T/SDHIA 12-2024 Active Group standards

T/SDHIA 12-2024 roof 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 12-2024

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 fans are manufactured according to the drawings and technical documents approved by the prescribed procedures and shall comply with the requirements of this standard. In case of special requirements, they may be manufactured according to the agreement between the supplier and the purchaser. The materials selected for the fans shall meet the requirements of the medium being transported and the specified operating conditions. The fan casing and impeller shall have sufficient rigidity and not deform during normal handling and operation. Transportation and installation lifting devices should be provided for large components such as the fan hood and casing. The efficiency of the motors used with the fans shall comply with the provisions of GB 18613. The purchased and outsourced components of the fans shall have a quality certificate and be qualified after reinspection by the quality inspection department. Under the specified operating conditions, the centrifugal fans and auxiliary equipment are designed to have a service life of at least 10 years (except for wear parts) and a safe operating time of no less than 20,000 hours before the first major overhaul. Environmental conditions for fan operation: The operating temperature range of the fan is -20°C to 60°C. The appearance of the fan shall comply with the provisions of JB/T9062-2013 Section 5.6. The surface shall be smooth, free from bubbles, cracks, and uneven thickness defects. The coating shall be uniform and free from peeling or scratches. Welded parts shall be flat and free from pores or cracks. The internal and external surfaces of the fan must be clean, and the product nameplate shall be installed flat and firmly. For fans with motors equipped with lead wires, the motors shall be intact and undamaged, and the markings shall comply with the provisions of GB/T 1971. After assembly of fans with impellers not exceeding 1,250 mm in diameter, a mechanical operation test shall be