2520 标准查询与下载

DIN 3168:1989 配电箱的冷却器.概念、试验和标记

This standard applies units for switch cabinets, equipped with closed refrigerating systems with electric motor driven compressors and used to carry off heat from self-contained housings under particular operating conditions.#,,#

Coolers for distribution boxes; concepts testing, marking

DIN 8929:1987 家用制冷机和冷冻机的密封压缩机的连接

This standard is to be applied to hermetically sealed compressors with a theoretical colume flow of approximately 2 cubic meter per hour that are destined for use in domestic refrigeratore and freezers manufactured in series.

Connections on hermetically sealed compressors for domestic refrigerators and freezers

DIN 8971:1987 制冷机用单级冷凝装置.标准额定条件.试验.数据单和标识牌上应规定的信息

This standard applies to single stage condensing units for mounting in refrigerating systems.

Single stage condensing units for refrigerating systems; standard rating conditions; testing; information to be specified on data sheets and identification plates

DIN 8947:1986 加热泵.水加热的电动压缩机加热泵装置.概念、要求和试验

Heat pumps; heat pump units with electrically driven compressors for water heating; concepts, requirements, testing

DIN 8941:1982 制冷技术的符号和单位

Symbols and units for refrigeration

Symbols and units for refrigeration

VSM 53150-1977 折叠封口的保存盒盖．直径117mm

Storage box lid with foldable seal. Diameter 117mm

VSM 53151-1977 未加工纸板和毛毡纸板．检查方法

Unprocessed cardboard and felt cardboard. Inspection Method

VSM 53124-1964 筛孔尺寸和颗粒大小．天然砂石，沙子和断裂材料分类

Sieve hole size and particle size. Classification of natural gravel, sand and fracture materials