T/DYZL 026-2022 Active Group standards

T/DYZL 026-2022 Metal regular pressure tank for liquid dangerous goods in road transportation tank vehicle regular inspection specification

Publish Date: 2022-09-29 Implement Date: 2022-09-29 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/DYZL 026-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Other specialized vehicles

ICS Name: Trucks and trailers

Publish Date: 2022-09-29

Implement Date: 2022-09-29

Scope

Scope: This document applies to the regular inspection of tanks (hereinafter referred to as "tanks") that are filled with liquid dangerous goods, have a normal operating pressure of less than 0.1 MPa during transportation, are made of metal, and are permanently connected to standard automobile chassis or tank semi-trailer walking mechanisms. This document does not apply to tanks with special requirements such as non-metallic materials, vacuum insulation structures, or military equipment. Note 1: The scope of tank definition is as follows: a) The bevel surface of the first circumferential joint welded to the tank and pipelines; b) The end face of the first threaded joint connected to the tank and pipelines, safety accessories, instruments, and loading and unloading accessories; c) The end covers, end plugs, and their fasteners of the tank's opening parts; d) The welding seams connecting the tank to non-pressurized components. Note 2: Pipelines include all pipes and fittings connected to the tank. Note 3: Accessories include all safety accessories, instruments, and loading and unloading accessories. Main Technical Content: 5 Pre-inspection Preparations 5.1 Preparations by the Commissioning Unit 5.2 Preparations by the Inspection Unit 5.3 Inspection Environment and Safety Protection Checks 5.4 Inspection Contents 6 Inspection Items, Methods, and Requirements 6.1 Review of Tank Documentation 6.2 Structural and Geometric Dimension Inspection 6.3 Tank Appearance Inspection 6.4 Accessory Inspection 6.5 Tank Wall Thickness Measurement 6.6 Tank Test (if necessary) 6.7 Inspection of the Tank's Connection to the Chassis (or Walking Mechanisms)