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| | | NOTE: The prover must be filled once and drained in order to wet the internal sides of the prover body. Wetting the internals of the prover helps ensure consistency in the amount of liquid that clings to the sides, from one test to the next. | | |
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| | | 2. Open the prover drain cock to drain the prover into its holding tank. Once the cessation of main flow breaks, as viewed through the sight flow indicator, wait 30 seconds and then close the drain valve. 3. The prover is now wet down and is ready for an official test. | | |
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| | | Conducting the Calibration with the 5 gallon/20 liter special J prover: 1. Fill the prover until the amount on the meter reads the nominal capacity of the prover. 2. Level the prover on its leveling ball fitting until the bubble in the circular level is in the center circle. 4. Compare the reading on the graduated scale to the meter reading. Document or record the difference in readings. 5. Open the prover drain valve. Once the cessation of the main flow breaks, wait 30 seconds and then close the drain valve. | | |
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| | | CAUTION: Ensure the tank gravity drain valve is closed when draining the prover | | |
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| | | into the tank, to avoid the possibility offuel spillage. | | |
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| | | Gravity draining of the 115 gallon holding tanks: 1. Ensure tank gravity drain valve is completely closed. 3. Route the hose to the below ground archive tank inlet piping. | | |
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| | | Seraphin® - 30 Indel Avenue - Rancocas, NJ 08073 09-267-0922 Fax: 1-609-261-2546 e-mail: sales@seraphinusa.com Pub E91-4044 | | |
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