Standard No.:	GB 19762-2025
English Name:	Minimum allowable values of energy efficiency and energy efficiency grades for centrifugal pumps
Chinese Name:	离心泵能效限定值及能效等级
Chinese Classification:	F01    Technical management
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR; SAC
Issued on:	2025-02-28
Implemented on:	2026-3-1
Status:	to be valid
Superseding:	GB 19762-2007 The minimum allowable values of energy efficiency and evaluating values of energy conservation of centrifugal pump for fresh water GB 32284-2015 Minimum allowable values of energy efficiency and energy efficiency grades for petrochemical centrifugal pumps
Target Language:	English
File Format:	PDF
Word Count:	10500 words
Translation Price(USD):	315.0
Delivery:	via email in 1~5 business day

本文件规定了离心泵(包括清水离心泵和石油化工离心泵)的能效等级、能效限定值、能效计算方法和试验方法。
本文件适用于：
a)单级单吸清水离心泵、单级双吸清水离心泵、管道清水离心泵、多级清水离心泵、轻型多级清水离心泵；
b)输送洁净液体、安装闭式叶轮的单级单吸石油化工离心泵、单级双吸石油化工离心泵和多级石油化工离心泵。
本文件不适用于非金属离心泵和无轴封回转动力泵。