EN 12255-3:2000 -
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EN 12255-3:2000 Onwards

Standard No Title of Standard
EN 12255-3:2000 Wastewater treatment plants. Preliminary treatment
EN 12255-4:2002 Wastewater treatment plants. Primary settlement
EN 12255-5:1999 Wastewater treatment plants. Lagooning processes
EN 12255-6:2002 Wastewater treatment plants. Activated sludge processes
EN 12255-7:2002 Wastewater treatment plants. Biological fixed-film reactors
EN 12255-8:2001 Wastewater treatment plants. Sludge treatment and storage
EN 12255-9:2002 Wastewater treatment plants. Odour control and ventilation
EN 12256:1998 Plastic piping systems. Thermoplastic fittings. Test method for mechanical strength or flexibility of fabricated fittings
EN 12257:2002 Transportable gas cylinders. Seamless, hoop-wrapped composite cylinders
EN 12258-1:1998 Aluminium and aluminium alloys. Terms and definitions. General terms
EN 12258-2:2004 Aluminium and aluminium alloys. Terms and definitions. Chemical analysis
EN 12258-3:2003 Aluminium and aluminium alloys. Terms and definitions. Scrap
EN 12258-4:2004 Aluminium and aluminium alloys. Terms and definitions. Residues of the aluminium industry
EN 12259-1:1999 Fixed firefighting systems. Components for sprinkler and water spray systems. Sprinklers
EN 12259-2:1999 Fixed firefighting systems. Components for sprinkler and water spray systems. Wet alarm valve assemblies
EN 12259-3:2000 Fixed firefighting systems. Components for sprinkler and water spray systems. Dry alarm valve assemblies
EN 12259-4:2000 Fixed firefighting systems. Components for sprinkler and water spray systems. Water motor alarms
EN 12259-5:2002 Fixed firefighting systems. Components for sprinkler and water spray systems. Water flow detectors
EN 1226:1996 Plastics piping systems. Glass-reinforced thermosetting plastics (GRP) pipes. Test method to prove the resistance to initial ring deflection
EN 12260:2003 Water quality. Determination of nitrogen. Determination of bound nitrogen (TN$db), following oxidation to nitrogen oxides
EN 12261:2002 Gas meters. Turbine gas meters
EN 12262:1999 Rotodynamic pumps. Technical documents. Terms, delivery range, layout
EN 12263:1999 Refrigerating systems and heat pumps. Safety switching devices for limiting the pressure. Requirements and tests
EN 12264:2005 Health informatics. Categorial structures for systems of concepts
EN 12266-1:2003 Industrial valves. Testing of valves. Pressure tests, test procedures and acceptance criteria. Mandatory requirements
EN 12266-2:2002 Industrial valves. Testing of valves. Tests, test procedures and acceptance criteria. Supplementary requirements
EN 12267:2003 Food processing machinery. Circular saw machines. Safety and hygiene requirements
EN 12268:2003 Food processing machinery. Band saw machines. Safety and hygiene requirements
EN 12269-1:2000 Determination of the bond behaviour between reinforcing steel and autoclaved aerated concrete by the "beam test". Short term test
EN 12269-2:2003 Determination of the bond behaviour between reinforcing steel and autoclaved aerated concrete by the "beam test". Long term test
EN 1227:1998 Plastics piping systems. Glass-reinforced thermosetting plastics (GRP) pipes. Determination of the long-term ultimate relative ring deflection under wet conditions
EN 12270:1998 Mountaineering equipment. Chocks. Safety requirements and test methods
EN 12271-3:2002 Surface dressing. Specifications. Rate of spread and accuracy of spread of binder and chippings
EN 12272-1:2002 Surface dressing. Test methods. Rate of spread and accuracy of spread of binder and chippings
EN 12272-2:2003 Surface dressing. Test methods. Visual assessment of defects
EN 12272-3:2003 Surface dressing. Test methods. Determination of binder aggregate adhesivity by the Vialit plate shock test method
EN 12274-1:2002 Slurry surfacing. Test methods. Sampling for binder extraction
EN 12274-2:2003 Slurry surfacing. Test methods. Determination of residual binder content
EN 12274-3:2002 Slurry surfacing. Test methods. Consistency
EN 12274-4:2003 Slurry surfacing. Test methods. Determination of cohesion of the mix
EN 12274-5:2003 Slurry surfacing. Test methods. Determination of wearing
EN 12274-6:2002 Slurry surfacing. Test methods. Rate of application
