GB/T 45897.3-2025: Pressure regulators for use with medical gases - Part 3: Pressure regulators integrated with cylinder valves (VIPRs)

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Scope

This Document specifies design, type testing, and marking requirements for cylinder valves
with integrated pressure regulators [referred to hereafter as (VIPRs)] intended for the
administration of medical gases in the treatment, management, diagnostic evaluation and care
of patients or for gases used for driving surgical tools.
EXAMPLE. Gases include oxygen, medical air and oxygen/nitrous oxide (laughing gas) mixtures.
This document applies to VIPRs mounted on refillable cylinders with a working pressure up to
30 000 kPa (300 bar) intended to be filled in cylinder filling facilities or on self-filling systems
as used in homecare applications.
VIPRs covered by this document are pressure pre-set and provided with a pressure outlet and/or
pre-set flow outlet(s).

Basic Data

Standard ID	GB/T 45897.3-2025 (GB/T45897.3-2025)
Description (Translated English)	Pressure regulators for use with medical gases - Part 3: Pressure regulators integrated with cylinder valves (VIPRs)
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	C46
Classification of International Standard	11.040.10
Word Count Estimation	38,337
Date of Issue	2025-08-01
Date of Implementation	2026-08-01
Issuing agency(ies)	State Administration for Market Regulation, Standardization Administration of China