SIST EN 14382:2005+A1:2009
(Main)Safety devices for gas pressure regulating stations and installations - Gas safety shut-off devices for inlet pressures up to 100 bar
Safety devices for gas pressure regulating stations and installations - Gas safety shut-off devices for inlet pressures up to 100 bar
This document specifies constructional, functional, testing and marking requirements, sizing and documentation of gas safety shut-off devices used in the pressure regulating stations in accordance with EN 12186 or EN 12279:
- for inlet pressures up to 100 bar and nominal diameters up to DN 400;
- for an operating temperature range from -20 °C to +60 °C,
which operate with fuel gases of the 1st and 2nd family in accordance with EN 437 in transmission and distribution networks and also in commercial and industrial installations.
"Gas safety shut-off devices" will hereafter be called "SSDs" except in titles.
For standard safety shut-off devices when used in pressure regulating stations complying with EN 12186 or EN 12279, Annex ZA lists all applicable Essential Requirements except the external corrosion resistance in case of environmental conditions where corrosion is likely to occur.
This document considers the following classes/types of SSDs:
temperature classes:
- class 1: operating temperature range from -10 °C to 60 °C;
- class 2: operating temperature range from -20 °C to 60 °C;
functional classes:
- class A: SSDs that close when damage to the pressure detector element occurs (applicable to overpressure SSDs only) or when external power fails and whose re-opening, after an intervention for overpressure, is possible only manually;
- class B: SSDs that do not close when damage to the pressure detector element occurs and whose re-opening, after an intervention for overpressure, is possible only manually;
SSDs types:
- type IS: (integral strength type);
- type DS: (differential strength type).
SSDs complying with the requirements of this document may be declared as "in conformity with EN 14382" and bear the mark "EN 14382".
The material and functional requirements specified in this document may be applied to SSDs which use thermal energy or the effects of electrical energy to trip the operation of the closing member. For these SSDs the operat
Sicherheitseinrichtungen für Gas-Druckregelanlagen und –einrichtungen - Gas-Sicherheitsabsperreinrichtungen für Eingangsdrücke bis 100 bar
!Dieses Dokument legt Anforderungen an Konstruktion, Funktion, Prüfung und Kennzeichnung,
Dimensionierung und Dokumentation von Gas-Sicherheitsabsperreinrichtungen fest, die in Druckregelanlagen
nach EN 12186 und EN 12279 eingesetzt werden:"
⎯ für Eingangsdrücke bis 100 bar und Nennweiten bis DN 400;
⎯ für einen Betriebstemperaturbereich von −20 °C bis +60 °C,
die mit Gasen der 1. und 2. Gasfamilie nach EN 437 in Gastransport- und Gasverteilungsnetzen und auch in
gewerblichen und industriellen Anlagen eingesetzt werden.
„Gas-Sicherheitsabsperreinrichtung“ wird im Weiteren, außer in Überschriften, mit „SAE“ abgekürzt.
!Für Standard-Sicherheitsabsperreinrichtungen, die in den Druckregelanlagen nach EN 12186 oder
EN 12279 verwendet werden, sind in Anhang ZA alle relevanten grundlegenden Anforderungen erfasst, mit
Ausnahme der äußeren Korrosionsbeständigkeit unter Umgebungsbedingungen, in denen das Auftreten von
Korrosion wahrscheinlich ist."
!Dieses Dokument behandelt folgende Klassen und Ausführungen von SAE:"
Temperaturklassen:
⎯ Klasse 1: Betriebstemperaturbereich von −10 °C bis 60 °C;
⎯ Klasse 2: Betriebstemperaturbereich von −20 °C bis 60 °C.
Funktionsklassen:
⎯ !Klasse A: SAE, die bei Schaden an der Vergleichermembran (nur bei SAE mit oberem Ansprechdruck)
oder beim Ausfall der externen Hilfsenergie schließen und bei denen die erneute Öffnung nach
einem Auslösen beim oberen Ansprechdruck nur manuell möglich ist;
⎯ Klasse B: SAE, die bei einem Schaden an der Vergleichermembran nicht schließen, und bei denen die
erneute Öffnung nach einem Auslösen beim oberen Ansprechdruck nur manuell möglich ist.
