Home / Drain & Pipe Couplings / Magnum Couplings Magnum Couplings Sort Sort by:Most popularWhat's newPrice low to highPrice high to lowName A to ZName Z to A Showing 16 of 16 Products Showing products 1 to 16 of 16 Sort by:Most popularWhat's newPrice low to highPrice high to lowName A to ZName Z to A MAG300 Magnum Coupling 300mm - 399mm & Width 370mm £294.17 ex. VAT £353.00 Add to cart Quickview MAG400 Magnum Coupling 400mm - 499mm & Width 370mm £294.17 ex. VAT £353.00 Add to cart Quickview MAG500 Magnum Coupling 500mm - 599mm & Width 370mm £294.17 ex. VAT £353.00 Add to cart Quickview MAG600 Magnum Coupling 600mm - 699mm & Width 370mm £294.17 ex. VAT £353.00 Add to cart Quickview MAG700 Magnum Coupling 700mm - 799mm & Width 370mm £345.00 ex. VAT £414.00 Add to cart Quickview MAG800 Magnum Coupling 800mm - 899mm & Width 370mm £360.00 ex. VAT £432.00 Add to cart Quickview MAG900 Magnum Coupling 900mm - 999mm & Width 370mm £375.00 ex. VAT £450.00 Add to cart Quickview MAG1000 Magnum Coupling 1000mm - 1099mm & Width 370mm £390.00 ex. VAT £468.00 Add to cart Quickview MAG1100 Magnum Coupling 1100mm - 1199mm & Width 370mm £420.00 ex. VAT £504.00 Add to cart Quickview MAG1200 Magnum Coupling 1200mm - 1299mm & Width 370mm £434.17 ex. VAT £521.00 Add to cart Quickview MAG1300 Magnum Coupling 1300mm - 1399mm & Width 370mm £434.17 ex. VAT £521.00 Add to cart Quickview MAG1400 Magnum Coupling 1400mm - 1499mm & Width 370mm £449.17 ex. VAT £539.00 Add to cart Quickview MAG1500 Magnum Coupling 1500mm - 1599mm & Width 370mm £494.17 ex. VAT £593.00 Add to cart Quickview MAG1700 Magnum Coupling 1700mm - 1799mm & Width 370mm £597.50 ex. VAT £717.00 Add to cart Quickview MAG1900 Magnum Coupling 1900mm - 1999mm & Width 370mm £723.33 ex. VAT £868.00 Add to cart Quickview MAG2100 Magnum Coupling 2100mm - 2199mm & Width 370mm £775.83 ex. VAT £931.00 Add to cart Quickview Fernco Magnum Couplings for High-Performance Pipe Connections Fernco Magnum Couplings are engineered to deliver robust, high-integrity connections in demanding drainage and sewer applications. Designed for larger diameter pipe systems, Magnum couplings provide enhanced strength and sealing performance compared to standard flexible connectors. They are widely specified in commercial, industrial and infrastructure projects where joint reliability is critical and pipe networks operate under substantial load or flow conditions. The Magnum range is developed to accommodate a variety of pipe materials, including clay, concrete, ductile iron, cast iron and plastic. In many drainage networks, especially those undergoing refurbishment or extension, connecting dissimilar materials can present challenges. Fernco Magnum Couplings are designed to bridge these differences effectively, offering a secure and adaptable solution that maintains a watertight seal across varied outside diameters. Constructed with a durable elastomeric sleeve and reinforced by heavy-duty stainless steel clamping bands, Magnum couplings are built to withstand harsh environmental conditions. Their materials resist corrosion, moisture and common chemical exposure associated with wastewater systems. This makes them suitable for both below-ground and certain above-ground installations where strength and durability are essential. Magnum couplings are particularly valued in large bore drainage systems, where joint stability must be maintained under significant ground pressure or flow rates. The reinforced design helps distribute load evenly across the connection, reducing stress concentrations and enhancing long-term performance. For engineers and contractors, this translates into confidence in the structural integrity of the drainage network. Reinforced Design for Demanding Installations One of the defining features of Fernco Magnum Couplings is their reinforced construction. Compared to lighter-duty flexible couplings, the Magnum range incorporates a more substantial rubber body and robust clamping system. This design ensures the joint remains secure even in high-capacity systems subject to vibration, ground movement or increased flow volumes. The elastomer sleeve conforms to the external surface of the pipe, creating a tight seal while allowing controlled flexibility. This flexibility is important in underground installations where minor settlement or thermal expansion may occur. By absorbing movement rather than transferring stress directly to the pipe ends, Magnum couplings help protect the integrity of the connected sections. The stainless steel bands used in the Magnum range are engineered for corrosion resistance and consistent compression. When tightened to the specified torque, they provide uniform pressure around the circumference of the pipe. This ensures an even seal and reduces the likelihood of leakage over time. Because large diameter pipe systems often serve critical infrastructure, reliability is paramount. Magnum couplings are designed to meet recognised performance standards, giving installers reassurance that the connection will withstand long-term operational demands. Their reinforced profile makes them suitable for applications where standard couplings may not provide sufficient stability. Versatile Solutions for Commercial and Infrastructure Drainage Fernco Magnum Couplings are commonly used in projects involving significant drainage infrastructure. From commercial developments and industrial estates to municipal sewer upgrades, they provide a dependable method of joining large bore pipes efficiently and securely. Their versatility allows them to be used in both repair and new installation scenarios. In repair applications, Magnum couplings are particularly effective when reinstating damaged sections of pipe. By positioning the coupling over the joint and tightening the clamps, installers can restore continuity quickly without the need for complex mechanical assemblies. This reduces downtime and minimises disruption to surrounding areas, which is especially valuable in public or operational environments. In new installations, Magnum couplings facilitate the connection of different pipe materials within a single network. For example, they may be used to connect new plastic pipework to existing concrete or clay systems. Their adaptability simplifies design considerations and reduces the number of specialised fittings required. The range is available in multiple size configurations to suit common UK pipe diameters. This ensures compatibility with a wide variety of large diameter drainage systems. Whether connecting 150mm, 225mm, 300mm or larger pipes, Magnum couplings provide a secure and efficient solution. Long-Term Durability and Installation Efficiency Durability is a key factor in any drainage component, particularly in systems expected to operate for decades with limited maintenance access. Fernco Magnum Couplings are designed with longevity in mind. The high-quality elastomer resists cracking, hardening and degradation over time, while the stainless steel clamps maintain consistent performance even in corrosive environments. Installation is straightforward when carried out in accordance with manufacturer guidelines. The coupling is positioned centrally over the pipe joint, ensuring adequate overlap on each side. The clamps are then tightened evenly to create a secure, watertight seal. This process requires standard tools and can be completed efficiently on site, supporting improved productivity across larger projects. By eliminating the need for solvent welding or hot works, Magnum couplings enhance on-site safety. Their mechanical clamping system provides predictable results and reduces the potential for installation errors. This makes them suitable for use in confined spaces or environments where traditional jointing methods may present additional risks. Overall, Fernco Magnum Couplings combine strength, flexibility and adaptability to meet the demands of modern large bore drainage systems. Their reinforced construction, compatibility with multiple pipe materials and ease of installation make them a practical choice for commercial, industrial and infrastructure projects. Whether used for repairs, upgrades or new connections, they provide reliable, watertight performance and long-term joint integrity in high-capacity drainage networks.