Standard No.:	QC/T 790-2007
English Name:	Performance requirements and bench test methods for brake chamber
Chinese Name:	制动气室性能要求及台架试验方法
Chinese Classification:	T24    Braking system
Professional Classification:	QC    Professional Standard - Automobile
ICS Classification:	43.040.40 43.040.40    Braking systems 43.040.40
Issued by:	NDRC
Issued on:	2007-11-14
Implemented on:	2008-5-1
Status:	superseded
Superseded by:	QC/T 790-2018 Performance requirements and bench test methods of brake chamber for automotive vehicle and trailer
Superseded on:	2018-9-1
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	170.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the performance requirement and bench test method for diaphragm type brake actuator assembly (hereinafter referred to as brake actuator) and spring brake actuator assembly (hereinafter referred to as spring brake actuator) used in air brake system of motor vehicles and trailers. This standard is applicable to brake actuator and spring brake actuator used in air brake system of motor vehicles and trailers. 2 Normative References The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding the corrected contents), or revisions of, any of these publications does not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the documents. For undated references, the latest edition referred to applies. GB/T 10125 Corrosion Tests in Artificial Atmospheres - Salt Spray Tests GB/T 5620-2002 Road Vehicles - Braking of Automotive Vehicles and Their Trailers - Vocabulary 3 Terms and Definitions

Foreword II 1 Scope 2 Normative References 3 Terms and Definitions 4 Test Item 5 Performance Requirements 6 Test Methods