1、 DEUTSCHE NORM June 2006DIN EN ISO 16138 ICS 23.060.10 Supersedes: see below Industrial valves Diaphragm valves of thermoplastics materials (ISO 16138:2006) English version of DIN EN ISO 16138:2006-06 Industriearmaturen Membranventile aus Thermoplasten (ISO 16138:2006) Englische Fassung DIN EN ISO 1
2、6138:2006-06 Together with DIN EN ISO 16135:2006-06, DIN EN ISO 16136:2006-06, DIN EN ISO 16137:2006-06, DIN EN ISO 16139:2006-06 and DIN EN ISO 21787:2006-06 supersedes DIN 3441-1:1989-05 and DIN 3442-1:1987-05; supersedes DIN 3441-3:1984-08 and DIN 3442-3:1987-07 Document comprises 20 pages No par
3、t of this standard may be reproduced without prior permission of DIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany, has the exclusive right of sale for German Standards (DIN-Normen). English price group 11 www.din.de www.beuth.de !,o9v“11.06 9762283DIN EN ISO
4、16138:2006-06 2 National foreword This standard has been published in accordance with a decision taken by CEN/TC 69 to adopt, without alteration, International Standard ISO 16138 as a European Standard. The responsible German body involved in its preparation was the Normenausschuss Armaturen (Valves
5、 Standards Committee), Technical Committee NAA-69/16 Kunststoffarmaturen. Amendments This standard differs from DIN 3441-1:1989-05, DIN 3441-3:1984-08, DIN 3442-1:1987-05 and DIN 3442-3:1987-07 as follows: The content has been fully revised, re-structured, and harmonized with design standards for ot
6、her types of valve. In particular, the scope has been extended to include valves of the materials ABS, PE, PP, PVC-C and PVDF, for all materials, the pressure/temperature rating is now specified for the complete valve, nominal pressures PN 6, PN 10, PN 16, and class 150 have been introduced, nominal
7、 size DN 10 has been dropped and the range of nominal sizes has been extended up to DN 250, dimensions other than face-to-face dimensions and joint dimensions are no longer specified, the number of possible valve end connections has been extended, material requirements have been harmonized with thos
8、e specified in European material standards, design characteristics and functional characteristics are now specified, and more test procedures are covered, Annex ZA (informative) on the relationship between EU Directive 97/23/EC (Pressure Equipment Directive) and this standard has been included, and
9、manufacturing requirements (testing of raw materials, permanent jointing by means of welding or cementing) and requirements regarding storage and transportation are now included. Previous editions DIN 3441-1: 1975-02, 1982-07, 1989-05 DIN 3441-3: 1977-03, 1984-08 DIN 3442-1: 1980-10, 1987-05 DIN 344
10、2-3: 1981-08, 1987-07 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 16138 March 2006 ICS 23.060.99 English Version Industrial valves - Diaphragm valves of thermoplastics materials (ISO 16138:2006) Robinetterie industrielle - Robinets membrane en matriaux thermoplastiques (ISO 16138:2006)
11、Industriearmaturen - Membranventile aus Thermoplasten (ISO 16138:2006) This European Standard was approved by CEN on 3 March 2006. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national stand
12、ard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other la
13、nguage made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France
14、, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NO
15、RMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 16138:2006: EEN ISO 16138:2006 (E) 2 Foreword This document (EN ISO 16138:2006) has been prepared by Technical Co
16、mmittee CEN/TC 69 “Industrial valves”, the secretariat of which is held by AFNOR, in collaboration with Technical Committee ISO/TC 138 “Plastics pipes, fittings and valves for the transport of fluids”. This European Standard shall be given the status of a national standard, either by publication of
17、an identical text or by endorsement, at the latest by September 2006, and conflicting national standards shall be withdrawn at the latest by September 2006. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports e
18、ssential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this Europe
19、an Standard: Austria, Belgium, 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 United Kingdom. EN ISO
