Path: Home > JB/T > Page105 > JB/T 14843-2024 || Home > Standard_List > JB/T > Page105 > JB/T 14843-2024

JB/T 14843-2024 PDF English

Std ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status
JB/T 14843-2024	English	RFQ	ASK	3 days [Need to translate]	(Electronic expansion valve for carbon dioxide refrigeration system)	Valid

Standard similar to JB/T 14843-2024

Standard ID	JB/T 14843-2024 (JB/T14843-2024)
Description (Translated English)	(Electronic expansion valve for carbon dioxide refrigeration system)
Sector / Industry	Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard	J73
Classification of International Standard	27.2
Date of Issue	2024-10-24
Date of Implementation	2025-05-01
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This standard specifies the model, basic parameters and technical requirements of electronic expansion valves for carbon dioxide refrigeration systems, describes the corresponding test methods, and specifies inspection rules, marking, packaging, transportation and storage. This standard applies to the manufacture of electronic expansion valves for refrigeration systems in the fields of heat pump hot water and refrigeration and freezing, with R744 (CO2) as the refrigerant, a rated voltage not greater than DC36V, and a valve diameter not greater than 8mm. It is used as a reference for the manufacture of electronic expansion valves for refrigeration systems in other fields (such as electric air conditioning systems for new energy vehicles, etc.).