Kasta SWR (Soil, Waste, and Rainwater) Pipes and Fittings, manufactured by Kriti Industries (India) Limited, are built for complete drainage systems in residential, commercial, and industrial buildings across India. Whether you are planning a new construction project or replacing an old, failing drainage system, Kasta SWR pipes are engineered to move waste water efficiently, resist blockages, and last for years without the maintenance headaches that come with poorly made alternatives.
Two Joint Systems Built for Different Parts of a Drainage Run
A drainage system is not one uniform job. Different sections of pipe face different stresses, and Kasta SWR pipes account for that with two distinct joint systems.
Sel-fit uses a solvent cement joint, one end of the pipe or fitting plain, the other with a socket, creating a permanent, fully bonded connection. This is the right choice for buried and horizontal drainage runs, where the pipe is not expected to move once installed and needs to withstand ongoing external pressure without failing.
Ring-O-Socket uses a grooved socket fitted with an EPDM rubber ring, what we call the Duro Ring, joined with a rubber lubricant instead of solvent cement. This joint is specifically designed to accommodate thermal expansion, which is exactly what shaft and vertical drainage lines experience as temperatures shift throughout the day. A rigid bonded joint would develop stress over time in this kind of application. A rubber-ring joint flexes with it instead.
Both systems are manufactured to IS 13592-2013 for the pipe and IS 14735-1999 for the fittings, giving you certified performance regardless of which part of the building the drainage line runs through.
A Complete Fittings Range, Not Just Pipe
Kasta manufactures the full range of SWR fittings needed for a real installation, not just straight pipe lengths.
For fixture drainage, we make P-Traps for sinks and basins, and Nahani Traps for floor-level drains, available both with and without a Jali (perforated cover and strainer) to keep debris out and prevent blockages before they start.
For outdoor and at-grade collection points, our Gully Trap with Jali handles combined waste water from multiple sources before it enters the underground line, while our Multi Floor Trap manages waste water from several nearby fixtures converging into a single drainage point, reducing the number of floor penetrations needed in a bathroom or utility area.
For system ventilation, Vent Cowls sit at the top of vent pipes above roof level, letting air into the system to prevent trap water seals from being siphoned out, while also keeping rain and debris out of the vent stack.
For maintenance access, our Door fittings, including Door Bend, Door Tee, and Double Y with Door, come with a removable access panel built directly into the fitting, so a blockage can be cleared without cutting into finished walls or floors.
Why the Right Fitting Choice Matters
A drainage system planned with the correct fittings from the start avoids the kind of problem that is expensive and disruptive to fix later, once tiling and plastering are already done. Specifying the right trap type, the right joint system, and access points at the right locations during the planning stage is what separates a drainage system that performs well for decades from one that develops recurring issues within a few years.
Built for Real Conditions
Kasta SWR pipes and fittings are lightweight and easy to install and transport, with a smooth inner surface that keeps flow rate high and resists the buildup that leads to blockages. They are chemically resistant, self-extinguishing, non-flammable, and built to handle low thermal expansion without compromising the integrity of the system. The entire range is designed to be leak-proof and maintenance-free once properly installed.
Applications
Kasta SWR pipes and fittings are used across drains and sewer lines for residential and commercial buildings, soil and waste disposal lines for kitchens and bathrooms, main vent lines, rooftop rainwater drainage, and effluent disposal systems.
Manufactured in Indore, Trusted Since 1983
Kriti Industries (India) Limited has been manufacturing piping solutions since 1983, and Kasta SWR pipes are manufactured at our facility near Indore, Madhya Pradesh, distributed through an established dealer network across the country.
For full technical specifications and the complete SWR fittings range, visit: kritiindustries.com/products/building-products/swr-drainage-pipe/
Contact your nearest Kasta dealer or call 1800 270 1080 for current pricing and availability.