DB31/T 1252-2020 Abolished Shanghai CityLocal standards

DB31/T 1252-2020 Guide to the technology of energy-saving retrofiting for AC motor cooling fan

Publish Date: 2020-11-13 Implement Date: 2021-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DB31/T 1252-2020

Standard Type: Local standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Technical management

ICS Name: Integrated Energy and Heat Transfer Engineering

Publish Date: 2020-11-13

Implement Date: 2021-02-01

Pages: 12 pages

Scope

This document stipulates the principles and requirements for energy-saving renovations, energy-saving renovation measures, and the method for testing the aerodynamic performance of cooling and ventilation systems.
This document applies to the technical requirements for energy-saving renovations of cooling fans for AC motors with a capacity of 22 kW to 450 kW (hereinafter referred to as "cooling fans") that have already been put into use.

Development Information

Word Count: 12 Thousand words Pages: 12 pages

Referenced Standards

GB/T 1236-2017 Industrial fan—Performance testing using standardized airways GB 19761-2005 The minimum allowable values of energy efficiency and evaluating values of energy conservation for fan GB 19761-2009 Minimum allowable values of energy efficiency and energy efficiency grades for fan GB 19761-2020 Minimum allowable values of energy efficiency and energy efficiency grades for fan JB/T 10562-2006 General Purpose Axial Flow Fan Technical Specification JB/T 10563-2006 General Purpose Centrifugal Fans Technical Specification JB/T 10563-2006

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