Examination of Vapor-measuring Devices for Liquefied Petroleum Gas: A Manual for Weights and Measures Officials, Issue 117U.S. Department of Commerce, National Bureau of Standards, 1975 - 18 pages |
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Page
... pressure gage ... 11 FIGURE 8. Rate cap holder , orifice plate , and assembly 11 FIGURE 9. Meter proving circle 13 FIGURE 10. A suggested LPG Vapor Meter Test Report Form FIGURE 11. Test data section of a sample report form ( customary ) ...
... pressure gage ... 11 FIGURE 8. Rate cap holder , orifice plate , and assembly 11 FIGURE 9. Meter proving circle 13 FIGURE 10. A suggested LPG Vapor Meter Test Report Form FIGURE 11. Test data section of a sample report form ( customary ) ...
Page 1
... pressure . Total pressure measured with respect to zero pressure [ i.e. psia or kPa ( absolute ) ] . atmospheric pressure ( mean ) . The atmospheric pressure agreed to exist at the meter at various ranges of elevation , irrespective of ...
... pressure . Total pressure measured with respect to zero pressure [ i.e. psia or kPa ( absolute ) ] . atmospheric pressure ( mean ) . The atmospheric pressure agreed to exist at the meter at various ranges of elevation , irrespective of ...
Page 2
... pressure . Pressure measured relative to atmos- pheric taken as zero ( i.e. psi of kPa ) . gage pressure , meter . The difference between the pressure at the meter and the atmospheric pressure . liquefied petroleum gas . A liquefied ...
... pressure . Pressure measured relative to atmos- pheric taken as zero ( i.e. psi of kPa ) . gage pressure , meter . The difference between the pressure at the meter and the atmospheric pressure . liquefied petroleum gas . A liquefied ...
Page 3
... pressure would de- crease , due to the increase of the volume of the submerged portion of the bell , if it were not for the shape of the cycloidal lever arm . This is designed so that as the prover bell descends into the liquid , the ...
... pressure would de- crease , due to the increase of the volume of the submerged portion of the bell , if it were not for the shape of the cycloidal lever arm . This is designed so that as the prover bell descends into the liquid , the ...
Page 4
... PRESSURE PROVING BELL CORRECT LEVEL ( BELL DOWN ) FIGURE 3. Proper sealant level of prover . The prover should be checked daily for leaks . A leak test may be made after the temperatures of the room air and the liquid have equalized ...
... PRESSURE PROVING BELL CORRECT LEVEL ( BELL DOWN ) FIGURE 3. Proper sealant level of prover . The prover should be checked daily for leaks . A leak test may be made after the temperatures of the room air and the liquid have equalized ...
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Common terms and phrases
adapter fittings Altitude corrections factors atmospheric pressure automatic data processing Bureau of Standards butane calibration capacity rate commercial Corrected Prover Volume Corrected to 60 correction factors metric cubic feet cubic foot bottle cubic foot standard cubic meter customary units cycloid Devices for Liquefied diameter differential pressure gage Error in Delivery Examination of Vapor-Measuring Exterior view FIGURE Indication Meter Indication leak liquefied petroleum gas LPG Vapor Meter measures officials Measuring Devices metal Meter Indication Meter Meter Proving Circle meter under test metric units National Bureau Office orifice plate portable cubic foot position pressure drop prover bell prover oil prover outlet valve prover pressure prover room prover scale prover tank prover valve proving room psia Rate cap holder sample report form sealing liquid sealing medium Specific Gravity strapping temperature compensated meter Test data section test hand Test Report Form thermometers U.S. DEPARTMENT U.S. Government Printing Vapor-Measuring Devices weights and measures