HJ/T 383-2007
Technical requirement for environmental protection product. Exhaust muffler of automobile engines (English Version)

Standard No.

HJ/T 383-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

Professional Standard - Environmental Protection

Latest

HJ/T 383-2007

Replace

HCRJ 072-1999

Scope

This standard specifies the definition, classification, requirements, test methods, inspection rules and marking, packaging and transportation of automobile engine exhaust mufflers. This standard applies to M and N class automobile engine exhaust mufflers (hereinafter referred to as "mufflers").

HJ/T 383-2007 Referenced Document

• GB 1495 Limits and measurement methods for noise emitted by accelerating motor vethicles
• GB/T 14365 Acoustics—Measurements of sound pressure level emitted by stationary road vehicles*， 2017-12-29 Update
• GB/T 4759 Exhaust silencers for internal combustion engines.Measurement procedure*， 2009-03-19 Update

HJ/T 383-2007 history

• 2007 HJ/T 383-2007 Technical requirement for environmental protection product. Exhaust muffler of automobile engines