T/ZZB 2312-2021 Active Group standards

T/ZZB 2312-2021 Direct-acting electronic expansion valve for air conditioning

Publish Date: 2021-08-26 Implement Date: 2021-09-26 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: T/ZZB 2312-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Refrigeration equipment

ICS Name: Refrigeration technology

Publish Date: 2021-08-26

Implement Date: 2021-09-26

Scope

Main technical content: This document specifies the terms and definitions, models and basic parameters, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments of direct-acting electronic expansion valves for air conditioning (hereinafter referred to as expansion valves). This document is applicable to direct-acting electronic expansion valves for air conditioning with a rated voltage not exceeding DC36V, and refrigerants such as R22, R407C, R410A, R32, R290, and R454B. Expansion valves using other refrigerants can be implemented with reference to this document.