This European Standard specifies the requirements, sampling, test methods and conditions of delivery for seamless round copper tubes, smooth or inner finned, used for heat exchangers and their internal connecting pipes in the manufacturing of refrigeration and air conditioning equipment. It is applicable to tubes with an outer diameter from 6 mm up to and including 133 mm. The tubes are supplied in straight length in the material conditions hard or half-hard or as coils in the material condition annealed (soft).
Số hiệu tiêu chuẩn
prEN 12735-2
Tên tiêu chuẩn
Copper and copper alloys - Seamless, round copper tubes for air conditioning and refrigeration - Part 2: Tubes for equipment
Ngày phát hành
2008-12-00
Tiêu chuẩn tương đương
DIN EN 12735-2 (2009-01), IDT * A51-126-2PR, IDT * OENORM EN 12735-2 (2009-03-01), IDT
Từ khóa
Air conditioning * Apparatus * Circular tubes * Composition * Connection tubes * Copper * Copper alloys * Copper pipes * Copper tubes * Definitions * Delivery conditions * Designations * Dimensions * Eddy-current tests * Form of delivery * Heat exchangers * Limit deviations * Marking * Materials * Mechanical properties * Non-ferrous metals * Order indications * Packages * Refrigeration * Seamless pipes * Specification (approval) * Testing * Wall thicknesses * Vessels