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CPVC Pipes and Fittings
IS 15778, hot and cold lines, SDR 11 and 13.5
Specification
| Standard | IS 15778 CPVC hot and cold water systems |
|---|---|
| Sizes | 15 to 50 mm (half inch to 2 inch) |
| Classes | SDR 11 for hot lines, SDR 13.5 for cold |
| Temperature | Continuous hot water service up to 82 degrees C |
| Jointing | One-step CPVC solvent cement, same brand |
| System | Pipe, fittings and solvent from one maker per house |
Supply
| Sold | Per length (3 m), fittings per piece |
|---|---|
| Minimum | 10 lengths |
| Delivery | Across Bengaluru, ORR plus 25 km |
| Lead time | Usually 24 to 48 hours from order confirmation |
| Brands | House and named brands |
Typical terms, not commitments. The quote confirms them for your quantity and pincode.
Details
Concealed water lines are a twenty-year decision, so the system stays consistent: pipe, fittings and solvent cement from the same maker, in the class the line needs. Major ISI-marked brands are carried; the brand quoted is the brand delivered.
Variants
From the site engineer's deskUse SDR 11 on every hot line, whatever the plumber says about cost. The difference is a few hundred rupees per bathroom.
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