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
... 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 ) ...... FIGURE 12. Test data ...
... 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 ) ...... FIGURE 12. Test data ...
Page 11
... RATE CAP VAPOR METER which distorts the inside surface of the adapter fitting or projects into the flow passage ... rate of the meter under test . The Specific Gravity of commercial propane is given as 1.53 and that of commercial butane ...
... RATE CAP VAPOR METER which distorts the inside surface of the adapter fitting or projects into the flow passage ... rate of the meter under test . The Specific Gravity of commercial propane is given as 1.53 and that of commercial butane ...
Page 13
... rate cap at meter outlet . Position meter proving hand on upswing by opening prover outlet valve . When meter proving hand reaches predetermined point , stop it by closing Step 1. Verify that the capacity flow rate cap is on the meter ...
... rate cap at meter outlet . Position meter proving hand on upswing by opening prover outlet valve . When meter proving hand reaches predetermined point , stop it by closing Step 1. Verify that the capacity flow rate cap is on the meter ...
Page 14
... rate cap with check rate cap [ 1 ] . Step 9. Repeat steps 2 through 6 . Step 10. Replace check rate cap with low flow test rate cap . Step 11. Since the low flow test is time consuming ( 1 hour ) , a group of 4 to 10 meters may be mani ...
... rate cap with check rate cap [ 1 ] . Step 9. Repeat steps 2 through 6 . Step 10. Replace check rate cap with low flow test rate cap . Step 11. Since the low flow test is time consuming ( 1 hour ) , a group of 4 to 10 meters may be mani ...
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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