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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The purchaser shall ensure that the coating to be used for the bolting is appropriate for the foreseen service conditions.
It is the purchaser’s option to decide on this. Please fill this form, we will try to respond as soon as possible.
Limits of sizes for hotdip galvanized external screw threads to mate with internal screw threads tapped with tolerance position H or G after galvanizing  ISOISO general purpose metric screw threads — Tolerances — Part 5: NOTE 1 The bolting selection given may be used in combination with non-standard flanges too provided enn the range of application of the equipment for which the bolting is intended to be used is covered.
The coating process is under the responsibility of the bolting manufacturer and shall take into consideration achievement of the mechanical properties of bolting, as appropriate. For bolts and studs, the inspection certificate or the test report shall contain at least the following: We are a non-profit group that run this website to share documents. When selecting bolting according to this European Standard it is essential to take into 15154- other parameters such as type of fluids, corrosion hazards and relaxation at elevated temperatures.
In addition, the bolting manufacturer shall affirm that the product complies with 151-4 standard. Inchiesta pubblica preliminare UNI: Copper alloy flanges  ENFlanges and their joints — Circular flanges for pipes, valves, fittings and accessories, class designated — Part 4: BSI also holds the copyright, in the 155-4, of the publications of the international standardization bodies. Please 1515–4 and paste this embed script to where you want to embed Embed Script.
Compliance with a British Standard cannot confer immunity from legal obligations.
The use of free-cutting steel is not permitted. 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 1551-4 suitable bolting for equipment. For undated references, the latest edition of the referenced document including any amendments applies.
EN – Flanges and their joints – Bolting – Part 4: Selection of bo –
Depending on the coating used, a verification of the temperature ranges given in Table 3 may be required. Some bolting materials listed in Tables 4 and 5 ej not covered by Table 3, but tM is given in addition. NOTE 2 Special services and ambient conditions may require the application of coatings. Home BS EN According to this, e. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards.
The length of studs shall be measured including points.
Wherever the starting material standard provides mechanical properties for this temperature range respective reference is made in Table 3. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. Leggere attentamente le istruzioni prima di effettuare il download.
It specifies standards and additional requirements for dimensions, materials and technical conditions of delivery for bolting. Details and advice can be obtained from the Copyright and Licensing Manager.
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. It is not the intention to specify all possible applications but to give guidance on the most commonly applications. For details of these and other benefits contact Membership Administration. Depending on the coating used, a verification of the temperature 11515-4.
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. The height of point shall be a maximum one time the pitch of thread. The 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.
Where a purchaser has responsibilities under this EU Directive, this European Standard will provide a presumption of conformity with the essential requirements of the Ne so identified in Annex ZA. NOTE 1 Final heat treatment is not necessary for bolting which are machined from adequate pre-treated bars.
BS EN Flanges Bolting – Free Download PDF
Please help us to share our service with your friends. Kind of pre-treatment of bars is at the responsibility of the bolting manufacturer. Various BSI electronic information services are also available which give details on all its products and services. Cast iron flanges  ENFlanges and their joints — Circular flanges for pipes, valves, fittings and accessories, PN designated — Part 3: NOTE 2 Generally cold forming except rolling of external threads requires a subsequent heat treatment.