Specification for vessels for use in heating systems - Calorifiers and storage vessels for central heating and hot water supply Ingestion-build-71203 Plastic Encapsulated Microcircuits (PEMs) are

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BS 2G 223 specifies the requirements for the design and testing of insulated and uninsulated screen terminating devices for general purpose screened electrical cables or wires for aircraft in the temperature ranges defined in the relevant cable specifications

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Specification for vessels for use in heating systems - Calorifiers and storage vessels for central heating and hot water supply Ingestion-build-71203 Plastic Encapsulated Microcircuits (PEMs) are1 Scope This British Standard specifies the strength and method of construction of calorifiers and storage vessels designed for central heating and hot water supply. It also specifies suitable safety devices and methods of pressure testing. The standard covers units with shells made from copper or carbon steel. Reference is made to the protection from corrosion of carbon steel shells, by galvanizing, sealed zinc spraying or copper lining. This