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Sewerage and underground drainage
DWC Pipes
Structured-wall DWC piping combines a corrugated exterior with a smooth internal bore for efficient underground drainage and sewerage networks.
Complete applicable IS & ISO range available
Representative category imageComplete product range
Products available in this category
DN/ID 75, 100, 125, 135, 150, 170, 200, 225, 250 and 300 mm
DN/ID 400, 500, 600, 800, 1000 and 1200 mm
PE and PP Type-B structured-wall pipes and fittings
SN 4, SN 8 and SN 16 ring-stiffness classes
SN 2 options for larger diameters where permitted by the standard
Integral socket, spigot, elastomeric ring-seal and compatible joint systems
Couplers, bends, branches, reducers, end caps and sealing rings
Typical applications
Sewerage networksStorm-water drainageRoad crossingsUnderground utilities
IS & ISO range
Complete DWC Supply Range
| Parameter | Range / applicable standard |
|---|---|
| Nominal size range | DN/ID 75 mm to DN/ID 1200 mm |
| Materials | Polyethylene (PE) and polypropylene (PP) |
| Ring stiffness | SN 2, SN 4, SN 8 and SN 16, size dependent |
| Construction | Type B: non-smooth external and smooth internal surface |
| Jointing options | Integral socket / spigot with elastomeric ring seal and compatible joints |
| Primary Indian Standard | IS 16098 (Part 2):2013 with applicable amendments |
| International Standard | ISO 21138-3:2020 |
| Supply basis | Diameter, stiffness, material and fitting configuration as per BOQ |
RAGHAVAY supplies the complete applicable range against the project requirement. The exact size, class, rating, construction and compliance shall be confirmed against the current standard revision, approved manufacturer certification, BOQ and technical submittal before order.
Before you order
Share the complete project requirement.
Include product size, quantity, pressure class or duty point, applicable standard, preferred brand, inspection conditions, delivery location and required date.
Upload BOQ or specification