1. Summary about Butterfly Valves for General Purpose

Butterfly valves for general purpose are flow-control devices used to regulate or isolate fluid flow in pipelines. They are commonly applied in water supply, wastewater, HVAC, fire protection, and industrial process systems due to their compact design and quick operation.

2. Why BIS Certificate is Mandatory for Butterfly Valves for General Purpose

BIS certification is mandatory because these valves are used in critical fluid systems where leakage or failure can lead to safety hazards, service disruption, or infrastructure damage. Mandatory certification ensures minimum performance and durability standards.

3. What is BIS Certified for Butterfly Valves for General Purpose

BIS certification confirms conformity with the applicable Indian Standard issued by the :contentReference[oaicite:0]{index=0} through design verification, performance testing, and manufacturing quality audits.

Tests required for Butterfly Valves for General Purpose

Title	Mandatory/Optional
Body ends	Required
Face to face dimensions	Required
Bodies	Required
Disc and Shaft	--
Seating and Lining	--
Bearings	--
Material	Optional

Operation

Title	Mandatory/Optional
Manual Operation	Required
Electric Operation	Required
Hydraulic operation	Required
Pneumatic operation	Required

Testing

Title	Mandatory/Optional
Performance testing	Required
Body test	Required
Seat test	Required
Disc strength test	Required
Preparation for despatch	Required

4. Benefits of BIS Certification for Butterfly Valves for General Purpose

Ensures leak-proof and reliable performance
Mandatory approval for regulated applications
Improves service life and operational safety
Enhances acceptance in public utility projects
Strengthens manufacturer credibility