• There are no items in your cart

I.S. EN 334:2005

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR

Available format(s)

Hardcopy , PDF

Superseded date

10-09-2019

Language(s)

English

Published date

01-01-2005

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
  3.1 General terms and definitions of types of gas pressure
      regulators
  3.2 Terms and definitions of components of gas pressure
      regulators
  3.3 Terms, symbols and definitions of components of
      functional performance
  3.4 Terms, symbols and definitions related to design
      and tests
4 Construction requirements
  4.1 Basic requirements
      4.1.1 General
      4.1.2 Gas pressure regulators with associated safety
            devices
      4.1.3 End connections
      4.1.4 Flange ratings
      4.1.5 Nominal sizes and face-to-face dimensions
      4.1.6 Sealing of the adjusting device
      4.1.7 Springs
      4.1.8 Replaceable parts that amy be affected by
            erosion or abrasion
  4.2 Materials
      4.2.1 Requirements for metallic materials
      4.2.2 Requirements for elastomers (including
            vulcanized rubbers)
      4.2.3 Requirements for non metallic materials
            different from those in 4.2.2
  4.3 Strength of housings
      4.3.1 Body and its inner metallic partition walls
      4.3.2 Flanges
      4.3.3 Other pressure containing parts
      4.3.4 Inner metallic partition walls
      4.3.5 Minimum values of safety factor
      4.3.6 Welded joint coefficient
5 Functional requirements
  5.1 General
      5.1.1 Mounting position
      5.1.2 Sound emission
  5.2 Shell strength, external tightness and internal sealing
      5.2.1 Shell strength
      5.2.2 External tightness
      5.2.3 Internal sealing
  5.3 Control classifications
      5.3.1 Accuracy under stable conditions
      5.3.2 Lock-up behaviour
      5.3.3 Stable conditions
  5.4 Final visual inspection
  5.5 Fail-close conditions
6 Gas pressure regulator sizing
  6.1 Flow behaviour
  6.2 Sizing equations for the calculation of volumetric
      flow rates of a gas pressure regulator with its
      control member in its mechanically fully open position
      6.2.1 Normal calculations
      6.2.2 Practical calculations
      6.2.3 Simplified calculations
  6.3 Calculation of the maximum accuracy flow rate
  6.4 Inherent flow characteristics
  6.5 Calculation of volumetric flow rates for partially
      open gas pressure regulators
  6.6 Flow coefficient
7 Testing
  7.1 General
  7.2 Tests
  7.3 Type test
  7.4 Selection of test samples
  7.5 Routine tests
  7.6 Production surveillance
  7.7 Test and verification methods
      7.7.1 Dimensional check and visual inspection
      7.7.2 Materials check
      7.7.3 Verification of the strength of pressure
            containing parts and inner metallic partition
            walls
      7.7.4 Shell and inner metallic partition walls
            strength test
      7.7.5 Alternative shell and inner metallic partition
            walls strength test
      7.7.6 External tightness test
      7.7.7 Functional tests
      7.7.8 Final visual inspection
8 Documentation
  8.1 Documentation related to type test
      8.1.1 Documentation required prior to type test
      8.1.2 Test report
  8.2 Documentation related to the routine tests
      8.2.1 Documentation provided at the request of the
            customer
      8.2.2 Documentation provided with the regulator
  8.3 Documentation related to production surveillance
      in accordance with 7.6
      8.3.1 Documentation to be available for production
            surveillance
      8.3.2 Production surveillance report
9 Marking
  9.1 General requirements
  9.2 Markings for the various connections
  9.3 Marking of integrated safety devices
Annex A (informative) Alternative methods for the
        determination of the accuracy class, the lock-up
        pressure class, the maximum accuracy flow rate,
        the flow coefficients and the verification of the
        hysteresis band
      A.1 General
      A.2 Test methods
          A.2.1 Direct acting gas pressure regulator
          A.2.2 Pilot controlled gas pressure regulators
      A.3 Determination of flow coefficients for larger
          capacity regulators
Annex B (informative) Inspection certificate
Annex C (informative) Acceptance test
Annex D (informative) Compliance evaluation
      D.1 General
      D.2 Introduction
      D.3 Procedure
      D.4 Manufacturer's compliance evaluation
      D.5 Issue of the certificate of compliance
Annex E (informative) Seat leakage (alternative requirement)
Annex F (normative) Creep (venting) relief device
      F.1 General
      F.2 Terms and definitions
      F.3 Requirements
          F.3.1 Construction
          F.3.2 Functional requirements
      F.4 Testing
      F.5 Type test
      F.6 Routine tests
      F.7 Documentation
      F.8 Marking
Annex G (informative) Order specification
      G.1 General
      G.2 Minimum specifications
          G.2.1 Details of construction
          G.2.2 Dimensions
          G.2.3 Performance
      G.3 Optional specifications
Annex H (normative) Materials
      H.1 Steel materials for pressure containing parts and
          inner metallic partition walls
      H.2 Metallic materials different from steel materials
          for pressure containing parts and inner metallic
          partition walls
      H.3 Materials for fixtures, integral process and
          sensing lines, connectors and fasteners
Annex I (informative) Glossary
Annex ZA (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 97/23/EC
Bibliography

Describes constructional, functional, testing and marking requirements, sizing and documentation of gas pressure regulators 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 degree C to +60 degree 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.

