ASME_PTC39-2005.pdf

ASME PTC 39-2005(Revision and Redesignation of ASME PTC 39.1-1980)SteamTrapsPerformance Test CodesAN AMERICAN NATIONAL STANDARDThe American Society ofMechanical EngineersCONTENTSNotice。Foreword,。,。,。,viCommittee Roster。,.。.。,。,.。,。,。,。,。,。viiCorrespondence With the PTC 39 CommitteeixIntroductiongg年g。gg年年。gg年g。eg年g。g年年。g8年g。g年年。gg年gggg年年ggg年gggg年年ggg年年gg+Section 1 object and Scope.21-1 Scope21-2Object11-3Uncertainty Analysis.1Section 2 Definitions and Descriptions of Terms12-1General.,。22-2Steam Trap.22-3Capacity of a Steam Trap.2-4Pressure4.9.4。44。44.94。444.4。44。44.4。0+49.444412-5Inlet Subcooling。32-6Subcooled Condensate2Section 3 Guiding Principles.23-1 Items on Which Agreement Shall Be Reached.23-2Qualifications of Person Responsible for the Test23-3Duties of Person Responsible for the Test.23-4Procedures and Test Apparatus,.,.,.,23-5Tsts23-6Calibration of Instruments23-723-8Adjustments During Test.3-9Records and Test Results23-l0 Calculations.。Section 4 Instruments and Methods of Measurement.41General,。42Calibration of Instruments and Apparatus.,.。.34-3Temperature344Pressure45Flow Measurements,.,。,34-6Time Intervals,44-7Steam Loss Tests.。.,.,.,.,。,。4-8Condensate Capacity Tests.74-9Air and Noncondensible Gas Removal Tests.12Section 5 Computation of Results165-1Correction of Measured Variables.165-2Use of Formula Symbols65-3Steam Loss Calculations16Section 6 Report ofTest.176-1General Information,16-2Detailed Information.7