GB/T 45899-2025 Active National standards

GB/T 45899-2025 Anaesthetic and respiratory equipment—Compatibility with oxygen

Publish Date: 2025-06-30 Implement Date: 2026-07-01 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: GB/T 45899-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Surgical room equipment

ICS Name: Anesthesia, respiration, and resuscitation equipment

Publish Date: 2025-06-30

Implement Date: 2026-07-01

Pages: 44 pages

Scope

This document specifies the requirements for the compatibility of materials, components, and equipment in anesthesia and respiratory applications with oxygen, under normal or single-fault conditions where the gas pressure exceeds 50 kPa.
Note 1: Additionally, this document provides general guidance for selecting materials and components based on existing data on oxygen compatibility, as well as for risk analysis of the toxicity of combustion and/or decomposition products.
Note 2: This document proposes compatibility characteristics at all stages of design, production, maintenance, and handling, including cleanliness, flame retardancy, and the toxicity of combustion and/or decomposition products.
This document applies to anesthesia and respiratory equipment. For example: medical gas piping systems, pressure regulators, terminals, medical supply units, flexible connections, flowmeter devices, anesthesia workstations, and ventilators.
This document does not apply to biocompatibility.