NA 032

DIN Standards Committee Gas Technology

DIN EN 334 [CURRENT] references following documents:

Document number Edition Title
ISO 3419 1981-07 Non-alloy and alloy steel butt-welding fittings More 
ISO 7005-2 1988-12 Metallic flanges; part 2: cast iron flanges More 
CEN Guide 4 2008-11 Guide for addressing environmental issues in products standards More 
DVGW G 459-2 2015-11 Gas Pressure Regulating Installations with a Maximum Upstream Operating Pressure of 5 bar and a Maximum Design Flow Rate of 200 m³/h under normal Conditions on Service Lines; Functional Requirements More 
DVGW G 491 2022-07 Gas Pressure Regulating Stations for Inlet Pressures up to and including 100 bar More 
EN IEC 60534-1 2023-06 Industrial-process control valves - Part 1: Control valve terminology and general considerations (IEC 60534-1:2023) More 
EN ISO 6708 1995-07 Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995) More 
EN ISO/IEC 17025 2017-12 General requirements for the competence of testing and calibration laboratories (ISO/IEC 17025:2017) More 
EN ISO/IEC 17050-1 2010-04 Conformity assessment - Supplier's declaration of conformity - Part 1: General requirements (ISO/IEC 17050-1:2004, corrected version 2007-06-15) More 
EN ISO/IEC 17065 2012-09 Conformity assessment - Requirements for bodies certifying products, processes and services (ISO/IEC 17065:2012) More