DevelopmentNote
2005 Edition Re-Issued in February 2009 & incorporates AMD 1 2009. (03/2009)
DocumentType
Standard
Pages
107
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy
Supersedes

I.S. 821:2006 GAS PRESSURE REGULATING STATIONS FOR DISTRIBUTION
I.S. 822:2007 GAS PRESSURE REGULATING INSTALLATIONS ON SERVICE PIPELINES

EN 12732:2013+A1:2014 Gas infrastructure - Welding steel pipework - Functional requirements
EN 60534-8-3:2011 Industrial-process control valves - Part 8-3: Noise considerations - Control valve aerodynamic noise prediction method
ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
EN 1759-3:2003/AC:2004 FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, CLASS DESIGNATED - PART 3: COPPER ALLOY FLANGES
ISO 9606-4:1999 Approval testing of welders — Fusion welding — Part 4: Nickel and nickel alloys
ISO/IEC 17050-1:2004 Conformity assessment Supplier's declaration of conformity Part 1: General requirements
ISO 9606-2:2004 Qualification test of welders — Fusion welding — Part 2: Aluminium and aluminium alloys
EN 10226-2:2005 Pipe threads where pressure tight joints are made on the threads - Part 2: Taper external threads and taper internal threads - Dimensions, tolerances and designation
EN 60534-1:2005 Industrial-process control valves - Part 1: Control valve terminology and general considerations
EN ISO 15613:2004 Specification and qualification of welding procedures for metallic materials - Qualification based on pre-production welding test (ISO 15613:2004)
ISO 15614-2:2005 Specification and qualification of welding procedures for metallic materials Welding procedure test Part 2: Arc welding of aluminium and its alloys
EN 1349:2009 Industrial process control valves
EN ISO 15612:2004 Specification and qualification of welding procedures for metallic materials - Qualification by adoption of a standard welding procedure (ISO 15612:2004)
ISO 15610:2003 Specification and qualification of welding procedures for metallic materials — Qualification based on tested welding consumables
EN 1759-1:2004 Flanges and their joint - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 1: Steel flanges, NPS 1/2 to 24
IEC 60534-3-1:2000 Industrial-process control valves - Part 3-1: Dimensions - Face-to-face dimensions for flanged, two-way, globe-type, straight pattern and centre-to-face dimensions for flanged, two-way, globe-type, angle pattern control valves
EN 1759-4:2003 Flanges and their joint - Circular flanges for pipes, valves, fittings and accessories, class designated - Part 4: Aluminium alloy flanges
EN 1092-3:2003/AC:2007 FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 3: COPPER ALLOY FLANGES
EN 12516-1:2014 Industrial valves - Shell design strength - Part 1: Tabulation method for steel valve shells
EN ISO 9606-4:1999 Approval testing of welders - Fusion welding - Part 4: Nickel and nickel alloys (ISO 9606-4:1999)
EN 12516-4:2014 Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel
ISO 6708:1995 Pipework components Definition and selection of DN (nominal size)
EN 45011 : 1998 GENERAL REQUIREMENTS FOR BODIES OPERATING PRODUCT CERTIFICATION SYSTEMS
EN 473:2008 Non-destructive testing - Qualification and certification of NDT personnel - General principles
EN 10045-1 : 1990 METALLIC MATERIALS - CHARPY IMPACT TEST - PART 1: TEST METHOD
ISO 15612:2004 Specification and qualification of welding procedures for metallic materials Qualification by adoption of a standard welding procedure
EN ISO 6708:1995 Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995)
EN ISO 15611:2003 Specification and qualification of welding procedures for metallic materials - Qualification based on previous welding experience (ISO 15611:2003)
ISO 15614-1:2017 Specification and qualification of welding procedures for metallic materials — Welding procedure test — Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys
EN 13445-4 : 2014 COR 2017 UNFIRED PRESSURE VESSELS - PART 4: FABRICATION
EN 12279:2000/A1:2005 GAS SUPPLY SYSTEMS - GAS PRESSURE REGULATING INSTALLATIONS ON SERVICE LINES - FUNCTIONAL REQUIREMENTS
ISO 15609-1:2004 Specification and qualification of welding procedures for metallic materials Welding procedure specification Part 1: Arc welding
EN 1092-4:2002 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 4: Aluminium alloy flanges
ISO 15611:2003 Specification and qualification of welding procedures for metallic materials — Qualification based on previous welding experience
EN 437:2003+A1:2009 Test gases - Test pressures - Appliance categories
ISO 5752:1982 Metal valves for use in flanged pipe systems Face-to-face and centre-to-face dimensions
EN 61672-1:2013 Electroacoustics - Sound level meters - Part 1: Specifications
