GB 19762-2025: Minimum allowable values of energy efficiency and energy efficiency grades for centrifugal pumps

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Scope

This document specifies the energy efficiency level, energy efficiency limit value,
energy efficiency calculation method, test method of centrifugal pumps (including clean
water centrifugal pumps and petrochemical centrifugal pumps).
This document applies to:
a) Single-stage single-suction clean water centrifugal pumps, single-stage double-
suction clean water centrifugal pumps, pipeline clean water centrifugal pumps,
multi-stage clean water centrifugal pumps, light multi-stage clean water
centrifugal pumps;
b) Single-stage single-suction petrochemical centrifugal pumps, single-stage double-
suction petrochemical centrifugal pumps, multi-stage petrochemical centrifugal
pumps that transport clean liquids and are equipped with closed impellers.
This document does not apply to non-metallic centrifugal pumps and non-seal rotary
power pumps.

Basic Data

Standard ID	GB 19762-2025 (GB19762-2025)
Description (Translated English)	Minimum allowable values of energy efficiency and energy efficiency levels for centrifugal pumps
Sector / Industry	National Standard
Classification of Chinese Standard	F01
Classification of International Standard	27.010
Word Count Estimation	15,192
Date of Issue	2025-02-28
Date of Implementation	2026-03-01
Older Standard (superseded by this standard)	GB 19762-2007