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
... and Laboratories at Gaithersburg , Maryland , unless otherwise noted ; mailing address Washington , DC . 20234 . 2 Located at Boulder , Colorado 80302 . Examination of Vapor - Measuring Devices for Liquefied Petroleum Gas.
... and Laboratories at Gaithersburg , Maryland , unless otherwise noted ; mailing address Washington , DC . 20234 . 2 Located at Boulder , Colorado 80302 . Examination of Vapor - Measuring Devices for Liquefied Petroleum Gas.
Page 4
... located and removed . The latter test is made at a prover pres- sure of 1.5 in of water . When the bell is raised to the highest position , allow it to drain for 3 minutes . Then open the prover valve and drop the bell at a rate of 7.5 ...
... located and removed . The latter test is made at a prover pres- sure of 1.5 in of water . When the bell is raised to the highest position , allow it to drain for 3 minutes . Then open the prover valve and drop the bell at a rate of 7.5 ...
Page 9
... located near radiators , steam pipes , or hot and cold air ducts . In addition , temperature changes greater than 5 ° F should not occur during a period of 24 hours , since it is essential that the prover and the meters to be tested be ...
... located near radiators , steam pipes , or hot and cold air ducts . In addition , temperature changes greater than 5 ° F should not occur during a period of 24 hours , since it is essential that the prover and the meters to be tested be ...
Page 10
... 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 further tests made on the device . The prover valve , hose , and ...
... 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 further tests made on the device . The prover valve , hose , and ...
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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