EN 1983:2006

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Industrial valves - Steel ball valvesIndustrijski ventili – Jekleni krogelni ventiliRobinetterie industrielle - Robinets a tournant sphérique en acierIndustriearmaturen - Kugelhähne aus StahlTa slovenski standard je istoveten z:EN 1983:2006SIST EN 1983:2006en23.060.20Zapirni ventili (kroglasti in pipe)Ball and plug valvesICS:SLOVENSKI
STANDARDSIST EN 1983:200601-oktober-2006

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1983May 2006ICS 23.060.20 English VersionIndustrial valves - Steel ball valvesRobinetterie industrielle - Robinets à tournant sphérique enacierIndustriearmaturen - Kugelhähne aus StahlThis European Standard was approved by CEN on 23 March 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards 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 language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of 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.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2006 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1983:2006: E

Anti-static design.15 Annex B (informative)
Information to be supplied by the purchaser.16 Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directives 97/23/EC (PED).17 Bibliography.18

1) Under preparation.
EN 736-2:1997 and EN 736-3:1999 and the following apply. 3.1 Effective diameter manufactured minimum diameter through the flow passage of the valve in the fully open position

Figure 1a — Full bore pattern Figure 1b — Reduced bore pattern Figure 1 — Valve patterns 4.1.1.2 Size and pressure designation The range of nominal sizes and pressure designations covered by each type of body end connection shall be as specified in Tables 1 to 3. Table 1 — Ball valves with flanged and butt welding ends Size PN Class DN 8 to DN 900 PN 10 to PN 100Class 150 Class 300 Class 600 DN 8 to DN 600 - Class 900 DN 8 to DN 400 - Class 1 500 DN 8 to DN 50
Class 2 500 NOTE Sizes DN 8, DN 550, DN 650, DN 750 and DN 850 are not applicable to flanged valves.
Table 2 — Ball valves with socket weld ends Size PN Class DN 8 to DN 100 PN 10 - DN 8 to DN 50 PN 16 to PN 100 -

Typical ball valve construction variants are illustrated in Figure 2.
Figure 2a — Type of ball
Figure 2b — Type of body Key 1 Seat support 2 Trunnion support 3 Sealed 4 One piece body - Axial entry (insert) 5 Top entry 6 Split body in two pieces 7 Split body in three pieces NOTE The end connections are only examples. Figure 2 — Typical ball valve construction 4.1.1.3 Body Valves shall be designed in accordance with EN 12516-1, EN 12516-2 or EN 12516-3. 4.1.1.4 Ball The ball port shall be circular with minimum effective diameters as specified in Table 4. Where a specific ball construction is required, this shall be specified by the purchaser (see Figure 3 for examples).

Figure 3a — Solid ball Figure 3b — Sealed cavity ball
Figure 3c — Cored cavity ball Figure 3d — Hollow ball NOTE Solid and cored cavity balls may be of one or two piece construction. Figure 3 — Examples of ball construction 4.1.1.5 Shaft The shaft shall be anti-blow out as defined in EN 736-3. 4.1.1.6 Anti-static design requirements Valves shall have an anti-static feature incorporating the requirements of Annex A. 4.1.1.7 Fire safe design requirements When specified, valves shall be type tested in accordance with the requirements of EN ISO 10497. 4.1.1.8 Drain tappings The body design of valves of DN 50 and larger shall be such that, when specified, the valve body may have a drain tapping. The position is at the manufacturer's discretion, unless otherwise specified by the purchaser. Tapping threads shall be in accordance with ISO 7-1, EN ISO 228-1, ASME B16.34 or ASME B1.20.1 and shall be of the size specified in Table 5. Table 5 — Drain tappings Size Thread size DN 50 to DN 100 ½" (DN 15) DN 125 and DN 200 ¾" (DN 20) DN 250 to DN 600 1" (DN 25) DN 650 to DN 900 1½" (DN 40)
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