【正文】 ......................................................................................................7 Pressure/temperature ratings for cast iron.........................................................................................8 Welding ...................................................................................................................................................8 Materials — Wrought copper alloys.....................................................................................................9 General....................................................................................................................................................9 Calculation parameters .......................................................................................................................10 Pressure/temperature ratings for wrought copper alloy .................................................................12 Materials — Wrought aluminium alloys ............................................................................................13 Calculation parameters .......................................................................................................................13 Pressure/temperature ratings for wrought aluminium alloys .........................................................13 Allowable stresses...............................................................................................................................15 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC ............................................................................................16 Bibliography ......................................................................................................................................................17 BS EN 125164:2020 EN 125164:2020 (E) 3 Licensed Copy: Manchester ATHENS, University of Manchester, 22/10/2020 12:29, Uncontrolled Copy, (c) BSI Foreword This document (EN 125164:2020) has been prepared by Technical Committee CEN/TC 69 ―Industrial valves‖, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 2020, and conflicting national standards shall be withdrawn at the latest by July 2020. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive 97/23. For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. EN 12516, Industrial valves — Shell design strength, consists of four parts: ? Part 1: Tabulation method for steel valve shells ? Part 2: Calculation method for steel valve shells ? Part 3: Experimental method ? Part 4: Calculation method for valve shells manufactured in metallic materials other than steel According to the CEN/CENELEC Internal Regulations, the national standards anizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 125164:2020 EN 125164:2020 (E) 4 Licensed Copy: Manchester ATHENS, University of Manchester, 22/10/2020 12:29, Uncontrolled Copy, (c) BSI 1 Scope This part of EN 12516 specifies the calculation method for valve shells manufactured in metallic materials other than steel. The loadings to be accounted for are in accordance with EN 125162. Design methods are in accordance with EN 125162, design by formulae according to the relevant clauses. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 4852, Aluminium and aluminium alloys — Sheet, strip and plate — Part 2: Mechanical properties EN 5733:2020, Aluminium and aluminium alloys Chemical position and form of wrought products Part 3: Chemical position and form of products EN 5862, Aluminium and aluminium alloys — Fings — Part 2: Mechanical properties and additional property requirements EN 7542, Aluminium and aluminium alloys Cold drawn rod/bar and tube Part 2: Mechanical properties EN 7552, Aluminium and aluminium alloys Extruded rod/bar, tube and profiles Part 2: Mechanical properties EN 10922:1997, Flanges and their joints — Circular flanges for pipes, valves, fittings and accessories, PN designated — Part 2: Cast iron flanges EN 10923:2020, Flanges and their joints Circular flanges for pipes, valves, fittings and accessories, PN designated Part 3: Copper alloy flanges EN 10924:2020, Flanges and their joints Circular flanges for pipes, valves, fittings and accessories, PN designated Part 4: Aluminium alloy flanges EN 1561:1997, Founding — Grey cast irons EN 1562:1997, Founding — Malleable cast irons EN 1563:1997, Founding — Spheroidal graphite cast irons EN 1653:1997, Copper and c