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.

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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.

Message to your colleague. ENCopper and copper alloys — Material condition or temper designation. It provides mutual comprehension at the international level with regard to products which meet the requirements of the relevant European Standard.

Page 16 EN This European Standard specifies the requirements, sampling, test methods and conditions of delivery for seamless round copper tubes, smooth or inner grooved, used for heat exchangers and their internal connecting pipes in the manufacturing of refrigeration and air conditioning equipment.

BS EN 12735-2:2010

Search all products by. Page 18 EN S for smooth, G for inner grooved. Any discontinuities shall be identified as defects by eddy current ne of each length after final drawing of the tube. Copper and copper alloys – Seamless, round copper tubes for air conditioning and refrigeration – 12735- 2: Further samples shall be taken from the bonded tubes at a sampling rate four times more frequent than specified in clause 7.

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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

Page 13 EN Revisions British Standards are updated by amendment or revision. When you use our service you can ne assured the latest editions and easy access.

Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. If requested the inner surface of the tubes shall be capable of passing the reference residue test as described in 8.

General terms and conditions Cookies och Javascript Disclaimer Contact. All tubes less than or equal to 42 mm diameter shall be subjected to the eddy current test described in 8.

Cuivre et alliages de cuivre. Except as permitted under the Copyright, Designs and Patents Act no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means — electronic, photocopying, recording or otherwise — without prior written permission from BSI. Close one end of the tube test piece and em in suitable solvent, to one 1235-2 of its capacity. ENCopper and copper alloys — Declarations of conformity. It is designed to cover every economic sector and virtually every activity of the humankind where technical standards may be used.

Eb 12 EN Copper, having a face-centred cubic crystal structure, does not suffer a transition from ductile to brittle failure like some other materials. ENCopper and copper alloys — Seamless, round tubes for general purposes.

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BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. The derivation of a product designation is shown in the following example.

ENCopper and copper alloys — Seamless, round copper tubes for air conditioning and refrigeration —Part 1: Table 8 — Permissible number of defects for level wound coils LWC Nominal wall thickness Number of defects permitted per coil e 1275-2 90 kg coils mm maximum maximum average number over up to and including number per delivery of 10 t minimum — 0,35 5 2 0,35 0, 4 2 0, — 3 1 EXAMPLE Permissible number of defects for a level wound coil, nominal weight kg: The tolerances on length for tubes ordered in specified fixed lengths shall conform to Table 5.

Compliance with a British Standard does not of itself confer 1273-52 from legal obligations. Test with an internal probe on the inner surface. A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions.

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