NA 052
DIN Standards Committee Road Vehicles and Mobility
Project
Road vehicles - R744-Air-conditioning systems - Electric expansion valve, shut off valve and reversing valve; Text in German and English
Abstract
This Dokument describes the functions and requirements for the quality, strength and lifetime as well as the related tests for electric expansion valves, shut-off valves and reversing valves which are operated in motor vehicle air-conditioning systems with refrigerant R744.
Begin
2026-01-22
Planned document number
DIN 74120
Project number
05203070
