EN 12735-2 PDF

BRITISH STANDARD BS EN Incorporating Amendment No. 1 Copper and copper alloys — Seamless, round copper tubes for air. BS EN specifies the requirements, sampling, test methods and conditions of delivery for seamless round copper tubes, smooth. DIN EN Copper and copper alloys – Seamless, round tubes for air conditioning and refrigeration – Part 2: Tubes for equipment.

This European Standard specifies the requirements, sampling, test methods and conditions of delivery for seamless round copper tubes, e or inner grooved, used for heat exchangers and their internal connecting pipes in the manufacturing of refrigeration and air conditioning equipment.

ENCopper and copper alloys — Seamless, round tubes for heat exchangers. Although we endeavour to maintain an up-to-date catalogue, on occasion we may not have the latest version of a document, including where it has not yet been provided through an international feed. EXAMPLE 1 Ordering details for m copper tube conforming to ENin temper Y light annealednominal outside diameter 16 mm, nominal wall thickness 0,5 mm, smooth inner surface, nominal length 3 m, straight lengths: Air conditioners, liquid chilling packages, heat pumps for space heating and cooling, dehumidifiers and process chillers.

The tolerances on length for tubes ordered in specified fixed lengths shall conform to Table 5.

We use cookies to make our website easier to use and to better understand your needs. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. The attention of the user of this standard is drawn to the fact that national or local regulations or practices might restrict the choice of dimensions and tempers in the application of products conforming to this standard.

BS EN 12735-2:2010

Page 17 EN NOTE For smaller deliveries, this number can be agreed between the purchaser and the supplier. Compliance with a British Een does not of itself confer immunity from legal obligations.

Copper and copper alloys. Tubes for equipment This document has been re-assessed by the committee, and judged to still be up to date. A British Standard does not purport to include all the necessary provisions of a contract.

Copper, having a face-centred cubic crystal structure, does not suffer a transition from ductile to brittle failure like some other materials. For a reference test trichlorethylene 12375-2 be used. For undated references, the latest edition of the publication referred to applies including amendments. The quantity of solvent used for the blank test shall be the same as that used for the actual examination of the tube sample.

The BSI copyright 127352- displayed in this document indicates when the document was last issued.

All tubes less than or equal to 42 mm diameter shall be subjected to the eddy current test described in 8. It provides mutual comprehension at the international level with regard to products which meet the requirements of the relevant European Standard. Tubes for equipment Status: The permissible number of defects is proportional to the mass and is indicated in Table 8 for a 90 kg coil for deliveries of 10 t minimum.

Users of British Standards should make sure that they possess the latest amendments or editions. Sustainable Development Goals and standardisation, how do they connect?

BS EN 铜和铜合金 空调和制冷用无缝圆铜管 第２部分：设备用管子 – MBA智库文档

It is important to 112735-2 that you purchase the right document. What is a standard? Amendments issued since publication Amd. Tubes for equipment Status: No published date found. If permission is granted, the terms may include royalty payments or a licensing agreement. The product designation for products to this standard shall consist of: Open one end of the tube and pour the solvent into a clean beaker. Table 9 — Drill diameters for reference standard tube Dimensions in millimetres Nominal outside diameter Drill diameter d over up to and including max.

ENCopper and copper alloys — Seamless, round copper tubes for air conditioning and refrigeration — Part 2: Copyright Copyright subsists in all BSI publications.

BS EN 12735-2:2016

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Seamless, round tubes for air conditioning and refrigeration. The product designation is no substitute for the full content of the standard. You may experience issues viewing this site in Internet Explorer 9, 10 or ENCopper and copper alloys — Seamless, round tubes for general purposes.

Close one end of the tube test piece and pour in suitable solvent, to one eighth of its capacity.