20、 16138:2006 (E) 3 Contents Page Foreword .2 1 Scope4 2 Normative references4 3 Terms and definitions .5 4 Requirements.7 4.1 Design.7 4.2 Materials .8 4.3 Pressure/temperature rating 8 4.4 Dimensions 9 4.5 Operation10 4.6 Functional characteristics10 4.7 Manufacture .11 4.8 Other requirements .11 5
21、Test procedures.12 5.1 Documentation of test results12 5.2 Initial type tests .12 6 Declaration of compliance13 7 Designation 14 8 Marking and preparation for storage and transportation14 8.1 Marking and documentation 14 8.2 Preparation for storage and transportation15 Annex A (informative) Procurem
22、ent information.16 Bibliography17 Annex ZA (informative) Relationship between this International Standard and the Essential Requirements of EU Directive 97/23 EC (PED).18 EN ISO 16138:2006 (E) 4 1 Scope This International Standard specifies requirements for the design, functional characteristics and
23、 manufacture of diaphragm valves made of thermoplastics materials intended for isolating and control service, their connection to the pipe system, the body materials and their pressure/temperature rating between 40 C and + 120 C, for a lifetime of 25 years, and also specifies their tests. This Inter
24、national Standard is applicable to hand- or power-operated valves to be installed in industrial pipe systems, irrespective of the field of application and the fluids to be conveyed. NOTE 1 Industrial pipe systems also include systems for water supply for general purposes, drainage and sewerage. NOTE
25、 2 Special requirements can apply to pipe systems for water for human consumption. This International Standard is concerned with the range of DN DN 8, DN 10, DN 15, DN 20, DN 25, DN 32, DN 40, DN 50, DN 65, DN 80, DN 100, DN 125, DN 150, DN 200 and DN 250 and the range of PN and Class PN 6, PN 10, P
26、N 16 and Class 150. 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. ISO 7-
27、1:1994, Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation ISO 228-1:2000, Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation ISO 898-1:1999, Mechanical properties of fastene
28、rs made of carbon steel and alloy steel Part 1: Bolts, screws and studs ISO 5210:1991, Industrial valves Multi-turn valve actuator attachments ISO 8233:1988, Thermoplastics valves Torque Test method ISO 8659:1989, Thermoplastic valves Fatigue strength Test method ISO 9393-2:2005, Thermoplastics valv
29、es for industrial applications Pressure test methods and requirements Part 2: Test conditions and basic requirements ISO/TR 10358:1993, Plastics pipes and fittings Combined chemical-resistance classification table EN ISO 16138:2006 (E) 5 ISO 10931:2005, Plastics piping systems for industrial applica
30、tions Poly(vinylidene fluoride) (PVDF) Specifications for components and the system ISO 12092:2000, Fittings, valves and other piping system components, made of unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C) acrylonitrile-butadiene-styrene (ABS) and acrylonitril
31、e-styrene-acrylester (ASA) for pipes under pressure Resistance to internal pressure Test method ISO 12162:1985, Thermoplastics materials for pipes and fittings for pressure applications Classification and designation Overall service (design) coefficient ISO 15493:2003, Plastics piping systems for in
32、dustrial applications Acrylonitrile-butadiene-styrene (ABS), unplasticized poly(vinyl chloride) (PVC-U) and chlorinated poly(vinyl chloride) (PVC-C) Specifications for components and the system Metric series ISO 15494:2003, Plastics piping systems for industrial applications Polybutene (PB), polyeth
33、ylene (PE) and polypropylene (PP) Specifications for components and the system Metric series EN 558-1:1995, Industrial valves Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems Part 1: PN-designated valves EN 558-2:1995, Industrial valves Face-to-face and cent
34、re-to-face dimensions of metal valves for use in flanged pipe systems Part 2: Class-designated valves EN 736-1:1995, Valves Terminology Part 1: Definition of types of valves EN 736-2:1997, Valves Terminology Part 2: Definition of components of valves EN 736-3:1999, Valves Terminology Part 3: Definit
35、ion of terms EN 1092-1:2001, Flanges and their joints Circular flanges for pipes, valves, fittings and accessories, PN designated Part 1: Steel flanges EN 1267:1999, Valves Test of flow resistance using water as test fluid EN 1759-1:2004, Flanges and their joints Circular flanges for pipes, valves,
