T/CDSA 402.11-2025 Active Group standards

T/CDSA 402.11-2025 The inspection requirements for a supply-based underwater gas supply device

Publish Date: 2025-02-18 Implement Date: 2025-05-01 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/CDSA 402.11-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Other

Publish Date: 2025-02-18

Implement Date: 2025-05-01

Scope

Main technical content: (1) Regular technical inspections: 1. Visual inspection of: headgear, face cushions, face masks, air supply tubes, umbilical cords, synthetic webbing, emergency gas cylinders and valves 2. Technical testing of: secondary pressure regulators, air-tightness of check valves, air-tightness of combination valve bodies, receivers, overall mask sealing, transparency of face masks, emergency gas cylinders and valves, air-tightness of emergency gas cylinder pressure regulators, air supply tube air-tightness, air-tightness of dry diving suits, and diving communication systems (2) Regular inspection cycles: 1. Regular technical inspections for self-contained surface breathing diving equipment 2. Regular inspections of diving gas cylinders