SAE-Ausführungen:
⎯ Ausführung IS (einheitlicher Festigkeitsbereich);
⎯ Ausführung DS (verschiedene Festigkeitsbereiche);"
SAE, die den Anforderungen dieser Norm entsprechen, dürfen als „in Übereinstimmung mit EN 14382“
deklariert und mit der Kennzeichnung „EN 14382“ versehen werden.
Dispositifs de sécurité pour postes et installations de détente-régulation de pression de gaz - Clapets de sécurité pour pressions amont jusqu'à 100 bar
Varnostne naprave za plinske regulacijske postaje in napeljave - Plinske varnostne zaporne naprave za vstopne tlake do 100 bar (vključno z dopolnilom A1)
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Sicherheitseinrichtungen für Gas-Druckregelanlagen und –einrichtungen - Gas-Sicherheitsabsperreinrichtungen für Eingangsdrücke bis 100 barDispositifs de sécurité pour postes et installations de détente-régulation de pression de gaz - Clapets de sécurité pour pressions amont jusqu'à 100 barSafety devices for gas pressure regulating stations and installations - Gas safety shut-off devices for inlet pressures up to 100 bar23.060.40Pressure regulatorsICS:Ta slovenski standard je istoveten z:EN 14382:2005+A1:2009SIST EN 14382:2005+A1:2009en,fr,de01-junij-2009SIST EN 14382:2005+A1:2009SLOVENSKI
STANDARDSIST EN 14382:20051DGRPHãþD
SIST EN 14382:2005+A1:2009
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 14382:2005+A1
March 2009 ICS 23.060.40 Supersedes EN 14382:2005English Version
Safety devices for gas pressure regulating stations and installations - Gas safety shut-off devices for inlet pressures up to 100 bar
Dispositifs de sécurité pour postes et installations de détente-régulation de pression de gaz - Clapets de sécurité pour pressions amont jusqu'à 100 bar
Sicherheitseinrichtungen für Gas-Druckregelanlagen und -einrichtungen - Gas-Sicherheitsabsperreinrichtungen für Eingangsdrücke bis 100 bar This European Standard was approved by CEN on 30 December 2004 and includes Amendment 1 approved by CEN on 12 January 2009.
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 standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). 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.
CEN members are the national standards bodies of 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 United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14382:2005+A1:2009: ESIST EN 14382:2005+A1:2009
EN 14382:2005+A1:2009 (E) 2 Contents page Foreword . 51Scope . 62Normative references . 73Terms, definitions and symbols . 94Construction requirements . 204.1Basic requirements . 204.1.1General . 204.1.2Types of shut-off devices . 214.1.3End connections . 224.1.4Flange ratings . 224.1.5Nominal sizes and face-to-face dimensions . 234.1.6Sealing of the adjusting device . 264.1.7Set range. 264.1.8External visual Indication of the position of the closing member . 264.1.9Springs . 264.1.10Parts transmitting actuating forces . 264.1.11!Replaceable parts that may be affected by erosion or abrasion . 264.2Materials . 264.2.1Requirements for metallic materials . 264.2.2Requirements for elastomers (including vulcanized rubber) . 314.2.3Requirements for non metallic materials different from those in 4.2.2 . 314.3Strength of housings . 324.3.1Body and its inner metallic partition walls" . 324.3.2Flanges . 324.3.3!Other pressure containing parts . 324.3.4Inner metallic partition walls . 344.3.5Minimum values of safety factor . 344.3.6Welded joint coefficient . 355Functional requirements . 355.1General . 355.1.1Shutting-off and opening . 355.1.2Mounting position . 355.1.3Bypass . 355.1.4Ice formation . 355.1.5Fail-close conditions . 355.1.6Pressure drop . 355.1.7!Surveillance and maintenance . 365.2Shell strength, external tightness and internal sealing . 365.2.1Shell strength . 365.2.2External tightness . 365.2.3Internal sealing . 365.3Accuracy group . 375.4Response time . 375.5Relatching difference and unlatching . 375.5.1Relatching difference . 375.5.2Unlatching under mechanical impact . 375.6Closing force . 385.7Endurance and accelerated ageing . 38SIST EN 14382:2005+A1:2009
EN 14382:2005+A1:2009 (E) 3 5.8Strength of the trip mechanism, valve seat and closing member against the dynamic impact of flowing gas . 385.9Flow coefficient . 395.10Final visual inspection . 396Testing . 396.1General . 396.2Tests . 396.3Type test . 406.4Selection of test samples . 416.5Routine tests . 416.6Production surveillance . 417Test and verification methods . 417.1Dimensional check and visual inspection . 417.2Materials check . 417.3Verification of the strength of pressure containing parts and inner metallic partition walls . 427.3.1Strength calculation method . 427.3.2Experimental design method . 427.4Verification of the strength of parts transmitting actuating forces . 437.5Shell and inner metallic partition walls strength test . 437.6Alternative shell and inner metallic walls strength test . 447.7External tightness test . 447.7.1External tightness test of metallic housing . 447.7.2External tightness test of chambers bounded on at least one side by a diaphragm . 457.8Internal sealing test . 467.9Accuracy group . 467.9.1General conditions . 467.9.2Test at ambient temperature . 