Fabricated SWR (Soil, Waste, Rainwater) fittings are plumbing components, typically made from unplasticized polyvinyl chloride (uPVC), used in non-pressure drainage systems to channel wastewater and rainwater. Key features include corrosion and chemical resistance, a smooth inner surface for efficient flow, UV stabilization, and high impact and tensile strength for durability. Specifications include conformance to Indian Standards (IS) 13592 for pipes and IS 14735 for fittings, availability in various sizes (e.g., 40mm to 160mm), and two types: Type A for rainwater and Type B for soil and waste. Joinery methods vary from traditional solvent cement to modern “Push-Fit” or “Ring-Fit” systems, which use rubber seals for a leak-proof and easily reversible connection.
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