<\/td>\n<\/tr>\n
EP-GL13<\/td>\n10000<\/td>\n200<\/td>\n1120<\/td>\n100~140<\/td>\n167~252<\/td>\nTG508X2<\/td>\n340.8<\/td>\n380X230<\/td>\n88<\/td>\n<\/tr>\n
EP-GL14<\/td>\n16000<\/td>\n200<\/td>\n1000<\/td>\n120~160<\/td>\n167~302<\/td>\nTG508X2<\/td>\n405.22<\/td>\n450X250<\/td>\n152<\/td>\n<\/tr>\n
EP-GL15<\/td>\n25000<\/td>\n200<\/td>\n900<\/td>\n140~190<\/td>\n202~352<\/td>\nTG635X2<\/td>\n466.25<\/td>\n510X285<\/td>\n235<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

* Weight and moment of inertia values do not include the protective cover assembly. All dimensions in mm. Non-standard shaft bore diameters available on request from Ever Power.<\/p>\n<\/div>\n

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Six Reasons UK Engineers Specify EP-GL Chain Couplings<\/h2>\n<\/div>\n
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Wide Torque Range in One Family<\/h3>\n

Fifteen models covering 40 N\u00b7m to 25,000 N\u00b7m allow procurement teams to rationalise their approved coupling supplier list to a single product platform, simplifying spares management across multiple drive stations throughout a UK plant or across multiple sites.<\/p>\n<\/div>\n

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Built-in Misalignment Tolerance<\/h3>\n

The roller chain construction accommodates angular, parallel, and axial shaft misalignment simultaneously. This reduces parasitic side loads on connected bearings and seals \u2014 a tangible benefit on UK plant floors where perfect alignment is difficult to maintain across seasonal temperature swings and long production cycles.<\/p>\n<\/div>\n

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Fast On-Site Chain Replacement<\/h3>\n

Worn chain elements can be swapped out with basic hand tools without disconnecting the hubs from their shafts or disturbing shaft alignment. For UK maintenance teams working within tight planned shutdown windows, this means coupling servicing rarely adds to the critical path of a scheduled outage.<\/p>\n<\/div>\n

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Dual Speed Configuration<\/h3>\n

Each EP-GL model carries separate speed ratings for open and covered variants. Fitting the protective cover more than doubles the permissible speed on several models, unlocking suitability for higher-speed pump, fan, and compressor drives without moving to a more expensive coupling type.<\/p>\n<\/div>\n

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Standard Chain Sizes \u2014 Local Sourcing<\/h3>\n

Chain sizes follow international standards from TG95X2 through TG635X2. This means emergency replacement chains can often be sourced from UK industrial distributors without relying on proprietary supply chains, reducing spare-parts lead times during unplanned downtime events.<\/p>\n<\/div>\n

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ISO 9001 Certified Manufacturing<\/h3>\n

Every EP-GL coupling leaves the facility under a certified ISO 9001 quality management system. Material certificates and dimensional inspection documentation are available to support UK procurement audit trails, supplier qualification processes, and project engineering records.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Operating Principle, Materials & Application Environments<\/h2>\n<\/div>\n
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How the Chain Coupling Works<\/h3>\n

Two sprocket hub assemblies are keyed to the respective shaft ends and locked with set screws or interference fits. A continuous double-row (duplex) roller chain loops around both sprockets, engaging the precision-formed teeth to transfer torque between the driving and driven shaft. The inherent flexibility of the chain link assembly \u2014 each link can flex laterally relative to its neighbours \u2014 provides the misalignment-absorbing characteristic that distinguishes this coupling type from rigid alternatives.<\/p>\n

Where a protective cover is fitted, the housing encloses the chain in a close-tolerance cavity that retains grease or oil. This sustained lubrication significantly reduces pin-and-bushing wear rates and eliminates the need for the frequent manual re-greasing that open configurations require.<\/p>\n<\/div>\n

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Materials & Surface Treatments<\/h3>\n

Sprocket hubs are machined from medium-carbon alloy steel \u2014 typically 45# or 40Cr grade \u2014 with tooth flanks induction-hardened to resist abrasive wear during extended cyclic loading. Chain components use carburised steel pins and hardened bushings manufactured to close pitch tolerances, ensuring uniform load distribution across all simultaneously engaged teeth and minimising noise at operating speed.<\/p>\n

Protective covers are produced from ductile iron or engineering polymer depending on model size. Optional surface treatments \u2014 zinc phosphate, black oxide, or custom paint \u2014 are available for environments with elevated corrosion risk, such as coastal UK facilities or chemical process sites.<\/p>\n<\/div>\n

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Where EP-GL Is Used Across the UK<\/h3>\n

The EP-GL series is routinely found across the full width of UK heavy industry:<\/p>\n