467.9.3Test at the limit temperatures –20 °C or –10 °C and 60 °C . 477.9.4!Verification of the upper limit of the highest set range for overpressure monitoring" . 487.9.5Determination of flow coefficient . 487.10Response time . 507.11Relatching difference and unlatching . 517.11.1!Trip pressure for over-pressure monitoring" . 517.11.2Lower trip pressure . 517.12Closing force . 527.13Endurance and accelerated ageing . 537.14Resistance to gas of non metallic parts. 537.15Verification of the strength of the trip mechanism, valve seat and closing member against dynamic impact of flowing gas . 537.16Final visual inspection . 547.16.1After type test . 547.16.2After routine tests and production surveillance . 548Documentation . 548.1Documentation related to type test . 548.1.1Documentation required prior to type test . 548.1.2Test report . 558.2Documentation for the customer . 558.2.1Sizing equation . 558.2.2Documentation provided at the request of the customer . 558.2.3Documentation provided with the shut-off device . 558.3Documentation related to production surveillance in accordance with 6.6. 568.3.1Documentation to be available for production surveillance . 568.3.2Production surveillance report . 569Marking . 569.1General requirements . 569.2Marking of connections for sensing, exhaust and breather lines . 579.3Identification of auxiliary devices . 57SIST EN 14382:2005+A1:2009
EN 14382:2005+A1:2009 (E) 4 Annex A (informative)
Ice formation . 58A.1General . 58A.2Requirements . 58A.3Tests . 58Annex B (informative)
Compliance evaluation . 59B.1General . 59B.2Introduction . 59B.3Procedure . 59B.4Manufacturer’s compliance evaluation . 60B.5Issue of the certificate of compliance . 60Annex C (informative)
Pressure drop and flow coefficient . 61C.1Calculation method for pressure drop throughout the SSD . 61C.2Test method for the determination of the flow coefficient Cv . 61Annex D (informative)
Alternative test method for verification of the strength of the trip mechanism, valve seat and closing member. 63D.1Test method. 63D.2Test method for the determination of the dynamic factor Cr . 63D.3Test method for a series of SSDs . 64Annex E (informative)
Sizing equation . 66Annex F (informative)
Inspection certificate . 67Annex G (informative)
Order specification . 69G.1General . 69G.2Minimum specifications . 69G.2.1Details of construction . 69G.2.2Dimensions. 69G.2.3Performance . 69G.3Optional specifications . 70Annex H (informative)
Acceptance test . 71Annex I (informative)
!Seat leakage (alternative requirement)" . 72Annex J (normative)
Materials . 73J.1Steel materials for pressure containing parts and inner metallic partition walls . 73J.2Metallic materials different from steel materials for pressure containing parts and inner metallic partition walls . 79J.3Materials for fixtures, integral process and sensing lines, connectors and fasteners . 84Annex K (informative)
!Suitability of safety shut-off device for damp operating conditions . 87Annex L (informative)
Glossary . 88Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC . 90Bibliography . 92 SIST EN 14382:2005+A1:2009
EN 14382:2005+A1:2009 (E) 5 Foreword This document (EN 14382:2005+A1:2009) has been prepared by Technical Committee CEN/TC 235 “Gas pressure regulators and associated safety devices for use in gas transmission and distribution”, the secretariat of which is held by UNI. 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 September 2009, and conflicting national standards shall be withdrawn at the latest by September 2009. This document includes Amendment 1, approved by CEN on 2009-01-12. This document supersedes !EN 14382:2005". The start and finish of text introduced or altered by amendment is indicated in the text by tags ! ". 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/EC. For relationship with EU Directive 97/23/EC, see informative Annex ZA, which is an integral part of this document. Safety shut-off devices dealt with in this document are standard safety shut-off devices and, when used in pressure regulating stations complying with EN 12186 or EN 12279, they are considered as standard pressure equipment in accordance with Clause 3.1 of Art. 1 of Pressure Equipment Directive (PED). For standard safety shut-off devices used in pressure regulating stations complying with EN 12186 or EN 12279, Table ZA.1 given in Annex ZA includes all applicable Essential Requirements given in Annex I of PED !except the external corrosion resistance in case of environmental conditions where corrosion is likely to occur". The normative Annex J of this document lists some suitable materials for pressure containing parts, inner metallic partition walls, fasteners and connectors. Other materials may be used when complying with the restrictions given in Table 5. !deleted text" !Continued" integrity of safety shut-off devices is assured by periodic functional checks. For periodic functional checks it is common to refer to national regulations/standards where existing or users/manufacturers practices. According to the CEN/CENELEC Internal Regulations, the national standards organizations 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 United Kingdom.
