EN 1252-2 standard for capillary and compression fitting for copper tubes.

BS EN 558: Industrial valves. Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems. PN and Class designated valve

BS EN 593 Industrial valves - Metallic butterfly valves for general purposes

BS EN 1057: Copper and copper alloys. Seamless, round copper tubes for water and gas in sanitary and heating applications

BS EN 1092-1: Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Steel flanges

BS EN 1092-2: Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Cast iron flanges

BS EN 1092-3: Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Copper alloy flanges

BS EN 1092-4: Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Aluminium alloy flanges

BS EN 1171: Industrial valves. Cast iron gate valves

BS EN 1254-1: Copper and copper alloys. Plumbing fittings. Fittings with ends for capillary soldering or capillary brazing to copper tubes

BS EN 1254-2: Copper and copper alloys. Plumbing fittings. Fittings with compression ends for use with copper tubes

BS EN 1254-3: Copper and copper alloys. Plumbing fittings. Fittings with compression ends for use with plastics pipes

BS EN 1254-4: Copper and copper alloys. Plumbing fittings. Fittings combining other end connections with capillary or compression ends

BS EN 1254-5: Copper and copper alloys. Plumbing fittings. Fittings with short ends for capillary brazing to copper tubes

BS EN 1254-6: Copper and copper alloys. Plumbing fittings. Fittings with push-fit ends

BS EN 1254-8: Copper and copper alloys. Plumbing fittings. Fittings with press ends for use with plastics and multilayer pipes

BS EN 1503-1: Valves. Materials for bodies, bonnets and covers. Steels specified in European Standards

BS EN 1503-2: Valves. Materials for bodies, bonnets and covers. Steels other than those specified in European Standards

BS EN 1503-3: Valves. Materials for bodies, bonnets and covers. Cast irons specified in European Standards

BS EN 1503-4: Valves. Materials for bodies, bonnets and covers. Copper alloys specified in European Standards

BS EN 1984 Industrial valves - Steel gate valves

BS EN 2082-2:Standard for aluminium alloy forging stock and forgings.

BS EN 10220 Seamless and welded steel tubes - Dimensions and masses per unit length

BS EN 10226-1:Pipe threads where pressure tight joints are made on the threads. Taper external threads and parallel internal threads. Dimensions, tolerances and designation

BS EN 10226-2:Pipe threads where pressure tight joints are made on the threads. Taper external threads and taper internal threads. Dimensions, tolerances and designation

BS EN 10226-3: Pipes threads where pressure-tight joints are made on the threads. Verification by means of limit gauges

BS EN 10241: Steel threaded pipe fittings

BS EN 10242: Threaded pipe fittings in malleable cast iron

BS EN 10253-1 Butt-welding pipe fittings. Wrought carbon steel for general use and without specific inspection requirements

BS EN 10253-2 Butt-welding pipe fittings. Non alloy and ferritic alloy steels with specific inspection requirements

BS EN 10255 Non-Alloy steel tubes suitable for welding, threading and other joining methods - Requirements and test methods

BS EN 12285-1: Workshop fabricated steel tanks. Horizontal cylindrical single skin and double skin tanks for the underground storage of flammable and non-flammable water polluting liquids

BS EN 12285-2: Workshop fabricated steel tanks. Horizontal cylindrical single skin and double skin tanks for the aboveground storage of flammable and non-flammable water polluting liquids

BS EN 12288 Industrial valves - Copper alloy gate valves

BS EN 12502-1: Protection of metallic materials against corrosion -Guidance on the assessment of corrosion likelihood in water distribution and storage systems- Part 1: General

BS EN 12502-2: Protection of metallic against corrosion - Guidance on the assessment of corrosion likelihood in water distribution and storage systems - Part 2: Influencing factors for copper and copper alloys

BS EN 12502-3: Protection of metallic materials materials against corrosion- Guidance on the assessment of corrosion likelihood in water distribution and storage systems - Part 3: Influencing factors for hot dip galvanized ferrous materials

