IS 2556:2020 Part 7 is the Indian Standard (BIS) for vitreous sanitary appliances (vitreous china) - bidets. This standard specifies the material, manufacturing requirements, dimensions, tolerances, and testing criteria for vitreous china bidets.
Covers requirements for vitreous china bidets.
Overview
- Status
- Current
- Usage level
- Specialized
- Domain
- MEP — Plumbing Fixtures and Valves
- Type
- Specification
Also on InfraLens for IS 2556
BIM-relevant code. See the BIM Hub for ISO 19650, IFC, and LOD/LOIN frameworks used alongside it.
Practical Notes
! Ensure compatibility between bidet tap hole dimensions and selected plumbing fittings.
! For wall-hung bidets, coordinate concealed structural chair carriers and mounting heights accurately during the rough-in phase to match standard requirements.
Frequently referenced clauses
vitreous chinaceramicsanitaryware
International Equivalents
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International Comparison — Coming Soon
We're adding equivalent international standards for this code.
Key Values4
Quick Reference Values
Tolerance for dimensions >= 75 mm+/- 3 percent
Tolerance for dimensions < 75 mm+/- 5 percent
Water absorption max (vitreous china)0.5 percent
Minimum thickness of appliance body6 mm
Tables & Referenced Sections
Key Tables
Table 1 - Dimensions of Bidets
Table 2 - Tolerances
Key Clauses
Clause 4 - Material and Manufacture
Clause 5 - Dimensions and Tolerances
Clause 6 - Glazing
Clause 8 - Sampling and Testing
Frequently Asked Questions3
What is the general dimensional tolerance for bidets?+
+/- 3% for dimensions 75 mm and above, and +/- 5% for dimensions below 75 mm.
What test methods are specified for vitreous china bidets?+
Testing methods such as water absorption and crazing tests must be conducted according to IS 9140.
Where are the general material requirements located?+
General material and manufacturing requirements refer back to IS 2556 (Part 1).
QA/QC Inspection Templates
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QA/QC templates coming soon for this code.