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 1
... adjusted , the bottle , when lowered , will displace exactly 1 cubic foot of air upon coming to rest on the bottom of the tank . The marks on the bottle defining the cubic foot are the bottom of the lower neck and the gage mark which ...
... adjusted , the bottle , when lowered , will displace exactly 1 cubic foot of air upon coming to rest on the bottom of the tank . The marks on the bottle defining the cubic foot are the bottom of the lower neck and the gage mark which ...
Page 4
... adjusted . This is accomplished by adding or subtracting weight from the bell counterweight when the bell is in the lowest position and adding or subtracting weight from the counterweight of the cycloid when the bell is in the highest ...
... adjusted . This is accomplished by adding or subtracting weight from the bell counterweight when the bell is in the lowest position and adding or subtracting weight from the counterweight of the cycloid when the bell is in the highest ...
Page 5
... adjusted to balance the bell at atmospheric pressure . The first method produces the slight difficulty of setting the liquid level in the gage glass of the bottle while it is slightly below the level of the sur- face in the tank ; also ...
... adjusted to balance the bell at atmospheric pressure . The first method produces the slight difficulty of setting the liquid level in the gage glass of the bottle while it is slightly below the level of the sur- face in the tank ; also ...
Page 8
... adjusted to insure that the pressure within the bell is the same at any posi- tion as well as those seen in figures 6a and b . This may be checked by connecting a good draft gage or inclined manometer to indicate the internal pres- sure ...
... adjusted to insure that the pressure within the bell is the same at any posi- tion as well as those seen in figures 6a and b . This may be checked by connecting a good draft gage or inclined manometer to indicate the internal pres- sure ...
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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