T/SDHIA 11-2024 Active Group standards

T/SDHIA 11-2024 4-72 centrifugal fan

Publish Date: 2024-12-21 Implement Date: 2024-12-31 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/SDHIA 11-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Refrigeration technology

Publish Date: 2024-12-21

Implement Date: 2024-12-31

Scope

Main technical content: The appearance of the fan shall comply with the requirements of Clause 5.6 of JB/T9062-2013. The surface shall be smooth, free from bubbles, cracks, or uneven thickness defects. The coating shall be uniform and free from peeling or scratches. Welded joints shall be smooth and free from pores or cracks. The inner and outer surfaces of the fan must be clean. The product nameplate shall be installed flat and firmly. For fans equipped with motor leads, the motor leads shall be intact and undamaged, and the markings shall comply with the requirements of GB/T 1971. Under specified operating conditions, the centrifugal fan and auxiliary equipment are designed to operate safely for at least 10 years (excluding wear parts) and for no less than 20,000 hours before the first major overhaul. The fan shall be manufactured according to the drawings and technical documents approved by the specified procedures and meet the requirements of this standard. Special requirements may be subject to agreements between the supplier and the purchaser. The materials selected for the fan shall meet the requirements of the transported medium and the specified operating conditions, and be able to achieve their corresponding design service life. The energy efficiency of the motor used with the fan shall comply with the requirements of GB 18613. The purchased or outsourced components of the fan shall have a quality certificate and be approved by the quality inspection department before use. The installation surface of the fan shall be flat and have good contact with the contact surface or platform. The outer surface of the casing shall be clean, uniform, and smooth, with welded joints repaired to be flat. Welded parts shall not have cracks, undercuts, or dense pores. The casing shall have sufficient strength to minimize deformation and vibration. The impeller shall have sufficient rigidity and not deform during normal handling and operation. The main shaft is gene