IS 9890 : 1981
General Purpose Ball Valves
summary
General Purpose Ball Valves are quarter-turn valves used to control the flow of liquids and gases in pipelines. They consist of a rotating ball with a bore that allows or blocks flow. These valves are widely used in water supply, oil, gas, HVAC, and industrial applications due to durability and leak-proof performance.
Why BIS Certificate is Mandatory for CGeneral Purpose Ball Valves
BIS certification is mandatory to ensure General Purpose Ball Valves meet safety, pressure, and performance requirements under Indian Standards. Since these valves control fluid flow in domestic and industrial systems, certification prevents leakage, material failure, and operational hazards, ensuring product reliability, public safety, and regulatory compliance in India.
What is BIS Certified for CGeneral Purpose Ball Valves
The BIS certified specification defines requirements for materials, design, pressure ratings, dimensions, workmanship, sealing performance, and testing of General Purpose Ball Valves. It includes hydrostatic pressure tests, leak tests, strength verification, and marking requirements to ensure valves perform safely and reliably in water, oil, and gas applications.
Test required for CGeneral Purpose Ball Valves
| Title | Mandatory/Optional |
|---|---|
| Thread Connections | Required |
| Outside Diameter of Sealing face | Required |
| Flange Dimensions | Required |
| Face to Face Dimensions | Required |
| Drain Connections | Required |
| Joints | Required |
| Operation | Required |
| Material | Optional |
| Trim | Required |
| Despatch Preparation | Required |
Benefits of BIS Certification for CGeneral Purpose Ball Valves
1. Assured Safety and Leak Prevention
BIS certification ensures valves undergo rigorous pressure and leakage testing, reducing risks of pipe bursts, fluid leakage, and operational failures.
2. Verified Material Quality
Certified valves use approved raw materials that meet chemical and mechanical standards, ensuring corrosion resistance and long service life.
3. Consistent Performance Standards
BIS standards ensure uniform manufacturing, proper sealing, and smooth operation across production batches.
4. Legal Market Approval
Mandatory BIS certification allows manufacturers and importers to legally sell ball valves in India without facing regulatory penalties.
5. Increased Market Trust and Acceptance
BIS-marked valves gain higher credibility among contractors, industries, and government projects, improving brand reputation and competitiveness.