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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
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Certification
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Leak
rate of 0.1 gph with PD = 99.99% and PFA = 0.34%.
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Leak
Threshold
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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.
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Applicability
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Gasoline,
diesel, aviation fuel, fuel oil #4.
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Specification
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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.
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Pipeline
Capacity
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Maximum
of 129 gallons.
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Waiting
Time
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None
between delivery and testing.
None between dispensing and testing.
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Test
Period
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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..
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Calibration
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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 170591
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Tel: (816) 443-2494
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Milwaukee,
WI 53207
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Dates
of Evaluation: 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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