EN 12275:1998 Mountaineering equipment. Connectors. Safety requirements and test methods
EN 12276:1999 Mountaineering equipment. Frictional anchors. Safety requirements and test methods
EN 12277:1998 Mountaineering equipment. Harnesses. Safety requirements and test methods
EN 12278:1998 Mountaineering equipment. Pulleys. Safety requirements and test methods
EN 12279:2000 Gas supply systems. Gas pressure regulating installations on service lines. Functional requirements
EN 1228:1997 Plastics piping systems. Glass-reinforced thermosetting plastics (GRP) pipes. Determination of initial specific ring stiffness
EN 12280-1:1998 Rubber- or plastics-coated fabrics. Accelerated ageing tests. Heat ageing
EN 12280-2:2002 Rubber- or plastics-coated fabrics. Accelerated ageing tests. Physical ageing: effect of light or weathering
EN 12280-3:2002 Rubber- or plastics-coated fabrics. Accelerated ageing tests. Environmental ageing
EN 12281:2002 Printing and business paper. Requirements for copy paper for dry toner imaging processes
EN 12283:2002 Printing and business paper. Determination of toner adhesion
EN 12284:2003 Refrigerating systems and heat pumps. Valves. Requirements, testing and marking
EN 12285-1:2003 Workshop fabricated steel tanks. Horizontal cylindrical single skin and double skin tanks for the underground storage of flammable and non-flammable water polluting liquids
EN 12285-2:2005 Workshop fabricated steel tanks. Horizontal cylindrical single skin and double skin tanks for the aboveground storage of flammable and non-flammable water polluting liquids
EN 12286:1999 In vitro diagnostic medical devices. Measurement of quantities in samples of biological origin. Presentation of reference measurement procedures
EN 12287:1999 In vitro diagnostic medical devices. Measurement of quantities in samples of biological origin. Description of reference materials
EN 12288:2003 Industrial valves. Copper alloy gate valves
EN 1229:1997 Plastics piping systems. Glass-reinforced thermosetting plastics (GRP) pipes and fittings. Test methods to prove the leaktightness of the wall under short-term internal pressure
EN 12291:2003 Advanced technical ceramics. Mechanical properties of ceramic composites at high temperature in air at atmospheric pressure. Determination of compression properties
EN 12293:2000 Plastics piping systems. Thermoplastics pipes and fittings for hot and cold water. Test method for the resistance of mounted assemblies to temperature cycling
EN 12294:2000 Plastic piping systems. Systems for hot and cold water. Test method for leaktightness under vacuum
EN 12295:2000 Plastics piping systems. Thermoplastics pipes and associated fittings for hot and cold water. Test method for resistance of joints to pressure cycling
EN 12296:1998 Biotechnology. Equipment. Guidance on testing procedures for cleanability
EN 12297:1998 Biotechnology. Equipment. Guidance on testing procedures for sterilizability
EN 12298:1998 Biotechnology. Equipment. Guidance on testing procedures for leaktightness
EN 12300:1999 Cryogenic vessels. Cleanliness for cryogenic service
EN 123000:1992 Harmonized system of quality assessment for electronic components. Generic specification: printed boards
EN 12301:2000 Rubber and plastics machines. Calenders. Safety requirements
EN 1230-1:2001 Paper and board intended for contact with foodstuffs. Sensory analysis. Odour
EN 12302:2000 Crude tar and crude benzole. Terminology
EN 1230-2:2001 Paper and board intended for contact with foodstuffs. Sensory analysis. Off-flavour (taint)
EN 12303:2000 Coal tar based oils. Terminology
EN 12305:1998 Biotechnology. Modified organisms for application in the environment. Guidance for the sampling strategies for deliberate releases of genetically modified plants
EN 12306:1998 Biotechnology. Guidance for quality control of diagnostic kits used in agriculture, plant and animal pest and disease control and environmental contamination
EN 12307:1998 Biotechnology. Large-scale process and production. Guidance for good practice, procedures, training and control for personnel
EN 12308:1998 Installations and equipment for LNG. Suitability testing of gaskets designed for flanged joints used on LNG piping
EN 12309-1:2000 Gas-fired absorption and adsorption air-conditioning and/or heat pump appliances with a net heat input not exceeding 70 kW. Safety
