This standard specifies designation, basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of L type cooling tower fan (hereinafter referred to as fan).
This standard is applicable to mechanical draft cooling tower fan of circulating water cooling system, relative air humidity of which is less than or equal to 100%.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
GB 191 Packaging-Pictorial Marking for Handling of Goods
GB/T 718 Foundry Pig Iron
GB/T 1220 Stainless Steel Bars
GB/T 1236 Industrial Fans-performance Testing Using Standardized Airways
GB/T 3077 Alloy Structure Steels
GB/T 3480 Calculation Methods of Load Capacity for Involute Cylindrical Gears
GB/T 7190.1 Glass Fiber Reinforced Plastic Cooling Tower - Part 1: Middle and Small Glass Fiber Reinforced Plastic Cooling Tower
GB/T 7190.2 Glass Fiber Reinforced Plastic Cooling Tower - Part 2: Large Glass Fiber Reinforced Plastic Cooling Tower
GB/T 9239 Balance Quality of Rigid Rotors - Determination of Permissible Residual Unbalance
GB/T 10062 Methods for the Calculation of Load Capacity for Bevel Gears
GB/T 10095.1 Cylindrical Gears-System of Accuracy-Part 1: Definitions and Allowable Values of Deviations Relevant to Corresponding Flanks of Gear Teeth
GB/T 10095.2 Cylindrical Gears-System of Accuracy-Part 2:Definitions and Allowable Values of Deviations Relevant to Radial Composite Deviations and Runout Information
GB/T 11365 Accuracy of Bevel and Hypoid Gears
GB/T 13384 General Specification for Packagings of Mechanical and Electrical Products
GB/T 18370 Glass Fibre Woven Roving
GB/Z 18620 Cylindrical Gears - Code of Inspection Practice
JB/T 8831 Methods for Oil Selection of Industrial Enclosed Gears
YB/T 036.7 General Technical Specifications for Manufacturing of Metallurgy Equipment - Forging