BS EN 12502-4: Protection of metallic materials against corrosion - Guidance on the assessment of corrosion likelihood in water distribution and storage systems - Part 4: Influencing factors for stainless steels

BS EN 12502-5: Protection of metallic materials against corrosion - Guidance on the assessment of corrosion likelihood in water distribution and storage systems - Part 5: Influencing factors for cast iron, unalloyed and low alloyed steels

BS EN 12693: Refrigerating systems and heat pumps. Safety and environmental requirements. Positive displacement refrigerant compressor.

BS EN 12953-1:Shell boilers, General.

BS EN 12953-2:Shell boilers. Materials for pressure parts of boilers and accessories

BS EN 12953-3 Shell boilers. Design and calculation for pressure parts.

BS EN 12953-4: Shell boilers. Workmanship and construction of pressure parts of the boiler

BS EN 12953-5: Shell boilers, Inspection during construction, documentation and marking of pressure parts of the boiler

BS EN 12953-6:Shell boilers. Requirements for equipment for the boiler

BS EN 12953-7:Shell boilers. Requirements for firing systems for liquid and gaseous fuels for the boilers

BS EN 12953-8:Shell boilers. Requirements for safeguards against excessive pressure

BS EN 12953-9:Shell boilers. Requirements for limiting devices of the boiler and accessories

BS EN 12953-10:Shell boilers. Requirements for feedwater and boiler water quality

BS EN 12953-11:Shell boilers. Acceptance tests

BS EN 12953-12:Shell boilers. Requirements for grate firing systems for solid fuels for the boiler

BS EN 12953-13:Shell boilers. Operating instructions

BS EN 13709 Standard for Steel globe and globe stop and check valves.

BS EN 13741 Thermal performance acceptance testing of mechanical draught series wet cooling towers

BS EN 13789: Industrial valves. Cast iron globe valves

BS EN 14610: Welding and allied processes - Definitions of metal welding processes

BS EN 15034:Heating boilers. Condensing heating boilers for fuel oil

BS EN 15417: Gas-fired central heating boilers - Specific requirements for condensing boilers with a nominal heat input greater than 70 kW

BS EN 15501:Thermal insulation products for building equipment and industrial installations. Factory made expanded perlite (EP) and exfoliated vermiculite (EV) products. Specification

BS EN 15502-1: Gas-fired heating boilers. General requirements and tests

BS EN 15502-2-1: Gas-fired central heating boilers. Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1000 kW

BS EN 16767 Industrial valves. Steel and cast iron check valves

DIN EN 558: Industrial valves. Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems. PN and Class designated valve

DIN EN 593 Industrial valves - Metallic butterfly valves for general purposes

DIN EN 1057: Copper and copper alloys. Seamless, round copper tubes for water and gas in sanitary and heating applications

DIN EN 1092-1: Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Steel flanges

DIN EN 1092-2: Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Cast iron flanges

DIN EN 1092-3: Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Copper alloy flanges

DIN EN 1092-4: Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Aluminium alloy flanges

DIN EN 1171: Industrial valves. Cast iron gate valves

DIN EN 1254-1: Copper and copper alloys. Plumbing fittings. Fittings with ends for capillary soldering or capillary brazing to copper tubes

DIN EN 1254-2: Copper and copper alloys. Plumbing fittings. Fittings with compression ends for use with copper tubes

DIN EN 1254-3: Copper and copper alloys. Plumbing fittings. Fittings with compression ends for use with plastics pipes

DIN EN 1254-4: Copper and copper alloys. Plumbing fittings. Fittings combining other end connections with capillary or compression ends

DIN EN 1254-5: Copper and copper alloys. Plumbing fittings. Fittings with short ends for capillary brazing to copper tubes

DIN EN 1254-6: Copper and copper alloys. Plumbing fittings. Fittings with push-fit ends

