IS 32312:1967
Propeller Type a.c. Ventilating Fans
summary
Propeller Type A.C. Ventilating Fans are electrically operated ventilation devices designed to move large volumes of air for exhaust or fresh air circulation. They use propeller blades mounted directly on an AC motor shaft and are commonly installed in industrial, commercial, and residential spaces for ventilation purposes.
Why BIS Certificate is Mandatory for Propeller Type a.c. Ventilating Fans
BIS certification is mandatory to ensure safety, performance, and reliability of propeller type AC ventilating fans. These fans operate on electricity and are widely used in buildings. BIS standards help prevent electrical hazards, overheating, mechanical failures, and ensure compliance with Indian safety and quality regulations.
What is BIS Certified for Propeller Type a.c. Ventilating Fans
The BIS certified specification defines requirements for construction, electrical safety, insulation resistance, air delivery performance, input power, temperature rise limits, and mechanical strength of propeller type AC ventilating fans. It ensures the product meets Indian Standards for safe operation, durability, and efficient ventilation performance.
Test required for Propeller Type a.c. Ventilating Fans
| Title | Mandatory/Optional |
|---|---|
| Flash Test | Required |
| Simple running Test | Required |
| Starting | Required |
| EPower Factor Test | Required |
| High Voltage Test | Required |
| Insulation –Resistance Test | Required |
| Earthing Continuity Test | Required |
| Electrical Input Test | Required |
| Measurement of Fan Speed | Required |
| Air Delivery | Required |
| Temperature Rise | Required |
| a.c. Leakage Test | Required |
| Insulation –Resistance Test | Required |
| Moisture proofness Test | Required |
| Mechanical Endurance Test | Required |
Benefits of BIS Certification for Propeller Type a.c. Ventilating Fans
1. Electrical Safety Assurance
BIS certification ensures fans meet strict electrical safety requirements, reducing risks of electric shock, short circuits, insulation failure, and fire hazards during operation.
2. Reliable Performance Standards
Certified fans are tested for air delivery, power consumption, and temperature rise, ensuring consistent ventilation performance in various environmental conditions.
3. Improved Product Durability
BIS standards verify construction quality, blade balance, and motor strength, enhancing long-term reliability and reducing maintenance issues.
4. Legal Market Access in India
BIS certification is mandatory, allowing manufacturers and importers to legally sell ventilating fans without facing penalties, product bans, or regulatory issues.
5. Increased Consumer Confidence
The BIS mark builds trust among buyers, contractors, and institutions by assuring compliance with Indian safety and quality standards.