NA 052

DIN Standards Committee Road Vehicles and Mobility

Project

Road vehicles - R744-Air-conditioning systems - Back-pressure valves; Text in German and English

Abstract

This DIN SPEC describes the functions and requirements from the view of the vehicle manufacturers for the quality, strength and lifetime of back-pressure valves which are operated in refrigeration circuits with refrigerant R744 and determines functional tests.

Begin

2026-01-14

Planned document number

DIN 74112

Project number

05203069

Responsible national committee

NA 052-00-35-51 AK - Air conditioning  

previous edition(s)

Road vehicles - R744-Air-conditioning systems - Back-pressure valves; Text in German and English
2015-11

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