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  • Couplings, Couplings and Fittings

  • Step Coupling

  • Seamlessly Connect Pipes of Different Diameters The Cascade Step Coupling is an essential problem-solver designed to join two pipes with significantly different Outer Diameters (ODs). Whether connecting old imperial steel pipes to new metric PVC, or AC to Ductile Iron, this coupling ensures a leak-free transition.
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  • Couplings, Couplings and Fittings, Half Couplings

  • Half Coupling

  • Half Couplings for creating secure, leak-proof branch connections or outlets from pipelines and vessels. Our fittings ensure lasting integrity for your piping system.
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  • Couplings, Couplings and Fittings

  • Long Barrel Coupling

  • Product Overview Cascade Long Barrel Couplings are specifically designed for the reliable connection of GRP (Glass Reinforced Plastic) and HDPE (High-Density Polyethylene) pipelines. The extended barrel length is engineered to accommodate thermal expansion and contraction during and after installation, ensuring long-term joint integrity.
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  • Couplings and Fittings

  • Couplings

  • Wide range couplings suitable for joining pipes with the same nominal diameter – which have the same or different OD’s. Cast in ductile iron Grade 420/12 to BS 2789:1985. PE coated to: - provide maximum corrosion protection - prevent chipping or gouging of the coating Rubber seals are approved for potable water and are certified to “WRAS/BS6920”. Large diameter bolts…
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  • Couplings and Fittings

  • Flange Adapters

  • Wide range couplings suitable for joining pipes with the same nominal diameter – which have the same or different OD’s. Cast in ductile iron Grade 420/12 to BS 2789:1985. PE coated to: - provide maximum corrosion protection - prevent chipping or gouging of the coating Rubber seals are approved for potable water and are certified to “WRAS/BS6920”. Large diameter bolts…
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  • Couplings and Fittings

  • Galvanised Compression Couplings

  • Precision cast in malleable cast iron to BS6681 B32-10 enabling easy fitting. The prominent “centre-hex” affords a secure grip of the fitting to be made, allowing the end caps to be tightened with ease. The couplings are galvanised to provide protection against corrosion NBR rubber to ISO 4658-1990, BS2751-1990.  Spec Sheet  Request a Quote
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