DIN EN 1254-8: Copper and copper alloys. Plumbing fittings. Fittings with press ends for use with plastics and multilayer pipes

DIN EN 1984 Industrial valves - Steel gate valves

DIN EN 10242: Threaded pipe fittings in malleable cast iron

DIN EN 10255 Non-Alloy steel tubes suitable for welding, threading and other joining methods - Requirements and test methods

DIN EN 12285-1: Workshop fabricated steel tanks. Horizontal cylindrical single skin and double skin tanks for the underground storage of flammable and non-flammable water polluting liquids

DIN EN 12285-2: Workshop fabricated steel tanks. Horizontal cylindrical single skin and double skin tanks for the aboveground storage of flammable and non-flammable water polluting liquids

DIN EN 12288 Industrial valves - Copper alloy gate valves

DIN EN 12502-1: Protection of metallic materials against corrosion Guidance on the assessment of corrosion likelihood in water distribution and storage systems- Part 1: General

DIN EN 12502-2: Protection of metallic against corrosion - Guidance on the assessment of corrosion likelihood in water distribution and storage systems - Part 2: Influencing factors for copper and copper alloys

DIN EN 12502-3 Protection of metallic materials materials against corrosion Guidance on the assessment of corrosion likelihood in water distribution and storage systems - Part 3: Influencing factors for hot dip galvanized ferrous materials

DIN EN 12502-4: Protection of metallic materials against corrosion - Guidance on the assessment of corrosion likelihood in water distribution and storage systems - Part 4: Influencing factors for stainless steels

DIN EN 12502-5: Protection of metallic materials against corrosion - Guidance on the assessment of corrosion likelihood in water distribution and storage systems - Part 5: Influencing factors for cast iron, unalloyed and low alloyed steels

DIN EN 12693: Refrigerating systems and heat pumps. Safety and environmental requirements. Positive displacement refrigerant compressor.

DIN EN 12953-1:Shell boilers. General

DIN EN 12953-2: Shell boilers. Materials for pressure parts of boilers and accessories

DIN EN 12953-3: Shell boilers. Design and calculation for pressure parts.

DIN EN 12953-4: Shell boilers. Workmanship and construction of pressure parts of the boiler

DIN EN 12953-5:Shell boilers. Inspection during construction, documentation and marking of pressure parts of the boiler

DIN EN 12953-6: Shell boilers. Requirements for equipment for the boiler

DIN EN 12953-7:Shell boilers. Requirements for firing systems for liquid and gaseous fuels for the boilers

DIN EN 12953-8: Shell boilers. Requirements for safeguards against excessive pressure

DIN EN 12953-9: Shell boilers. Requirements for limiting devices of the boiler and accessories

DIN EN 12953-10:Shell boilers. Requirements for feedwater and boiler water quality

DIN EN 12953-11:Shell boilers. Acceptance tests

DIN EN 12953-12:Shell boilers. Requirements for grate firing systems for solid fuels for the boiler

DIN EN 12953-13:Shell boilers. Operating instructions

DIN EN 13709 Standard for Steel globe and globe stop and check valves.

DIN EN 13741 Thermal performance acceptance testing of mechanical draught series wet cooling towers

DN EN 13789: Industrial valves. Cast iron globe valves

DIN EN 14610: Welding and allied processes - Definitions of metal welding processes

DIN EN 15034:Heating boilers. Condensing heating boilers for fuel oil

DIN EN 15501:Thermal insulation products for building equipment and industrial installations. Factory made expanded perlite (EP) and exfoliated vermiculite (EV) products. Specification

DIN EN 15502-1: Gas-fired heating boilers. General requirements and tests

DIN EN 15502-2-1: Gas-fired central heating boilers. Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1000 kW

DIN EN 16767 Industrial valves. Steel and cast iron check valves

NF EN 12304:standard for Steel Plug Valves