ISO 21922 标准查询与下载

DIN EN ISO 21922:2023-09 制冷系统和热泵 阀门 要求、测试和标记（ISO 21922:2021）；德文版 EN ISO 21922:2021 / 注：将由 DIN EN ISO 21922/A1 (2023-10) 修订（准备中）

Refrigerating systems and heat pumps - Valves - Requirements, testing and marking (ISO 21922:2021); German version EN ISO 21922:2021 / Note: To be amended by DIN EN ISO 21922/A1 (2023-10) (in preparation).

DIN EN ISO 21922:2023 制冷系统和热泵 阀门 要求、测试和标记 (ISO 21922:2021)

Refrigerating systems and heat pumps - Valves - Requirements, testing and marking (ISO 21922:2021)

NS-EN ISO 21922:2021 制冷系统和热泵 阀门 要求、测试和标记（ISO 21922:2021）

  Full Description ADOPTED_FROM:EN ISO 21922:2021 This document specifies safety requirements, certain functional requirements

Refrigerating systems and heat pumps – Valves – Requirements, testing and marking (ISO 21922:2021)

DANSK DS/EN ISO 21922:2021 制冷系统和热泵 阀门 要求、测试和标记（ISO 21922:2021）

  Full Description SAME AS ISO 21922 This European Standard specifies safety requirements, safety factors

Refrigerating systems and heat pumps – Valves – Requirements, testing and marking (ISO 21922:2021)

DIN EN ISO 21922:2018 制冷系统和热泵 阀门 要求、测试和标记（ISO/DIS 21922:2018）

Refrigerating systems and heat pumps - Valves - Requirements, testing and marking (ISO/DIS 21922:2018); German and English version prEN ISO 21922:2018

EN ISO 21922:2021/prA1 制冷系统和热泵 阀门 要求、测试和标记 修正案 1（ISO 21922:2021/DAM 1:2023）

This document specifies safety requirements, certain functional requirements, and marking of valves and other components with similar bodies

Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1 (ISO 21922:2021/DAM 1:2023)

DIN EN ISO 21922/A1:2023-10 制冷系统和热泵 阀门 要求、测试和标记 修正案 1 (ISO 21922:2021/DAM 1:2023)；德文版和英文版 EN ISO 21922:2021

Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1 (ISO 21922:2021/DAM 1:2023); German and English version EN ISO 21922:2021/prA1:2023 / Note: Date of issue 2023-08-25*Intended as an amendment to DIN EN ISO ...

DIN EN ISO 21922/A1 E:2023 制冷系统和热泵 阀门 要求、测试和标记 修订 1 (ISO 21922:2021/DAM 1:2023) 草案

Draft Document - Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1 (ISO 21922:2021/DAM 1:2023); German and English version EN ISO 21922:2021/prA1:2023

DIN EN ISO 21922 E:2018 制冷系统和热泵 阀门 要求、测试和标记（ISO/DIS 21922:2018） 草案

Draft Document - Refrigerating systems and heat pumps - Valves - Requirements, testing and marking (ISO/DIS 21922:2018); German and English version prEN ISO 21922:2018

ISO 21922:2021 制冷系统和热泵阀门要求、试验和标记

This document specifies safety requirements, certain functional requirements, and marking of valves and other components with similar bodies

Refrigerating systems and heat pumps — Valves — Requirements, testing and marking

18/30373013 DC BS EN ISO 21922 制冷系统和热泵 阀门 要求、测试和标记

BS EN ISO 21922. Refrigerating systems and heat pumps. Valves. Requirements, testing and marking

23/30456623 DC BS EN ISO 21922 AMD 1. 制冷系统和热泵 阀门 要求、测试和标记

BS EN ISO 21922 AMD 1. Refrigerating systems and heat pumps. Valves. Requirements, testing and marking

EN ISO 21922:2021 制冷系统和热泵阀门要求、试验和标记

Refrigerating systems and heat pumps - Valves - Requirements, testing and marking (ISO 21922:2021)

DS/ISO 21922:2021 制冷系统和热泵“阀门”要求、测试和标记

Refrigerating systems and heat pumps – Valves – Requirements, testing and marking

BS EN ISO 21922:2021 制冷系统和热泵 阀门 要求、测试和标记

Refrigerating systems and heat pumps. Valves. Requirements, testing and marking