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 2
... leak - test circle . ' " " pilot flow rate . A minimum flow rate that a meter is required to register with a prescribed accuracy . pressure drop . The loss in pressure between two points in a fluid flow system . prover oil . A light oil ...
... leak - test circle . ' " " pilot flow rate . A minimum flow rate that a meter is required to register with a prescribed accuracy . pressure drop . The loss in pressure between two points in a fluid flow system . prover oil . A light oil ...
Page 3
... leaks in the meter or connections to the meter . Prover tanks are usually constructed of brass and bells of copper or stainless steel . They are usually made in capacities of 2 , 5 , 10 , and 20 cubic feet . Special provers of 50 , 100 ...
... leaks in the meter or connections to the meter . Prover tanks are usually constructed of brass and bells of copper or stainless steel . They are usually made in capacities of 2 , 5 , 10 , and 20 cubic feet . Special provers of 50 , 100 ...
Page 4
... leaks . A leak test may be made after the temperatures of the room air and the liquid have equalized . Raise the prover bell and set the marker at zero on the scale or read out device . If there is any noticable change in indication in ...
... leaks . A leak test may be made after the temperatures of the room air and the liquid have equalized . Raise the prover bell and set the marker at zero on the scale or read out device . If there is any noticable change in indication in ...
Page 5
... leaks . When not in use , the circular slide- valve should be covered to keep out dust . 3.2 Prover Calibration There are two basic methods of calibrating a bell prover , " bottling " or " strapping " [ 3 , 4 ] . " Bottling " a prover ...
... leaks . When not in use , the circular slide- valve should be covered to keep out dust . 3.2 Prover Calibration There are two basic methods of calibrating a bell prover , " bottling " or " strapping " [ 3 , 4 ] . " Bottling " a prover ...
Page 10
... leak in the con- nections or in the meter . The leak should be located and eliminated . Soap suds or a commercial liquid leak detector may be used to locate leaks . If the leak is found in the meter , it should be rejected with no ...
... leak in the con- nections or in the meter . The leak should be located and eliminated . Soap suds or a commercial liquid leak detector may be used to locate leaks . If the leak is found in the meter , it should be rejected with no ...
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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