DB42/T 2143-2023
Regular Inspection Rules for Automotive Compressed Hydrogen Aluminum Liner Carbon Fiber Fully Wound Cylinders (English Version)

Scope: This document specifies the basic methods and judgment basis for the periodic inspection of compressed hydrogen aluminum liner carbon fiber fully wrapped gas cylinders (hereinafter referred to as gas cylinders) for vehicles. It is applicable to gas cylinders that comply with GB/T 35544, with a nominal working pressure not exceeding 70 MPa, a nominal water volume not exceeding 450 L, a storage medium of compressed hydrogen, an operating temperature not lower than -40°C and not higher than 85°C, and refillable gas cylinders fixed on road vehicles as fuel tanks. Gas cylinders for hydrogen supply such as hydrogen fuel cell urban rail transit can be inspected with reference to this document.

DB42/T 2143-2023 Referenced Document

GB 15382 General specifications of gas cylinder valves
GB 7144 Coloured cylinder mark for gases
GB 8335 Special threads for gas cylinders
GB/T 10878 Special taps of taper threads for gas cylinders
GB/T 12135 Technological specification for inspection agency of gas cylinders
GB/T 12137 Methods for leakage test of gas cylinders
GB/T 13005 Terminology of gas cylinders
GB/T 35544 Fully-wrapped carbon fiber reinforced cylinders with an aluminum liner for theon-board storage of compressed hydrogen as a fuel for land vehicles
GB/T 8336 Special thread gauges for gas cylinders
GB/T 9251 Methods for hydrostatic test of gas cylinders
TSG 23 Gas cylinder safety technical regulations
TSG Z7001 Rules for Approval of Special Equipment Inspection and Testing Institutions

2023 DB42/T 2143-2023 Regular Inspection Rules for Automotive Compressed Hydrogen Aluminum Liner Carbon Fiber Fully Wound Cylinders