This document specifies the performance requirements, test-related requirements and describes the bench test methods for automotive pneumatic brake caliper assemblies. This document applies to floating pneumatic brake caliper assemblies (excluding brake chambers) whose working medium is compressed air.
Basic Data
Standard ID
GB/T 31970-2025 (GB/T31970-2025)
Description (Translated English)
Performance requirements and bench test methods for air brake caliper assemblies of vehicles
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
T24
Classification of International Standard
43.040.40
Word Count Estimation
22,246
Date of Issue
2025-08-29
Date of Implementation
2026-03-01
Older Standard (superseded by this standard)
GB/T 31970-2015
Issuing agency(ies)
State Administration for Market Regulation, National Standardization Administration
