Refrigerating systems and heat pumps — Qualification of tightness of components and joints
文件核验信息（付费前可核对）
标准范围（官方英文摘要）
ISO 14903:2017 provides the qualification procedure for type approval of the tightness of hermetically sealed and closed components, joints and parts used in refrigerating systems and heat pumps as described in relevant parts of ISO 5149. The sealed and closed components, joints and parts concerned are, in particular, fittings, bursting discs, flanged or fitted assemblies. The tightness of flexible piping made from non-metallic materials is dealt with in ISO 13971. Metal flexible piping are covered by this document.
The requirements contained in this document are applicable to joints of maximum DN 50 and components of internal volume of maximum 5 l and maximum weight of 50 kg.
ISO 14903:2017 is intended to characterize their tightness stresses met during their operations, following the fitting procedure specified by the manufacturer, and to specify the minimal list of necessary information to be provided by the supplier of a component to the person in charge of carrying out this procedure.
It specifies the level of tightness of the component, as a whole, and its assembly as specified by its manufacturer.
It applies to the hermetically sealed and closed components, joints and pa
标准信息
- 标准号
- ISO 14903:2017
- 英文标题
- Refrigerating systems and heat pumps — Qualification of tightness of components and joints
- 发布单位
- —
- 技术委员会
- ISO/TC 86/SC 1
- 版本 / 版次
- 2
- 状态
- 现行
- 发布日期
- 2017
- ICS 分类
- 27.080 热泵
- 页数
- 34 页
- 官方定价
- CHF 151
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