IS 651 : 2007
GLAZED STONEWARE PIPES AND FITTINGS
summary
Glazed stoneware pipes and fittings are ceramic drainage products manufactured from refined clay and fired at high temperatures. They are coated with a protective glaze that provides a smooth, non-porous surface. These pipes are widely used for underground sewerage, drainage, and waste disposal systems.
Why BIS Certificate is Mandatory for GLAZED STONEWARE PIPES AND FITTINGS
BIS certification is mandatory to ensure glazed stoneware pipes and fittings meet required strength, durability, and leakage resistance standards. Since they are used in sewerage and underground drainage systems, compliance with BIS prevents structural failures, water contamination, and environmental hazards, ensuring public safety and infrastructure reliability.
What is BIS Certified for GLAZED STONEWARE PIPES AND FITTINGS
The BIS certified specification for glazed stoneware pipes and fittings defines requirements for dimensions, mechanical strength, water absorption, glaze quality, chemical resistance, and joint performance. It includes testing for crushing strength, hydrostatic pressure, and leakage resistance to ensure durability and suitability for sewerage applications.
Test required for GLAZED STONEWARE PIPES AND FITTINGS
| Title | Mandatory/Optional |
|---|---|
| General Quality | Required |
| Glazing | Required |
| Hydraulic Test | Required |
| Absorption Test | Required |
| Test for Acid Resistance | Required |
| Test for Alkali Resistance | Required |
| Crushing strength test | Required |
| Internal diameter and tolerances | Required |
| Thickness of barrels, socket and bends | Required |
| Length and straightness of barrels or straight and taper pipe | Required |
| Tapers, bends and junctions | Required |
| Socket | Required |
| Grooving | Required |
| Dimensions | Required |
| Spigots and Sockets of fittings | Required |
| Grooving | Required |
Benefits of BIS Certification for GLAZED STONEWARE PIPES AND FITTINGS
1. Assured Structural Strength
BIS certification ensures pipes meet prescribed crushing strength and load-bearing requirements, making them suitable for underground installations and heavy soil pressure conditions.
2. Leak-Proof and Durable Performance
Certified products undergo hydrostatic and joint testing, reducing risks of leakage, groundwater contamination, and system failures in sewerage networks.
3. Resistance to Chemicals and Corrosion
BIS standards ensure proper glazing and material composition, providing resistance against acids, alkalis, and aggressive wastewater substances.
4. Legal Compliance and Market Approval
BIS certification is mandatory in India, enabling manufacturers to supply products for government and infrastructure projects without regulatory issues.
5. Enhanced Credibility and Trust
The BIS mark increases confidence among contractors, engineers, and municipal authorities, ensuring quality assurance and long-term performance in drainage systems.