UNI 9036 : 2001
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GAS METERS - INSTALLATION REQUIREMENTS
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UNI EN 12732 : 2014
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GAS INFRASTRUCTURE - WELDING STEEL PIPEWORK - FUNCTIONAL REQUIREMENTS
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UNI 10390 : 1994
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Natural gas final pressure reduction plants operating with maximum upstream pressure between 5 and 12 bar. Design, construction and testing.
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CEI EN 60079-10-1 : 2016
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EXPLOSIVE ATMOSPHERES - PART 10-1: CLASSIFICATION OF AREAS - EXPLOSIVE GAS ATMOSPHERES
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UNI 10619-3 : 2014
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GAS PRESSURE CONTROL SYSTEMS AND/OR GAS MEASUREMENT INSTALLATIONS FOR INLET MAX PRESSURE UP TO 12 BAR FOR INDUSTRIAL AND DOMESTIC USE - PART 3: DESIGN, CONSTRUCTION AND TESTING - GAS MEASUREMENT INSTALLATIONS
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UNI EN 1359 : 2006
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GAS METERS - DIAPHRAGM GAS METERS
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UNI EN 1775 : 2007
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GAS SUPPLY - GAS PIPEWORK FOR BUILDINGS - MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 5 BAR - FUNCTIONAL RECOMMENDATIONS
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UNI EN 12007-3 : 2004
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GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 3: SPECIFIC FUNCTIONAL REQUIREMENTS FOR STEEL
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UNI 9736 : 2014
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FITTINGS MANUFACTURED WITH MIXED JUNCTION, METAL-POLYETHYLENE, FOR USE IN PIPELINES FOR THE SUPPLY OF GASEOUS FUELS, WATER AND OTHER FLUIDS UNDER PRESSURE AND METAL-POLYPROPYLENE PIPES FOR WATER SUPPLY AND OTHER FLUIDS UNDER PRESSURE - REQUIREMENTS, TESTING, FITNESS FOR PURPOSE AND ASSESSMENT OF CONFORMITY
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UNI EN 14236 : 2007
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ULTRASONIC DOMESTIC GAS METERS
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UNI 10619-2 : 2014
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GAS PRESSURE CONTROL SYSTEMS AND/OR GAS MEASUREMENT INSTALLATIONS FOR INLET MAX PRESSURE UP TO 12 BAR FOR INDUSTRIAL AND DOMESTIC USE - PART 2: DESIGN, CONSTRUCTION AND TESTING - EQUIPMENT FOR GAS CONTROL
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UNI 9167 : 2009
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INITIAL PRESSURE AND REDUCTION PLANTS FOR NATURAL GAS - DESIGN, CONSTRUCTION AND TESTING
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UNI EN 437 : 2009
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TEST GASES - TEST PRESSURES - APPLIANCE CATEGORIES
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UNI EN 12480 : 2006
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GAS METERS - ROTARY DISPLACEMENT GAS METERS
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UNI EN 12007-1 : 2012
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GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 1: GENERAL FUNCTIONAL REQUIREMENTS
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UNI EN 1776 : 2004
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GAS INFRASTRUCTURE - GAS MEASURING SYSTEMS - FUNCTIONAL REQUIREMENTS
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UNI EN 12186 : 2014
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GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
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UNI EN 14382 : 2009
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SAFETY DEVICES FOR GAS PRESSURE REGULATING STATIONS AND INSTALLATIONS - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURES UP TO 100 BAR
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UNI EN 334 : 2009
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GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR
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UNI EN 13774 : 2013
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VALVES FOR GAS DISTRIBUTION SYSTEMS WITH MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 16 BAR - PERFORMANCE REQUIREMENTS
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UNI EN 10204 : 2005
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METALLIC PRODUCTS - TYPES OF INSPECTION DOCUMENTS
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ISO 10790:2015
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Measurement of fluid flow in closed conduits Guidance to the selection, installation and use of Coriolis flowmeters (mass flow, density and volume flow measurements)
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OIML R 137-1 & 2 : 2012 AMD 2014
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GAS METERS - PART 1: METROLOGICAL AND TECHNICAL REQUIREMENTS; PART 2: METROLOGICAL CONTROLS AND PERFORMANCE TESTS
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UNI 10284 : 1993
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MONOLITHIC INSULATION JOINTS - 10 <= DN <= 80 - PN 10
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UNI EN 12405-1 : 2010
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GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION
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ISO 17089-1:2010
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Measurement of fluid flow in closed conduits - Ultrasonic meters for gas Part 1: Meters for custody transfer and allocation measurement
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UNI EN 15001-1 : 2009
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GAS INFRASTRUCTURE - GAS INSTALLATION PIPEWORK WITH AN OPERATING PRESSURE GREATER THAN 0,5 BAR FOR INDUSTRIAL INSTALLATIONS AND GREATER THAN 5 BAR FOR INDUSTRIAL AND NON-INDUSTRIAL INSTALLATIONS - PART 1: DETAILED FUNCTIONAL REQUIREMENTS FOR DESIGN, MATERIALS, CONSTRUCTION, INSPECTION AND TESTING
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UNI 10285 : 1993
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MONOLITHIC INSULATION JOINTS - 80 <= DN <= 600 - PN 16
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UNI EN 12327 : 2012
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GAS INFRASTRUCTURE - PRESSURE TESTING, COMMISSIONING AND DECOMMISSIONING PROCEDURES - FUNCTIONAL REQUIREMENTS
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UNI EN 12279 : 2007
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GAS SUPPLY SYSTEM - GAS PRESSURE REGULATING INSTALLATIONS ON SERVICE LINES - FUNCTIONAL REQUIREMENTS
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UNI 8827 : 1985
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FINAL GAS PRESSURE-REGULATING INSTALLATIONS FOR INLET PRESSURE BETWEEN 0,04 AND 5 BAR - DESIGN, CONSTRUCTION AND TESTING
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UNI EN 12261 : 2006
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GAS METERS - TURBINE GAS METERS
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