GB 12021.9-2021 PDF EnglishUS$125.00 · In stock · Download in 9 seconds
GB 12021.9-2021: Minimum allowable values of energy efficiency and energy efficiency grades for electric fans Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB 12021.9: Historical versions
Similar standardsGB 12021.9-2021: Minimum allowable values of energy efficiency and energy efficiency grades for electric fans---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB12021.9-2021 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 27.010 CCS F 01 Replacing GB 12021.9-2008 Minimum allowable values of energy efficiency and energy efficiency grades for electric fans ISSUED ON: OCTOBER 11, 2021 IMPLEMENTED ON: NOVEMBER 01, 2022 Issued by: State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword ... 3 1 Scope ... 5 2 Normative references ... 5 3 Terms and definitions ... 5 4 Energy efficiency grade ... 6 5 Technical requirements ... 7 6 Test method and energy efficiency calculation method ... 8 Appendix A (Normative) Determination of wind gathering fans ... 10 Minimum allowable values of energy efficiency and energy efficiency grades for electric fans1 ScopeThis document specifies the energy efficiency grades, technical requirements, test methods and energy efficiency calculation methods for electric fans. This document applies to AC or DC motor driven table fans, louver fans, wall fans, floor fans, pedestal fans and ceiling fans, of which the single-phase rated voltage does not exceed 250 V and other rated voltages do not exceed 480 V.2 Normative referencesThe contents of the following documents constitute the indispensable clauses of this document through normative references in the text. For dated references, only the version corresponding to that date is applicable to this document; for undated references, the latest version (including all amendments) is applicable to this document. GB/T 13380-2018, A.C. electric fans and regulators GB/T 35758-2017, Household electrical appliances - Measurement of standby power QB/T 5262-2018, D.C. electric fans3 Terms and definitionsTerms and definitions determined by GB/T 13380-2018, GB/T 35758-2017 and QB/T 5262-2018, and the following ones are applicable to this document. 3.1 Energy efficiency for electric fans The ratio of the output air volume to the input power of the electric fan. 3.2 Minimum allowable values of energy efficiency for electric fans The minimum allowable value of energy efficiency for electric fans under the test conditions specified in the standard, on the premise of meeting the standby power requirements. 3.3 Standby power The power when the electric fan is switched on and in a waiting state (the motor is not working). 3.4 Wind gathering fans Table fans, wall fans, floor fans and pedestal fans whose ratio of the air volume of the inner circle to the air volume of the outer circle is not less than 0.9.4 Energy efficiency gradeThe energy efficiency grade for electric fans is divided into 3 grades, of which grade 1 has the highest energy efficiency. The energy efficiency value of products of each specification shall meet the requirements of Table 1; its standby power (if applicable) shall meet the requirements of Table 2. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB 12021.9-2021 be delivered?Answer: The full copy PDF of English version of GB 12021.9-2021 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB 12021.9-2021_English with my colleagues?Answer: Yes. The purchased PDF of GB 12021.9-2021_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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