发布日期:2014-08-01 实施日期:2014-08-01
Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance
适用范围:IEC 60567:2011 deals with the techniques for sampling free gases from gas-collecting relays from power transformers. Three methods of sampling free gases are described. The techniques described take ac...
发布日期:2011-10-20 实施日期:2011-10-20
Standard Practice for Evaluating the Performance of Diffusive Samplers
适用范围:<p>Gas or vapor sampling is often accomplished by actively pumping air through a collection medium such as activated charcoal. Problems associated with a pump<span class=''unicode''>x2013;</span>inconv...
实施日期:2008-04-01
Standard Specification for Hand-Operated,Globe-Style Valves for Gas (Except Oxygen Gas) and Hydraulic Systems
适用范围:<p id="s00002">1.1 This specification covers the design, construction, testing, and operating requirements for hand-operated, quick-change cartridge trim, in-line body and angle-body, globe-style valve...
实施日期:1997-04-10
发布日期:2016-01-01 实施日期:2016-01-01
Stationary source emissions - Manual and automatic determination of velocity and volume flow rate in ducts - Part 1: Manual reference method (ISO 16911-1:2013); German version EN ISO 16911-1:2013
发布日期:2013-06-01 实施日期:2013-06-01
发布日期:2016-01-31 实施日期:2016-01-31
Natural gas - Performance evaluation for analytical systems (ISO 10723:2012); German version EN ISO 10723:2012
发布日期:2013-04-01 实施日期:2013-04-01
Standard Test Methods for Volumetric Measurement of Gaseous Fuel Samples
适用范围:<p>The knowledge of the volume of samples used in a test is necessary for meaningful results. Validity of the volume measurement equipment and procedures must be assured for accurate results.</p><p id=...
实施日期:1983-03-25
发布日期:2016-09-30 实施日期:2016-09-30
实施日期:2004-08-01
发布日期:2016-07-31 实施日期:2016-07-31
Plastics piping systems for the supply of gaseous fuels. Polyethylene (PE). Fitness for purpose of the system
发布日期:2014-01-31 实施日期:2014-01-31
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