GB/T 46161.2-2025: Road vehicles - Pneumatic braking systems - Part 2: Pipes, male fittings and tapped holes with conical sealing surface

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Scope

This document specifies the basic dimensions, material requirements, and surface
protection requirements for metallic pipes and thermoplastic pipes, male fittings and
tapped holes with conical sealing surface used in pneumatic braking systems on road
vehicles operating at system pressures below 2 MPa.
This document applies to pneumatic braking systems on automobiles and trailers with
an air pressure below 2 MPa.

Basic Data

Standard ID	GB/T 46161.2-2025 (GB/T46161.2-2025)
Description (Translated English)	Road vehicles - Pneumatic braking systems - Part 2: Pipes, male fittings and tapped holes with conical sealing surface
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	T24
Classification of International Standard	43.040.40
Word Count Estimation	10,162
Date of Issue	2025-08-29
Date of Implementation	2026-03-01
Issuing agency(ies)	State Administration for Market Regulation; Standardization Administration of China