T/DYZL 043-2025 Active Group standards

T/DYZL 043-2025 Technical Specifications for Regular Inspection of Corrugated Metal Hoses in Pressure Vessels

T/DYZL 043-2025

Publish Date: 2025-11-15 Implement Date: 2025-11-15 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 043-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Broadcasting and television transmission and reception equipment

ICS Name: Pressure vessels, gas cylinders

Publish Date: 2025-11-15

Implement Date: 2025-11-15

Scope

This document specifies the basic methods and technical requirements for the regular inspection of corrugated metal hoses for pressure vessels. This document applies to the regular inspection of corrugated metal hoses for pressure vessels used to fill or discharge media such as gases, liquefied gases, frozen liquefied gases, or liquids, connecting mobile and fixed pressure vessels. Inspection of hoses made from other materials can be carried out in accordance with this document. This document specifies the responsibilities and definitions of inspection agencies and related technical personnel for the regular inspection of corrugated metal hoses for pressure vessels; preparation before inspection, inspection classification items and cycles, as well as technical requirements for data review, visual inspection, pressure resistance testing, and leakage testing.