SIST EN 14382:2005+A1:2009
EN 14382:2005+A1:2009 (E) 6 1 Scope !This document specifies constructional, functional, testing and marking requirements, sizing and documentation of gas safety shut-off devices used in the pressure regulating stations in accordance with EN 12186 or EN 12279:" for inlet pressures up to 100 bar and nominal diameters up to DN 400; for an operating temperature range from –20 °C to +60 °C, which operate with fuel gases of the 1st and 2nd family in accordance with EN 437 in transmission and distribution networks and also in commercial and industrial installations. "Gas safety shut-off devices" will hereafter be called "SSDs" except in titles. !For standard safety shut-off devices when used in pressure regulating stations complying with EN 12186 or EN 12279, Annex ZA lists all applicable Essential Requirements except the external corrosion resistance in case of environmental conditions where corrosion is likely to occur." !This document considers the following classes/types of SSDs:" temperature classes: class 1: operating temperature range from –10 °C to 60 °C; class 2: operating temperature range from –20 °C to 60 °C; functional classes: !class A: SSDs that close when damage to the pressure detector element occurs (applicable to overpressure SSDs only) or when external power fails and whose re-opening, after an intervention for overpressure, is possible only manually; class B: SSDs that do not close when damage to the pressure detector element occurs and whose re-opening, after an intervention for overpressure, is possible only manually; SSDs types: type IS: (integral strength type); type DS: (differential strength type)." SSDs complying with the requirements of this document may be declared as “in conformity with EN 14382“ and bear the mark “EN 14382”. The material and functional requirements specified in this document may be applied to SSDs which use thermal energy or the effects of electrical energy to trip the operation of the closing member. For these SSDs the operational parameters are not specified in this document. This document does not apply to: SSDs upstream from/on/in domestic gas-consuming appliances which are installed downstream of domestic gas meters; !SSDs incorporated into pressure-regulating devices used in service lines with volumetric flow rate
≤ 200 m3/h at normal conditions and inlet pressure ≤ 5 bar." SIST EN 14382:2005+A1:2009
EN 14382:2005+A1:2009 (E) 7 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 amendments) applies. !deleted text" !EN 287-1:1992, Approval testing of welders – Fusion welding – Part 1: Steel" EN 334:2005, Gas pressure regulators for inlet pressures up to 100 bar !EN 473:2000", Non destructive testing – Qualification and certification of NDT personnel – General principles !deleted text" !EN 970:1997", Non-destructive examination of fusion welds – Visual examination !deleted text" !EN 1092-1:2007, Flanges and their joints – Circular flanges for pipes, valves, fittings and accessories, PN designated – Part 1: Steel flanges EN 1092-2:1999, Flanges and their joints – Circular flanges for pipes, valves, fittings and accessories, PN designated – Part 2: Cast iron flanges EN 1092-3:2005, Flanges and their joints – Circular flanges for pipes, valves, fittings and accessories, PN designated – Part 3: Copper alloy flanges EN 1092-4:2004, Flanges and their joints – Circular flanges for pipes, valves, fittings and accessories, PN designated – Part 4: Aluminium alloy flanges" EN 1349, Industrial process control valves !EN 1418:1997", Welding personnel – Approval testing of welding operators for fusion welding and resistance weld setters for fully mechanized and automatic we
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