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
适用范围:This European standard specifies the characteristics of pipe interrupters with atmospheric vent and moving element of nominal size DN 10 to DN 20 that are suitable for use in drinking water systems at ...
实施日期:2005-08-01
实施日期:2009-05-01
Concrete Pipes and Fittings, unreinforced, steel fibre and reinforced for drains and sewers; Type 1 and Type 2; Requirements, test methods and evaluation of conformity
适用范围:This standard only applies in connection with DIN EN 1916 and contains requirements and test methods for pipes and fittings made of concrete and reinforced concrete, for which there are no specificatio...
实施日期:2004-08-01
实施日期:2008-09-01
Building valves - Pressure safety valves - Tests and requirements; German version EN 1489:2000
适用范围:The document specifies materials, surface coatings and finishes of the product, dimensions, hydraulic characteristics, tightness and mechanical properties, tests, marking and presentation for pressure ...
Valves for water supply; specifications for use and appropriate verification tests; part 3: check valves; German version prEN 1074-3:1993
适用范围:The document specifies the fitness for purpose and certification requirements for check valves used for water supply.
Building valves - Expansions valves - Tests and requirements; German version EN 1491:2000
适用范围:The document specifies materials, surface coatings and finishes of the product, dimensions, hydraulic characteristics, tightness and mechanical properties, tests, marking and presentation of expansion ...
Reinforced Concrete Pressures Pipes,Cylinder Type,Including Joints and Fittings
实施日期:1994-01-01
Plastics piping systems for hot and cold water installations - Chlorinated poly(vinyl chloride) (PVC-C) - Part 1 : general.
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