EN 1515-4 PDF

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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For dated references, only the edition cited applies.

BS EN Flanges Bolting – Free Download PDF

For nuts, the inspection certificate or the test report shall contain at least the following: Users of British Standards should make sure that they possess the latest amendments or editions. Please copy and paste this embed script to where you want to embed Embed Script. For maximum suitable temperature see EN E BS EN Various BSI electronic information services are also available which give details on all its products e services.

According to this, e. When selecting bolting according to this European Standard it is essential to take into account other parameters such as type of fluids, corrosion hazards and relaxation at elevated temperatures. The purchaser shall ensure that the coating to be used rn the bolting is appropriate for the foreseen service conditions.

It is incorporated by Royal Charter. The use of free-cutting steel is not permitted. A selection of commonly used national rn for bolting types and materials is listed in Table B.

Requirements concerning the strength category for bolting as given enn EN 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.

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Starting material shall comply with EN It covers temperature ranges of the general service of standard flanges based on PN or Class. Data entrata in vigore: Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread ISO BSI also holds the copyright, in the 1155-4, of the publications of the international standardization bodies.

Leggere attentamente le istruzioni prima di effettuare il download. The bolting selection covered by this European Standard is regarded to be used for combination with flanges according to the series EN PN designated flanges and the series EN Class designated flanges.

Nuts with specified proof load values — Coarse thread ISO NOTE 2 Generally cold forming except rolling of external threads requires a subsequent heat treatment. The points shall be chamfered or rounded at the bolting manufacturer’s option.

The height of point shall be a maximum one time the pitch of thread. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. It covers temperature ranges of the general service of standard flanges based on PN or Class.

ENFlanges and their joints — Bolting, consists of the following parts: Test method [10] ENUnfired pressure vessels — Part 2: Introduzione I corsi di formazione Calendario Archivio corsi. Please help us to share our service with your friends.

EN 1515-4:2009

If these details are to be used for any other purpose than implementation then the prior 5115-4 permission of BSI must be obtained. Wherever the starting material standard provides mechanical properties for this temperature range respective reference is made in Table 3. The internal thread of the nut will usually be machined. 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.

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NOTE 2 The manufacturing lot may be split into several manufacturing batches for processing purposes and then reassembled into the same manufacturing lot.

BS EN 1515-4:2009 Flanges Bolting

It specifies standards and additional requirements for dimensions, materials and technical conditions of delivery for bolting. NOTE 1 In general, bolting will be delivered: Classification of bolt materials for steel flanges, Class designated [7] ENFlanges and their joints — Circular flanges for pipes, valves, fittings and accessories, Class designated — Part 3: The selection is based on 155-4 used materials, bolts and nuts.

Flanges and their joints – Bolting – Part 4: Dn bolting selection covered by this European Standard is regarded to be used for combination with flanges according to the series EN PN designated flanges and the series EN Class designated flanges.

A list of organizations represented on 115-4 committee can be obtained on request to its secretary. Limits of sizes for hotdip galvanized external screw threads to mate with internal screw threads tapped with tolerance position H or G after galvanizing [18] ISOISO general purpose metric screw threads — Tolerances — Part 5: Compliance with a British Standard cannot confer immunity from legal obligations.

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.