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What Are the Contents and Requirements of GB19153 Standard for Energy Efficiency Testing of Air Compressors?

Time:2026-05-07 15:51:12

1、 Standard Overview
GB 19153-2019 "Minimum Allowable Values and Energy Efficiency Grades for Positive Displacement Air Compressors" (implemented on July 1, 2020) is a mandatory national standard, which focuses on controlling the energy efficiency of air compressors through the classification and admission of unit specific power (kW/(m ³/min).
 
2、 Scope of application (covering main models)
 
Model Power Range Output Pressure
General used oil injection rotary (screw/single screw/slide/vortex) 1.5630kW 0.251.4MPa
Variable speed (frequency conversion/permanent magnet frequency conversion) fuel injection rotary screw 2.2315kW 0.251.4MPa
General used reciprocating pistons 0.7575kW 0.251.4MPa
Oil free reciprocating piston 0.5522kW 0.41.4MPa
Directly connected portable reciprocating piston 0.5522kW 0.251.0MPa
 
3、 Definition of Core Terms
Unit volumetric flow rate: actual displacement under standard suction conditions (m ³/min).
Unit power: The total electrical power input to the compressor (excluding post-processing equipment).
Unit specific power: Unit power ÷ Unit volumetric flow rate (core assessment indicator, the lower the value, the more energy-efficient it is).
Energy efficiency level: divided into level 1 (highest), level 2, and level 3 (entry threshold).
 
4、 Energy efficiency rating and limit values
Special rules for frequency converters: Weighted specific power is calculated based on 25%/50%/70%/100% load weighting, with 70% load having the highest weight (0.4); The minimum air volume greater than 40% of full load is evaluated according to the fixed speed machine.
 
5、 Calculation Method (GB/T 3853 Execution)
Test parameters: Simultaneously measure volumetric flow rate, input power, exhaust pressure, suction temperature/humidity, and instrument accuracy meets GB/T 3853.
Specific power calculation: eVC=P/q (P=unit input power, q=volumetric flow rate).
Weighted formula for frequency converter: eVC (weighted)=0.1 × eVC25%+0.2 × eVC50%+0.4 × eVC70%+0.3 × eVC100%.
 
Energy Efficiency Testing of Air Compressors
6、 Meaning of rules
Production end: forcing enterprises to upgrade their designs (such as high-efficiency hosts, permanent magnet motors, and variable frequency control) and eliminate inefficient production capacity.
User side: When purchasing, equipment can be selected according to energy efficiency levels, significantly reducing long-term electricity costs.
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