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Issue Date: November 22, 1995
Revision Date: April 27, 2005
Purpora Engineering,
Inc.
(originally listed as Heath Consultants, Inc.)
Petro Tite
Line Tester
LINE TIGHTNESS TEST METHOD
| Certification |
Leak rate of 0.1
gph with PD = 99.99% and PFA = 0.34%. |
| Leak
Threshold |
0.05 gph.
A pipeline system should not be declared tight if the test result
indicates a loss that equals or exceeds this threshold.
Vendor claims this equipment can detect leaks at .01 gph, and trains
operators to declare leaks at .01 gph. |
| Applicability |
Gasoline, diesel,
aviation fuel, fuel oil #4. |
| Specification |
System tests
fiberglass and steel pipelines.
Tests are conducted at 150% operating pressure.
Mechanical line leak detector must be removed from pipeline for duration
of test. |
| Pipeline
Capacity |
Maximum of 129
gallons. |
| Waiting
Time |
None between
delivery and testing.
None between dispensing and testing. |
| Test
Period |
Minimum of 1 hour pretest for 3 inch diameter fiberglass
piping in accordance with Petro Tite test procedures. Pretest is not
required for steel piping and not required for fiberglass piping with a
diameter less than 3 inches.
Minimum of 30
minute (two 15 minute readings) test when the detected leak does not exceed
0.005 gph, or minimum of 1 hour (four 15 minute readings) test when the
detected leak is more than 0.005 gph for the first 30 minutes.
Test data are acquired and recorded manually. |
| Calibration |
System must be
checked annually and, if necessary, calibrated in accordance with
manufacturer's instructions. |
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Purpora Engineering, LLC
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Evaluator:
Ken Wilcox Associates
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P.O. Box 80265
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Tel:
(816) 443-2494
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Saukville, WI 53080
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Dates of
Evaluations: 03/11/91,
05/06/01
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Tel: (800) 352-2011
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E-mail:
sap@purporaengineering.com |
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URL:
www.purporaengineering.com |
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