Issue Date:
March 3, 2022
Think Tank Petroleum Service,
LLC
Think Tank Product
Line Volumetric Tightness Tester (for Rigid and Flexible Pipelines)
LINE TIGHTNESS TEST
METHOD
Certification |
Leak
rate of 0.1 gph with PD = 99.9802% and PFA = 0.0198% |
Leak Threshold |
0.08
gph.
A pipeline system should not be declared tight if the test result indicates
a loss that equals or exceeds this threshold. |
Applicability |
Gasoline, diesel, aviation fuel, fuel oil #4, fuel oil #6, solvents, waste
oil, biodiesel blends and all ethanol blended gasolines. |
Specification |
Systems
tests rigid and flexible piping systems. Tests are conducted at 150%
maximum operation pressure for fuel types and product line configurations.
The safe maximum operating pressure for this method is 325 psi. |
Pipeline Capacity |
For
rigid piping systems a maximum of 165.08 gallons with a bulk modulus of
30,843 psi for combination piping systems.
For Flexible piping systems a maximum of 109.84 gallons with a bulk
modulus of 13,858 psi for combination piping systems. |
Waiting Time |
None
between delivery and testing for rigid or flexible piping systems.
None between dispensing and testing for all piping systems. |
Test Period |
Under
ideal conditions, test times can be as little as 30 minutes on a tight line
depending on temperature conditions at the site. For a line where a leak is
present, the minimum test time is 45 minutes under ideal conditions. Data is
collected every 15 minutes. Three consecutive consistent readings are
required for a valid test. Test data is acquired and recorded manually.
Manual calculations are performed by the operator on site. |
Comments |
Requires
annual tester certification for operation of this
equipment by the manufacturer. |
Think Tank Petroleum Service,
LLC
|
Evaluator:
Ken Wilcox Associates
|
P.O. Box 1729
|
Tel:
(816) 443-2494
|
Travelers Rest, SC 29690
|
Dates of Evaluation: 03/06/2021
|
Tel: 864-370-0637
|
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Appearance on
this list is not to be construed as an endorsement by any regulatory agency nor
is it any guarantee of the performance of the method or equipment.
Equipment should be installed and operated in accordance with all applicable
laws and regulations. For full details, please refer to our expanded "DISCLAIMER"
page.
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