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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Compliance with a British Standard cannot confer immunity from legal obligations.
Bolts, screws and studs ISO According to this, e. For some materials mechanical properties at higher temperature exist, e. Information 1515- standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. InTable 4, sn a reference to EN is added to clarify testing requirements. Thank you for interesting in our services. It is the constant aim of BSI to improve the quality of our products and services.
If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. A list of organizations represented on this committee can be obtained on request to its secretary.
Nuts should be obtained, preferably, by forging. Inchiesta pubblica preliminare UNI: When bolting is used as: Checking of the proper fitting of the threads while assembling the bolts and nuts is recommended.
The selection is based on commonly used materials, bolts and nuts. Please help us to share our service with your friends. Cast iron flanges  ENFlanges and their joints — Circular flanges for pipes, valves, fittings and accessories, PN designated — Part 3: Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. It specifies standards and additional requirements for dimensions, materials and technical conditions of delivery for bolting.
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. A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions.
For selection of bolting types and bolting material combinations other than those listed in Table 2 and Table 3 according to commonly used national standards, see Annex B. Requirements concerning the strength category for bolting as given in EN The selection is based on commonly used materials, bolts and nuts. Depending on the coating used, a ne of the temperature ranges. Conditions to determine the permissible minimum temperature: Data entrata in vigore: For dated references, only the edition cited applies.
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. It is the purchaser’s option to decide on this. NOTE 2 Special services and ambient conditions may require the application of coatings.
Users are responsible for its correct application. Concerning the connection between inspection certificate type 3.
BS EN Flanges Bolting – Free Download PDF
BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. 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. The internal thread of the nut will usually be machined.
For undated references, the latest rn of the referenced document including any amendments applies. Size px x x x x Test method  ENUnfired 15154- vessels — Part 2: We need your help to maintenance this website.
BS EN 1515-4:2009 Flanges Bolting
Consequently the technical data stated in the material standard shall be assessed against the design requirements of this specific item of equipment to verify that the ERs of the PED are satisfied. NOTE 1 Deviations from increments given may be agreed between purchaser and bolting manufacturer. Revisions British Standards are updated by amendment or revision. For nuts, the inspection certificate or the test report shall contain at least the following: The points shall be chamfered or rounded at the bolting manufacturer’s option.
Users of British Standards should make sure that they possess the latest amendments or editions. 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.