This European Standard deals with metal isolating valves used for gas distribution systems with maximum operating pressure up to 16 bar, and which operate with fuel gases of the first, the second and the third family, in accordance with EN 437. The types of isolating valves to be considered are: plug and ball valves, gate valves, globe valves and butterfly valves. This standard does not apply to: valves for domestic installations; safety type pressure relief valves; wellhead valves. In the case of power operated valves, the requirements for the power source are not covered by this European Standard. The valves covered in this European Standard operate in the following classes of temperature: 10 °C to 60 °C; 20 °C to 60 °C; the range is stated by the purchaser for special design. This European Standard gives additional requirements to the relevant products standards. (See Annex B.) In case of contradictions between the standards mentioned in Annex B and this European Standard, EN 13774 prevails.
EN 10204:2004 Metallic products - Types of inspection documents*， 2024-04-20 Update
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
EN 1092-2:1997 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges
EN 1092-3:2003 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories PN designated - Part 3: Copper alloy flanges
EN 12117:1997 Platics Piping Systems - Fittings, Valves and Ancillaries - Determination of Gaseous Flow Rate/Pressure Drop Relationships
EN 12266-1:2012 Industrial valves - Testing of metallic valves - Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements
EN 12516-1:2005 Industrial valves - Shell design strength - Part 1: Tabulation method for steel valve shells
EN 12516-2:2004 Industrial valves - Shell design strength - Part 2: Calculation method for steel valve shells
EN 12516-3:2002 Valves - Shell design strength - Part 3: Experimental method*， 2024-04-20 Update
EN 12516-4:2008 Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel
EN 12570:2000 Industrial valves - Method for sizing the operating element
EN 12627:1999 Industrial valves - Butt welding ends for steels valves
EN 12982:2009 Industrial valves - End-to-end and centre-to-end dimensions for butt welding end valves
EN 13942:2009 Petroleum and natural gas industries - Pipeline transportation systems - Pipeline valves (Incorporating corrigendum May 2009)
EN 1555-1:2010 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 1: General
EN 1555-2:2010 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes
EN 1759-1:2004 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, class designated - Part 1: Steel flanges, NPS 1/2 to 24*， 2024-04-20 Update
EN 1759-3:2003 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 3: Copper alloy flanges Incorporating Corrigendum July 2004
EN 19:2002 Industrial Valves - Marking of Metallic Valves
EN 377:1993 Lubricants for applications in appliances and associated controls using combustible gases except those designed for use in industrial processes
EN 549:1994 Rubber materials for seals and diaphragms for gas appliances and gas equipmemt
EN 682:2002 Elastomeric seals - Materials requirements for seals used in pipes and fittings carrying gas and hydrocarbon fluids
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 736-3:2008 Valves - Terminology - Part 3: Definition of terms
EN 764-1:2004 Pressure equipment - Part 1: Terminology - Pressure, temperature, volume, nominal size Supersedes EN 764:1994
EN ISO 228-1:2003 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation ISO 228-1: 2000
EN ISO 8434-1:2007 Metallic tube connections for fluid power and general use - Part 1:24 degree cone connectors (ISO 8434-1:2007)
ISO 272:1982 Fasteners; Hexagon products; Widths across flats
EN 13774:2013 history
2013EN 13774:2013 Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements
2003EN 13774:2003 Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements services