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EN ISO 6509:1995

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Corrosion of metals and alloys - Determination of dezincification resistance of brass (ISO 6509:1981)

Superseded date

06-01-2014

Superseded by

EN ISO 6509-1:2014

Published date

02-14-1995

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Foreword
1 Scope and field of application
2 Principle
3 Reagents and materials
4 Apparatus
5 Test pieces
6 Preparation of test pieces
7 Procedure
8 Acceptance limits
9 Test report

The method applies to brass exposed to frech or saline waters. May be used for control or research purposes, but the field of application is not specified. The method consists of exposure of test pieces to copper(II) chloride solution followed by microscopic examination.

Committee
CEN/TC 262
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

DIN EN 15092:2008-09 BUILDING VALVES - INLINE HOT WATER SUPPLY TEMPERING VALVES - TESTS AND REQUIREMENTS
00/107336 DC : DRAFT OCT 2000 PREN 13959 - ANTI-POLLUTION CHECK VALVES DN 6 TO DN 250 INCLUSIVE - FAMILY E, TYPE A, B, C AND D
DIN EN 1254-8:2012-12 Copper and copper alloys - Plumbing fittings - Part 8: Fittings with press ends for use with plastics and multilayer pipes
PREN 1487 : DRAFT 2012 BUILDING VALVES - HYDAULIC SAFETY GROUPS - TESTS AND REQUIREMENTS
DIN EN 1254-6:2012-12 Copper and copper alloys - Plumbing fittings - Part 6: Fittings with push-fit ends
02/103309 DC : DRAFT MAY 2002 BS EN 14455 - DEVICES TO PREVENT POLLUTION BY BLACKFLOW OF POTABLE WATER - PRESSURISED AIR INLET VALVES DN 15 TO DN 50 INCLUSIVE - FAMILY L, TYPE A AND TYPE B
DIN CEN/TS 13547:2007-02 INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES
01/711712 DC : DRAFT AUG 2001 BS EN 12502-2 - PROTECTION OF METALLIC MATERIALS AGAINST CORROSION - CORROSION LIKELIHOOD IN WATER CONVEYING SYSTEMS - PART 2: REVIEW OF THE INFLUENCING FACTORS FOR COPPER AND COPPER ALLOYS
04/30126822 DC : 0 EN 15092 - BUILDING VALVES - INLINE HOT WATER SUPPLY TEMPERING VALVES - TESTS AND REQUIREMENTS
UNE-EN 13547:2014 Industrial valves - Copper alloy ball valves
DD CEN/TS 13547:2006 Industrial valves. Copper alloy ball valves
I.S. EN 1254-1:1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 1: FITTINGS WITH ENDS FOR CAPILLARY SOLDERING OR CAPILLARY BRAZING TO COPPER TUBES
I.S. EN 1254-3:1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 3: FITTINGS WITH COMPRESSION ENDS FOR USE WITH PLASTICS PIPES
PREN 1254-6 : DRAFT 2011 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 6: FITTING WITH PUSH-FIT ENDS
I.S. EN 13547:2013 INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES
DIN EN 13434:2006-05 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - MECHANICAL DISCONNECTOR, HYDRAULIC ACTUATED - FAMILY G - TYPE B
DIN EN 13433:2006-05 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - MECHANICAL DISCONNECTOR, DIRECT ACTUATED - FAMILY G - TYPE A
DIN EN 1254-1:1998-03 Copper and copper alloy plumbing fittings - Part 1: Fittings with ends for capillary soldering or capillary brazing to copper tubes
BS EN 14454:2005 Devices to prevent pollution by backflow of potable water. Hose union backflow preventer DN 15 to DN 32 inclusive. Family H, type A
BS EN 13828:2003 Building valves. Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings. Tests and requirements
BS EN 15266:2007 Stainless steel pliable corrugated tubing kits in buildings for gas with an operating pressure up to 0,5 bar
BS EN 1254-2:1998 Copper and copper alloys. Plumbing fittings Fittings with compression ends for use with copper tubes
BS EN 14453:2005 Devices to prevent pollution by backflow of potable water. Pipe interrupter with permanent atmospheric vent DN 10 to DN 20. Family D, type C
BS EN 1567 : 2000 BUILDING VALVES - WATER PRESSURE REDUCING VALVES AND COMBINATION WATER REDUCING VALVES - REQUIREMENTS AND TESTS
BS EN 13433:2007 Devices to prevent pollution by backflow of potable water. Mechanical disconnector, direct actuated. Family G, type A
BS EN 12420:2014 Copper and copper alloys. Forgings
BS EN 1489:2000 Building valves. Pressure safety valves. Tests and requirements
BS EN 14367:2005 Non controllable backflow preventer with different pressure zones. Family C, type A
DIN EN 13828:2003-12 BUILDING VALVES - MANUALLY OPERATED COPPER ALLOY AND STAINLESS STEEL BALL VALVES FOR POTABLE WATER SUPPLY IN BUILDINGS - TESTS AND REQUIREMENTS
DIN EN 12502-2:2005-03 PROTECTION OF METALLIC MATERIALS AGAINST CORROSION - GUIDANCE ON THE ASSESSMENT OF CORROSION LIKELIHOOD IN WATER DISTRIBUTION AND STORAGE SYSTEMS - PART 2: INFLUENCING FACTORS FOR COPPER AND COPPER ALLOYS
EN 13443-1:2002+A1:2007 Water conditioning equipment inside buildings - Mechanical filters - Part 1: Particle rating 80 µm to 150 µm - Requirements for performances, safety and testing
EN 12729:2002 Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A
EN 13433:2006 Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A
EN 13547:2013 Industrial valves - Copper alloy ball valves
DIN EN 14367:2005-10 Non controllable backflow preventer with different pressure zones - Family C, type A
EN 12502-2:2004 Protection of metallic materials 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 14453:2005-08 Devices to prevent pollution by backflow of potable water - Pipe interrupter with permanent atmospheric vent DN 10 to DN 20 - Family D, type C; German version EN 14453:2005
CEN/TS 13547:2006 Industrial valves - Copper alloy ball valves
I.S. EN 12729:2002 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - CONTROLLABLE BACKFLOW PREVENTER WITH REDUCED PRESSURE ZONE - FAMILY B - TYPE A
07/30163621 DC : 0 BS EN 1254-5 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 5: FITTINGS WITH SHORT ENDS FOR CAPILLARY BRAZING TO COPPER TUBES
04/30095586 DC : 0 EN 1254-6 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 6: FITTING WITH PUSH-FIT ENDS
BS EN 1254-8:2012 Copper and copper alloys. Plumbing fittings Fittings with press ends for use with plastics and multilayer pipes
I.S. EN 14506:2005 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - AUTOMATIC DIVERTER - FAMILY H, TYPE C
DIN EN 14868:2005-11 PROTECTION OF METALLIC MATERIALS AGAINST CORROSION - GUIDANCE ON THE ASSESSMENT OF CORROSION LIKELIHOOD IN CLOSED WATER CIRCULATION SYSTEMS
DIN EN 15266:2007-08 Stainless steel pliable corrugated tubing kits in buildings for gas with an operating pressure up to 0,5 bar
BS EN 1490:2000 Building valves. Combined temperature and pressure relief valves. Tests and requirements
BS EN 1254-3:1998 Copper and copper alloys. Plumbing fittings Fittings with compression ends for use with plastics pipes
BS EN 13443-1:2002 Water conditioning equipment inside buildings. Mechanical filters Particle rating 80 μm to 150 μm. Requirements for performances, safety and testing
BS EN 12729:2002 Devices to prevent pollution by backflow of potable water. Controllable backflow preventer with reduced pressure zone. Family B. Type A
DIN EN 1487:2000-06 BUILDING VALVES - HYDRAULIC SAFETY GROUPS - TESTS AND REQUIREMENTS
DIN EN 12420:1999-03 COPPER AND COPPER ALLOYS - FORGINGS
I.S. EN 13434:2006 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - MECHANICAL DISCONNECTOR, HYDRAULIC ACTUATED - FAMILY G, TYPE B
I.S. EN 13443-1:2002 WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - MECHANICAL FILTERS - PART 1: PARTICLE RATING 80 MICROMETER TO 150 MICROMETER - REQUIREMENTS FOR PERFORMANCES, SAFETY AND TESTING
I.S. EN 1487:2014 BUILDING VALVES - HYDRAULIC SAFETY GROUPS - TESTS AND REQUIREMENTS
I.S. EN 13433:2006 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - MECHANICAL DISCONNECTOR, DIRECT ACTUATED - FAMILY G, TYPE A
I.S. EN 12420:2014 COPPER AND COPPER ALLOYS - FORGINGS
BS EN 15092:2008 Building valves. Inline hot water supply tempering valves. Tests and requirements
11/30213587 DC : 0 BS EN 1254-6 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 6: FITTINGS WITH PUSH-FIT ENDS
07/19990369 DC : 0 BS EN 806-4 - SPECIFICATIONS FOR INSTALLATIONS INSIDE BUILDINGS CONVEYING WATER FOR HUMAN CONSUMPTION - PART 4 - INSTALLATION
EN 1488:2000 Building valves - Expansion groups - Tests and requirements
I.S. EN 15092:2008 BUILDING VALVES - INLINE HOT WATER SUPPLY TEMPERING VALVES - TESTS AND REQUIREMENTS
07/30163618 DC : 0 BS EN 1254-2 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 2: FITTINGS WITH COMPRESSION ENDS FOR USE WITH COPPER TUBES
12/30261889 DC : 0 BS EN 12420 - COPPER AND COPPER ALLOYS - FORGINGS
11/30213590 DC : 0 BS EN 1254-8 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 8: FITTINGS WITH PRESS ENDS FOR USE WITH PLASTICS AND MULTILAYER PIPES
07/30168419 DC : 0 BS EN 1982 - COPPER AND COPPER ALLOYS - INGOTS AND CASTINGS
DIN EN 15096:2008-04 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - HOSE UNION ANTI-VACUUM VALVES - DN 15 TO DN 25 INCLUSIVE FAMILY H, TYPE B AND TYPE D - GENERAL TECHNICAL SPECIFICATION
14/30312005 DC : 0 BS EN 61770: 2009/PRAA: 2014 - ELECTRIC APPLIANCES CONNECTED TO THE WATER MAINS - AVOIDANCE OF BACKSIPHONAGE AND FAILURE OF HOSE-SETS
EN 1254-3:1998 Copper and copper alloys - Plumbing fittings - Part 3: Fittings with compression ends for use with plastics pipes
UNI EN 1254-8 : 2012 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 8: FITTINGS WITH PRESS ENDS FOR USE WITH PLASTICS AND MULTILAYER PIPES
I.S. EN 1254-2:1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 2: FITTINGS WITH COMPRESSION ENDS FOR USE WITH COPPER TUBES
I.S. EN 1254-5:1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 5: FITTINGS WITH SHORT ENDS FOR CAPILLARY BRAZING TO COPPER TUBES
PREN 12420 : DRAFT 2012 COPPER AND COPPER ALLOYS - FORGINGS
UNI EN 13547 : 2013 INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES
I.S. CEN TS 13547:2006 INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES
I.S. EN 15096:2008 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - HOSE UNION ANTI-VACUUM VALVES - DN 15 TO DN 25 INCLUSIVE FAMILY H, TYPE B AND TYPE D - GENERAL TECHNICAL SPECIFICATION
DIN EN 14451:2005-08 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - IN-LINE ANTI-VACUUM VALVES DN 8 TO DN 80 - FAMILY D, TYPE A
EN 12420:2014 Copper and copper alloys - Forgings
DIN EN 13443-1:2007-12 WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - MECHANICAL FILTERS - PART 1: PARTICLE RATING 80 [MU]M TO 150 [MU]M - REQUIREMENTS FOR PERFORMANCES, SAFETY AND TESTING
DIN EN 1487:2014-09 BUILDING VALVES - HYDRAULIC SAFETY GROUPS - TESTS AND REQUIREMENTS
DIN EN 12420:2014-09 COPPER AND COPPER ALLOYS - FORGINGS
BS EN 14451:2005 Devices to prevent pollution by backflow of potable water. In-line anti-vacuum valves DN 8 to DN 80. Family D, type A
EN 15096:2008 Devices to prevent pollution by backflow of potable water - Hose Union anti-vacuum valves - DN 15 to DN 25 inclusive Family H, type B and type D - General technical specification
EN 14451:2005 Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 8 to DN 80 - Family D, type A
I.S. EN 14451:2005 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - IN-LINE ANTI-VACUUM VALVES DN 8 TO DN 80 - FAMILY D, TYPE A
ONORM EN 14451 : 2005 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - IN-LINE ANTI-VACUUM VALVES DN 8 TO DN 80 - FAMILY D, TYPE A
I.S. EN 1491:2000 BUILDING VALVES - EXPANSION VALVES - TESTS AND REQUIREMENTS
UNI EN 1487 : 2014 BUILDING VALVES - HYDRAULIC SAFETY GROUPS - TESTS AND REQUIREMENTS
UNI EN 12420 : 2014 COPPER AND COPPER ALLOYS - FORGINGS
DIN EN 13547:2013-12 INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES
BS EN 14506:2005 Devices to prevent pollution by backflow of potable water. Automatic diverter. Family H, type C
05/30135337 DC : DRAFT JUN 2005 EN 15266 - STAINLESS STEEL PLIABLE CORRUGATED TUBING SYSTEMS IN BUILDINGS FOR GAS WITH AN OPERATING PRESSURE UP TO 0,5 BAR
UNE-EN 1254-8:2013 Copper and copper alloys - Plumbing fittings - Part 8: Fittings with press ends for use with plastics and multilayer pipes
BS EN 13547:2013 Industrial valves. Copper alloy ball valves
03/110849 DC : DRAFT JULY 2003 BS EN 14652 - WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - MEMBRANE SEPARATION DEVICE - REQUIREMENTS FOR PERFORMANCE, SAFETY AND TESTING
DIN 3523:2001-04 Fittings for drinking water installations - Extensions
UNI EN 1254-6 : 2012 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 6: FITTINGS WITH PUSH-FIT ENDS
EN 1254-8:2012 Copper and copper alloys - Plumbing fittings - Part 8: Fittings with press ends for use with plastics and multilayer pipes
I.S. EN 1488:2000 BUILDING VALVES - EXPANSION GROUPS - TESTS AND REQUIREMENTS
EN 1254-2:1998 Copper and copper alloys - Plumbing fittings - Part 2: Fittings with compression ends for use with copper tubes
11/30253929 DC : 0 BS EN 4820 - AEROSPACE SERIES - COPPER AND COPPER ALLOYS - WROUGHT PRODUCTS - TECHNICAL SPECIFICATION
02/103308 DC : DRAFT MAY 2002 BS EN 14454 - DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - HOSE UNION BACKFLOW PREVENTER DN 15 TO DN 32 INCLUSIVE - FAMILY H, TYPE A
I.S. EN 1254-8:2012 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 8: FITTINGS WITH PRESS ENDS FOR USE WITH PLASTICS AND MULTILAYER PIPES
I.S. EN 1254-6:2012 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 6: FITTINGS WITH PUSH-FIT ENDS
BS EN 14868:2005 Protection of metallic materials against corrosion. Guidance on the assessment of corrosion likelihood in closed water circulation systems
BS EN 1254-5:1998 Copper and copper alloys. Plumbing fittings Fittings with short ends for capillary brazing to copper tubes
BS EN 1488:2000 Building valves. Expansion groups. Tests and requirements
BS EN 13959:2004 Anti-pollution check valves. DN 6 to DN 250 inclusive Family E, type A, B, C, and D
BS EN 12502-2:2004 Protection of metallic materials against corrosion. Guidance on the assessment of corrosion likelihood in water distribution and storage systems Influencing factors for copper and copper alloys
BS EN 1487:2014 Building valves. Hydraulic safety groups. Tests and requirements
BS EN 1213:2000 Building valves. Copper alloy stopvalves for potable water supply in buildings. Tests and requirements
BS EN 806-2:2005 Specifications for installations inside buildings conveying water for human consumption Design
UNE-EN 12420:2015 Copper and copper alloys - Forgings
BS EN 14452:2005 Devices to prevent pollution by backflow of potable water. Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20. Family D, t ype B
BS EN 13434:2006 Devices to prevent pollution by backflow of potable water. Mechanical disconnector, hydraulic actuated. Family G, type B
DIN EN 14455:2005-08 Devices to prevent pollution by backflow of potable water - Pressurised air inlet valves DN 15 to DN 50 - Family L, type A and type B
EN 14455:2005 Devices to prevent pollution by backflow of potable water - Presssurised air inlet valves DN 15 to DN 50 - Family L, type A and type B
EN 15266:2007 Stainless steel pliable corrugated tubing kits in buildings for gas with an operating pressure up to 0,5 bar
EN 15092:2008 Building valves - Inline hot water supply tempering valves - Tests and requirements
EN 13828:2003 Building valves - Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings -Tests and requirements
EN 1489:2000 Building valves - Pressure safety valves - Tests and requirements
EN 14868:2005 Protection of metallic materials against corrosion - Guidance on the assessment of corrosion likelihood in closed water circulation systems
EN 806-2:2005 Specification for installations inside buildings conveying water for human consumption - Part 2: Design
EN 1487:2014 Building valves - Hydraulic safety groups - Tests and requirements
EN 1567:1999 Building valves - Water pressure reducing valves and combination water pressure reducing valves - Requirements and tests
EN 1491:2000 Building valves - Expansion valves - Tests and requirements
EN 1490:2000 Building valves - Combined temperature and pressure relief valves - Tests and requirements
EN 14506:2005 Devices to prevent pollution by backflow of potable water - Automatic diverter - Family H, type C
EN 14454:2005 Devices to prevent pollution by backflow of potable water - Hose union backflow preventer DN 15 to DN 32 - Family H, type A
EN 14452:2005 Devices to prevent pollution by backflow of potable water - Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20 - Family D, type B
EN 13959:2004 Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D
EN 14367:2005 Non controllable backflow preventer with different pressure zones - Family C, type A
EN 14453:2005 Devices to prevent pollution by backflow of potable water - Pipe interrupter with permanent atmospheric vent DN 10 to DN 20 - Family D, type C
07/30163615 DC : 0 BS EN 1254-1 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 1: FITTINGS WITH ENDS FOR CAPILLARY SOLDERING OR CAPILLARY BRAZING TO COPPER TUBES
13/30268239 DC : 0 BS EN 1487 - BUILDING VALVES - HYDAULIC SAFETY GROUPS - TESTS AND REQUIREMENTS
BS EN 1254-6:2012 Copper and copper alloys. Plumbing fittings Fittings with push-fit ends
EN 1254-1:1998 Copper and copper alloys - Plumbing fittings - Part 1: Fittings with ends for capillary soldering or capillary brazing to copper tubes
EN 1254-6:2012 Copper and copper alloys - Plumbing fittings - Part 6: Fittings with push-fit ends
UNI EN 15092 : 2008 BUILDING VALVES - INLINE HOT WATER SUPPLY TEMPERING VALVES - TESTS AND REQUIREMENTS
EN 1254-5:1998 Copper and copper alloys - Plumbing fittings - Part 5: Fittings with short ends for capillary brazing to copper tubes
03/118682 DC : DRAFT JAN 2004 PREN 14868 - PROTECTION OF METALLIC MATERIALS AGAINST CORROSION - CORROSION LIKELIHOOD IN WATER RECIRCULATION SYSTEMS
BS EN 15096:2008 Devices to prevent pollution by backflow of potable water. Hose Union anti-vacuum valves. DN 15 to DN 25 inclusive Family H, type B and type D. General technical specification
04/30095590 DC : 0 EN 1254-7 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 7: FITTINGS WITH PRESS ENDS FOR METALLIC TUBES
UNE-EN 1254-6:2013 Copper and copper alloys - Plumbing fittings - Part 6: Fittings with push-fit ends
UNI EN 806-2 : 2008 SPECIFICATION FOR INSTALLATIONS INSIDE BUILDINGS CONVEYING WATER FOR HUMAN CONSUMPTION - PART 2: DESIGN
UNE-EN 15266:2008 Stainless steel pliable corrugated tubing kits in buildings for gas with an operating pressure up to 0,5 bar
DIN EN 806-2:2005-06 Specification for installations inside buildings conveying water for human consumption - Part 2: Design
BS EN 1254-1:1998 Copper and copper alloys. Plumbing fittings Fittings with ends for capillary soldering or capillary brazing to copper tubes
BS EN 1491:2000 Building valves. Expansion valves. Tests and requirements
BS EN 14455:2005 Devices to prevent pollution by backflow of potable water. Pressurised air inlet valves DN 15 to DN 50. Family L, type A and type B
EN 13434:2006 Devices to prevent pollution by backflow of potable water - Mechanical disconnector, hydraulic actuated - Family G, type B
EN 1213:1999 Building valves - Copper alloy stopvalves for potable water supply in buildings - Tests and requirements
DIN EN 13959:2005-01 Anti-pollution check valves - DN 6 to DN 250 inclusive - Family E, type A, B, C and D; German version EN 13959:2004
DIN EN 14454:2005-08 Devices to prevent pollution by backflow of potable water - Hose union backflow preventer DN 15 to DN 32 - Family H; type A
DIN EN 14452:2005-08 Devices to prevent pollution by backflow of potable water - Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20 - Family D, type B; German version EN 14452:2005
DIN EN 14506:2005-08 Devices to prevent pollution by backflow of potable water - Automatic diverter - Family H, type C

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