UNPLASTICIZED PVC PIPES FOR POTABLE WATER SUPPLIES
IS code: IS 4985 : 2021
Description
IS 4985:2021 is an Indian Standard that specifies requirements for unplasticized polyvinyl chloride (UPVC) pipes used for potable water supplies. This standard is published by the Bureau of Indian Standards (BIS), which is the national standards body of India. The primary purpose of IS 4985:2021 is to ensure the quality and safety of UPVC pipes that are intended for use in conveying potable (drinkable) water in various applications, including residential, commercial, and industrial water supply systems. The standard sets forth requirements related to the materials, dimensions, performance characteristics, testing methods, and labeling of these pipes.
Some of the key aspects covered by IS 4985 : 2021 include:
1. Material Specifications:
It specifies the type of unplasticized PVC material that should be used in the manufacturing of these pipes.
2. Dimensions and Tolerances:
The standard defines the dimensions, wall thickness, and tolerances for UPVC pipes of different sizes.
3. Performance Requirements:
IS 4985:2021 sets performance criteria, including requirements for hydraulic properties, mechanical strength, and resistance to chemical corrosion. It may also include requirements for ultraviolet (UV) resistance to protect the pipes from environmental degradation when exposed to sunlight.
4. Testing Methods:
The standard provides procedures for conducting various tests to verify compliance with the specified requirements. These tests may include tests for tensile strength, impact resistance, hydrostatic pressure, and more.
5. Marking and Labeling:
It outlines the information that should be marked on the pipes, including manufacturer details, size, pressure rating, and relevant BIS certification marks.
Test Required for IS 4985 : 2021
Dimensions of pipes and socket
Dimensions of sealing rings
Pipe ends
Visual appearance
Opacity
Reversion test
Vicat softening temperature
Density
Hydrostatic characteristics – Acceptance test
Resistance to external Blows
Conclusions:
If a product falls within the purview of the BIS Conformity Assessment Scheme, it is mandatory for manufacturers, importers, and foreign entities to acquire BIS ISI Certification. The Bureau reserves the right to revoke the license in cases where the product does not meet the certification prerequisites.
Certificates.World has a long-standing track record of acting as a one-stop solution for all product regulatory compliance needs within the industry. We are well-equipped to aid importers and manufacturers in fulfilling all the requirements for importing or marketing a product in the Indian market.
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Features of ISI | BIS
- 1. Standardization:BIS is responsible for the development and maintenance of national standards for products and services in India.
- 2. Quality Assurance: BIS sets standards to ensure the quality, safety, and reliability of products and services in various industries.
- 3. Certification: BIS provides certification marks, such as the ISI mark, which indicate that a product meets the specified Indian standards. The ISI mark is a symbol of quality and safety.
- 4. Product Testing: BIS conducts product testing and quality control checks to ensure that products in the market comply with established standards
- 5. Consumer Protection: BIS standards are designed to protect consumers by ensuring that they receive products and services that meet defined quality and safety criteria.
