BS_8619-2020.pdf

mking excelence a habitInspiring trustfor a moreresilient world需要更多标准请联系wechat:wpwyq310BS8619:2020BRITISH STANDARD13.1 PRV013.2 Propane(or alternative test fluid)fill level14 Performance criteria14.1 General14.2 Substrate temperature000015 Factors affecting the validity of the test15.1 Interruption of the test15.2 Failure of TCs and DFTs2715.3 Failure of pressure transducers15.4 Test-related tube and pipe15.5 Variation in environmental conditions215.6DFT results22Annex A(informative)Directional flame thermometers23Figure A.1-Example DFT23Annex B(informative)Example P&I diagram for test facility24Figure B.1-P&I diagram24Annex C(informative)R-C balance25Annex D(normative)Method of affixing TCs29Figure D.1-Method of affixing TCs29Figure D.2-Optional TC cover plates29Annex E(informative)Additional performance criteria30Annex F(informative)Recommended classification procedures31Annex G(informative)Additional classification procedures:classification based on durationbefore failure32Figure G.1-Measured pressure versus time33Figure G.2-Measured peak wall temperature versus pressure33Figure G.3-Calculated burst pressure versus temperature34Figure G.4-Calculated burst pressure and measured vessel pressure versus measured peak walltemperature35Figure G.5-Pressure and burst pressure versus time,showing data for burst conditions with atime scale36Bibliography37Summary of pagesThis document comprises a front cover,and inside front cover,pages i to iv,pages 1 to 38,an inside back cover anda back cover.II THE BRITISH STANDARDS INSTITUTION 2020-ALL RIGHTS RESERVED