EN 12309-2:2000 Gas-fired absorption and adsorption air-conditioning and/or heat pump appliances with a net heat input not exceeding 70 kW. Rational use of energy
EN 1231:1997 Workplace atmospheres. Short term detector tube measurement systems. Requirements and test methods
EN 123100:1992 Harmonized system of quality assessment for electronic components: Sectional specification: Single and double sided printed boards with plain holes
EN 12310-1:2000 Flexible sheets for waterproofing. Determination of resistance to tearing (nail shank). Bitumen sheets for roof waterproofing
EN 12310-2:2000 Flexible sheets for waterproofing. Determination of resistance to tearing (nail shank). Plastic and rubber sheets for roof waterproofing
EN 12311-1:2000 Flexible sheets for waterproofing. Determination of tensile properties. Bitumen sheets for roof waterproofing
EN 12311-2:2000 Flexible sheets for waterproofing. Determination of tensile properties. Plastic and rubber sheets for roof waterproofing
EN 12312-1:2001 Aircraft ground support equipment. Specific requirements. Passenger stairs
EN 12312-11:2005 Aircraft ground support equipment. Specific requirements. Container/pallet dollies and loose load trailers
EN 12312-12:2002 Aircraft ground support equipment. Specific requirements. Potable water service equipment
EN 12312-13:2002 Aircraft ground support equipment. Specific requirements. Lavatory service equipment
EN 12312-17:2004 Aerospace series. Aircraft ground support equipment. Specific requirements. Air conditioning equipment
EN 12312-18:2005 Aircraft ground support equipment. Specific requirements. Nitrogen or oxygen units
EN 12312-19:2005 Aircraft ground support equipment. Specific requirements. Aircraft jacks, axle jacks, and hydraulic tail stanchions
EN 12312-2:2002 Aircraft ground support equipment. Specific requirements. Catering vehicles
EN 12312-3:2003 Aircraft ground support equipment. Specific requirements. Conveyor belt vehicles
EN 12312-4:2003 Aircraft ground support equipment. Specific requirements. Passenger boarding bridges
EN 12312-5:2005 Aircraft ground support equipment. Specific requirements. Aircraft fuelling equipment
EN 12312-6:2004 Aircraft ground support equipment. Specific requirements. De-icers and de-icing/anti-icing equipment
EN 12312-8:2005 Aircraft ground support equipment. Specific requirements. Maintenance stairs and platforms
EN 12312-9:2005 Aircraft ground support equipment. Specific requirements. Container/pallet loaders
EN 12316-1:2000 Flexible sheets for waterproofing. Determination of peel resistance of joints. Bitumen sheets for roof waterproofing
EN 12316-2:2000 Flexible sheets for waterproofing. Determination of peel resistance of joints. Plastic and rubber sheets for roof waterproofing
EN 12317-1:2000 Flexible sheets for waterproofing. Bitumen sheets for roof waterproofing. Determination of shear resistance of joints
EN 12317-2:2000 Flexible sheets for waterproofing. Plastic and rubber sheets for roof waterproofing
EN 1232:1997 Workplace atmospheres. Pumps for personal sampling of chemical agents. Requirements and test methods
EN 12320:2001 Building hardware. Padlocks and padlock fittings. Requirements and test methods
EN 123200:1992 Harmonized system of quality assessment for electronic components: Sectional specification: Single and double sided printed boards with plated through holes
EN 12321:2003 Underground mining machinery. Specification for the safety requirements of armoured face conveyors
EN 12322:1999 In vitro diagnostic medical devices. Culture media for microbiology. Performance criteria for culture media
EN 12323:1998 Bar coding. Symbology specifications. "Code 16K"
EN 12324-1:1999 Irrigation techniques. Reel machine systems. Size series
EN 12324-2:1999 Irrigation techniques. Reel machine systems. Specifications of polyethylene tubes for reel machines
EN 12324-3:1999 Irrigation techniques. Reel machine systems. Presentation of technical characteristics
EN 12324-4:1999 Irrigation techniques. Reel machine systems. Check list of users requirements
EN 12325-1:1999 Irrigation techniques. Centre pivot and moving lateral systems. Presentation of the technical characteristics





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