EUROPEAN STANDARD. NORME EUROPÉENNE. EUROPÄISCHE NORM. EN December ICS ; ; Flanges and their joints — Bolting Part 4: Selection of bolting for equipment subject to the Pressure Equipment Direc. Norma numero: EN Titolo: Flanges and their joints – Bolting – Part 4: Selection of bolting for equipment subject to the Pressure Equipment.
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NOTE 1 The bolting selection given may be used in combination with non-standard flanges too provided that the range of application of the equipment for which the bolting is intended to be used is covered. Depending on the coating used, a verification of the temperature ranges given in Table 3 may be required.
Introduzione I corsi di formazione Calendario Archivio corsi. Attention rn drawn to the possibility that some of the elements of this document may be the subject of patent rights. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Eh lengths are stepped by increments of 5 mm for length up to 80 mm, by increments of 10 mm for length above 80 mm and up to mm, and by increments of 20 mm for length above mm.
For nuts, the inspection certificate or the test report shall contain at least the following: Once this standard is cited in the Official Journal of the European Union under that Directive and has been implemented as a national standard in eh least one Member State, compliance with the clauses of this European Standard given in Table ZA.
Table 5 — Requirements for prevention of brittle fracture with reference thickness for nuts and bolts with starting material according to EN Type of material 1.
Kind of pre-treatment of bars is at the responsibility of the bolting manufacturer. We need your help! Flanges and their joints – Bolting – Part 4: The selection is based on commonly used materials, bolts ne nuts.
NOTE 2 Special services and ambient conditions may require the application of coatings. For undated references, the latest edition of the referenced document including any amendments applies. Furthermore it shall be regarded that flanged joints shall remain tight under the expected operating conditions. Bolts, screws and studs ISO Size px x x x x For maximum suitable temperature see EN The points shall be chamfered or rounded at the bolting manufacturer’s option.
It specifies standards and additional requirements for dimensions, materials and technical conditions of delivery for bolting.
BS EN Flanges Bolting – Free Download PDF
It is the purchaser’s option to decide on this. It is incorporated by Royal Charter. Wherever the starting material standard provides mechanical properties for this temperature range respective reference is made in Table 3.
The use of free-cutting steel is not permitted. Leggere attentamente le istruzioni prima di effettuare il download.
BS EN 1515-4:2009
NOTE 1 The bolting selection given may be used in combination with non-standard flanges too provided that the range of application of the em for which the bolting is intended to be used is covered. The purpose of this European Standard is to provide a selection of most commonly used bolting types and bolting material combinations as well a tool for easy selection of suitable bolting for equipment.
NOTE 2 The manufacturing lot may be split into several manufacturing batches for processing purposes and then reassembled into the same manufacturing lot. Requirements for combination of bolting and flange materials as given 1155-4 some European Standards such as EN or 1155-4 shall be observed by the user of this standard.
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For some materials mechanical properties at higher temperature exist, e. Copper alloy flanges  ENFlanges and their joints — Circular flanges for pipes, valves, fittings and accessories, PN designated — Part 4: ENFlanges and their joints — Bolting, consists of the following parts: 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.
Cold working is just necessary and therefore permitted for austenitic stainless steel bolting in accordance to property class 70 and for nuts in accordance to property classes 5 and 8.