36、fittings and accessories, Class designated Part 1: Steel flanges, NPS to 24 EN 12107:1997, Plastics piping systems Injection-moulded thermoplastics fittings, valves and ancillary equipment Determination of the long-term hydrostatic strength of thermoplastics materials for injection moulding of pipin
37、g components EN 12266-1:2003, Industrial valves Testing of valves Part 1: Pressure tests, test procedures and acceptance criteria Mandatory requirements EN 12570:2000, Industrial valves Method for sizing the operating element 3 Terms and definitions For the purposes of this document, the terms and d
38、efinitions given in EN 736-1, EN 736-2 and EN 736-3 and the following apply. NOTE Other terms and definitions relative to thermoplastics materials are given in ISO 15493, ISO 15494 and ISO 10931. EN ISO 16138:2006 (E) 6 3.1 nominal size DN alphanumeric designation of size for components of a pipewor
39、k system, which is used for reference purposes, comprising the letters DN followed by a dimensionless whole number which is indirectly related to the physical size, in millimetres, of the bore or outside diameter of the end connections ISO 6708:1995, definition 2.1 3.2 nominal pressure PN numerical
40、designation relating to pressure that is a convenient round number for reference purposes NOTE 1 It is intended that all equipment of the same nominal size (DN) designated by the same PN number have the same mating dimensions appropriate to the type of end connections. NOTE 2 The permissible working
41、 pressure depends upon materials, design and working temperature and is to be selected from the pressure/temperature rating tables in corresponding standards. ISO 7268:1983, Clause 2 3.3 Class alphanumeric designation used for reference purposes related to a combination of mechanical and dimensional
42、 characteristics of a component of a pipework system, which comprises the word “Class” followed by a dimensionless whole number NOTE The number following the word “Class” does not represent a measurable value and is not intended to be used for calculation purposes except where specified in the relev
43、ant standard. 3.4 allowable maximum operating pressure PMA maximum pressure occurring from time to time, including surge, that a component is capable of withstanding in service EN 805:2000, definition 3.1.1 NOTE EU Directive 97/23/EC (PED) designates PS (maximum allowable pressure) irrespective of t
44、emperature. The values of PMA and PS are identical at 20 C. 3.5 trim inside parts of the valve in contact with the fluid NOTE Adapted from EN 736-2:1997, definition 3.2. 3.6 rating factor frrating factor used in the relationship between PMA and PN or Class and to calculate the PMA at temperatures ot
45、her than 20 C 3.7 manual forces F and Fsoperating manual force (F) and maximum manual force (Fs) which one person is capable of applying to the manual operating element of a valve NOTE Adapted from EN 12570:2000. EN ISO 16138:2006 (E) 7 4 Requirements 4.1 Design 4.1.1 Valve function Diaphragm valves
46、 in accordance with this International Standard shall be suitable for isolating service and may be designed to be used for control service. 4.1.2 Design characteristics Valves shall have the following design characteristics: a) a diaphragm that shall separate the bonnet and all functional parts from
47、 the fluid; b) a bonnet that shall seal the diaphragm/body interface by bonnet bolting or by any other type of connection; NOTE The bonnet is not pressurized and therefore not part of the shell. c) a compressor, which shall support the diaphragm and operate vertically by a spindle that presses the d
48、iaphragm against the weir, sealing the seat in this position; d) a design of valve obturation suitable for both flow directions. 4.1.3 Types of valve end connection The types of valve end connection can be chosen from the following alternatives: butt fusion ends; spigot ends for cementing or for wel
49、ding; socket ends for electro-fusion; socket ends for heated tool welding; socket ends for cementing; socket ends for/with elastomeric seal rings; flanged ends; threaded ends; union ends. Other types of end connection are possible. All valve ends shall be an integral part of, or threaded onto, the valve body. Different types of end connection on one body are possible. EN ISO 16138:2006 (E) 8 4.2 Materials 4.2.1 Materials for the shell Th
