Bahnanwendungen. Aerodynamik. Aerodynamik im Tunnel Railway applications-Aerodynamics-Part 3:Aerodynamics in tunnels Applications ferroviaires. Aerodynamique. Aerodynamique en tunnel
适用范围:This European Standard describes physical phenomena of railway-specific aerodynamics and gives recommendations for the documentation of tests.
实施日期:2003-04-28
Railway applications - Aerodynamics - Part 3: Aerodynamics in tunnels
适用范围:This European Standard describes physical phenomena of railway-specific aerodynamics and gives recommendations for the documentation of tests.
Leckanzeigesysteme. Ueber-und Unterdrucksysteme Leak detection systems Part 2:Pressure and vacuum systems Systemes de detection de fuites. Systemes en pression et en depression
适用范围:This European Standard specifies the requirements for leak detection systems class I for use with double-skin systems, designed for water polluting fluids.
实施日期:2003-06-16
实施日期:2005-06-01
实施日期:2006-03-01
Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A
适用范围:This European standard specifies the following characteristics of the direct actuated mechanical disconnectors, Family G, Type A: dimensional, physico-chemical, design, hydraulic, mechanical, acoustic....
实施日期:2006-05-01
实施日期:2007-07-31
实施日期:2006-03-01
Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A.
Devices to prevent pollution by backflow of potable water - Mechanical disconnector, hydraulic actuated - Family G, type B
实施日期:2006-05-01
Non-destructive testing - Leak test - Guide to the selection of instrumentation for the measurement of gas leakage
实施日期:2006-10-31
Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B; Type A
适用范围:The purpose of this standard is to define - the field of application; - the dimensional, physico-chemical, design, hydraulic, mechanical and acoustic characteristics; - the working and the prescription...
实施日期:2009-04-01
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