Propeller Type a.c.Ventilating Fans
IS code: IS 2312:1967

Description
IS 2312:1967 is an Indian Standard titled Propeller Type A.C. Ventilating Fans. This standard provides specifications and requirements for ventilating fans that use a propeller design and are powered by alternating current (A.C.).
Some of the key aspects covered by IS 2312:1967 include:
1. Scope:
The standard defines the scope and purpose of the specification, which is to establish requirements for A.C. ventilating fans with a propeller design.
2. Materials and Composition:
Specifications for the materials used in the construction of these fans, ensuring they meet the necessary quality and safety standards. This includes details about the fan's components, such as the propeller, housing, and motor.
3. Design and Construction:
Guidelines for the design and construction of the fans, including aspects related to the type, size, and configuration of the propeller, the housing design, and other construction features.
4. Performance Requirements:
Requirements for the performance characteristics of the fans, including details on air delivery, speed, power consumption, and other relevant parameters.
5. Testing and Inspection:
Procedures for testing and inspecting the fans to verify their compliance with the standard. This may include tests for performance, quality control measures, and safety.
Test Required for IS 2312:1967
Starting
Air Delivery
Mechanical Endurance Test (for Regulator)
Power Factor Test
a.c. Leakage Test
Earthing Continuity Test
Electrical Input Test
Measurement of Fan Speed
Flash Test

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.
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