EN ISO 9001:2015 Quality management systems - Requirements (ISO 9001:2015)
EN ISO 15614-2:2005 Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 2: Arc welding of aluminium and its alloys (ISO 15614-2:2005)
EN ISO 9606-2:2004 Qualification test of welders - Fusion welding - Part 2: Aluminium and aluminium alloys (ISO 9606-2:2004)
ISO 175:2010 Plastics Methods of test for the determination of the effects of immersion in liquid chemicals
EN 60534-2-1:2011/AC:2015 INDUSTRIAL-PROCESS CONTROL VALVES - PART 2-1: FLOW CAPACITY - SIZING EQUATIONS FOR FLUID FLOW UNDER INSTALLED CONDITIONS (IEC 60534-2-1:2011)
IEC 60534-3-2:2001 Industrial-process control valves - Part 3-2: Dimensions - Face-to-face dimensions for rotary control valves except butterfly valves
EN 60534-3-2:2001 Industrial-process control valves - Part 3-2: Dimensions - Face-to-face dimensions for rotary control valves except butterfly valves
EN 10204:2004 Metallic products - Types of inspection documents
ISO 9001:2015 Quality management systems — Requirements
EN 60534-2-3:2016 Industrial-process control valves - Part 2-3: Flow capacity - Test procedures
EN ISO 15609-1:2004 Specification and qualification of welding procedures for metallic materials - Welding procedure specification - Part 1: Arc welding (ISO 15609-1:2004)
EN 14382:2005+A1:2009/AC:2009 SAFETY DEVICES FOR GAS PRESSURE REGULATING STATIONS AND INSTALLATIONS - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURES UP TO 100 BAR
ISO 3419:1981 Non-alloy and alloy steel butt-welding fittings
EN 60534-3-1:2000/corrigendum:2000 INDUSTRIAL-PROCESS CONTROL VALVES - PART 3-1: DIMENSIONS - FACE-TO-FACE DIMENSIONS FOR FLANGED, TWO-WAY, GLOBE-TYPE, STRAIGHT PATTERN AND CENTRE-TO-FACE DIMENSIONS FOR FLANGED, TWO-WAY, GLOBE-TYPE, ANGLE PATTERN CONTROL VALVES
MSS SP 55 : 2011 QUALITY STANDARD FOR STEEL CASTINGS FOR VALVES, FLANGES, FITTINGS, AND OTHER PIPING COMPONENTS - VISUAL METHOD FOR EVALUATION OF SURFACE IRREGULARITIES
ISO/IEC Guide 65:1996 General requirements for bodies operating product certification systems
IEC 60534-2-3:2015 Industrial-process control valves - Part 2-3: Flow capacity - Test procedures
EN ISO/IEC 17050-1:2010 Conformity assessment - Supplier's declaration of conformity - Part 1: General requirements (ISO/IEC 17050-1:2004, corrected version 2007-06-15)
ISO 15613:2004 Specification and qualification of welding procedures for metallic materials Qualification based on pre-production welding test
EN 12516-2:2014 Industrial valves - Shell design strength - Part 2: Calculation method for steel valve shells
EN ISO 15610:2003 Specification and qualification of welding procedures for metallic materials - Qualification based on tested welding consumables (ISO 15610:2003)
ISO 15607:2003 Specification and qualification of welding procedures for metallic materials General rules
IEC 60534-2-1:2011 Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions
EN 1418:1997 Welding personnel - Approval testing of welding operators for fusion welding and resistance weld setters for fully mechanized and automatic welding of metallic materials
EN 1092-2:1997 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges
EN 970:1997 Non-destructive examination of fusion welds - Visual examination
EN 10226-1:2004 Pipe threads where pressure tight joints are made on the threads - Part 1: Taper external threads and parallel internal threads - Dimensions, tolerances and designation
IEC 60534-1:2005 Industrial-process control valves - Part 1: Control valve terminology and general considerations
IEC 60534-8-3:2010 Industrial-process control valves - Part 8-3: Noise considerations - Control valve aerodynamic noise prediction method
EN ISO 15607:2003 Specification and qualification of welding procedures for metallic materials - General rules (ISO 15607:2003)
EN ISO 9606-3:1999 Approval testing of welders - Fusion welding - Part 3: Copper and copper alloys (ISO 9606-3:1999)
IEC 60534-3:1976 Industrial-process control valves. Part 3: Dimensions - Section One: Face-to-face dimensions for flanged, two-way, globe-type control valves
EN ISO 175:2010 Plastics - Methods of test for the determination of the effects of immersion in liquid chemicals (ISO 175:2010)
ISO 1817:2015 Rubber, vulcanized or thermoplastic Determination of the effect of liquids
ISO 9606-3:1999 Approval testing of welders — Fusion welding — Part 3: Copper and copper alloys
EN 287-1:2011 Qualification test of welders - Fusion welding - Part 1: Steels
EN 12186:2014 Gas infrastructure - Gas pressure regulating stations for transmission and distribution - Functional requirements

View more information
€149.00
Excluding VAT

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.