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Issue Date: November 22, 1995
Revision Date: January 12, 2015
Triangle
Manufacturing, Inc.
TEI Model
LT-3, Version 1.0
(for Rigid and Flexible Pipelines)
LINE TIGHTNESS TEST METHOD
| Certification |
Leak rate of 0.1
gph with PD = 100% and PFA = 0%. |
| 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. |
| Applicability |
Gasoline, diesel,
aviation fuel, fuel oil #4.
Other liquids may be tested after consultation with the manufacturer. |
| Specification |
System tests rigid and flexible pipelines.
Tests are conducted at 150% operating pressure. |
| Pipeline
Capacity |
Maximum of 110.8
gallons. |
| Waiting
Time |
None between
delivery and testing.
Minimum of 15 minutes between dispensing and testingof rigid pipelines (steel, fiberglass).
Minimum of 45 minutes between dispensing and testing of flexible pipelines (15 minute line stretch period at either 150% of pump operating pressure plus 10% or at a minimum 60 psi, whichever is greater; and a stabilization period of 30 minutes at either 150% of pump operating pressure or at a minimum 50 psi, whichever is greater).
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| Test
Period |
Minimum of 15
minutes.
Test data are acquired and recorded manually.
Manual calculations are performed by the operator on site. |
| Temperature |
Product change
per hour must be less than 4 degrees F. |
| Calibration |
Sensors must be
checked annually and calibrated semi-annually in accordance with
manufacturer's instructions. |
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Triangle
Manufacturing, Inc.
|
Evaluator: United
States Testing Company
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3726 Park Place
|
Tel:
(213) 723-7181
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|
Montrose,
CA
91020
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Date of
Evaluation:
03/03/92
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Tel: (818) 301-7777
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Evaluator: Consolidated Testing Laboratories, Inc.
Tel: (559) 592-3555
Date of Evaluation: 11/05/14
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