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)


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. 
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).

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.


Triangle Manufacturing, Inc.

Evaluator: United States Testing Company

3726 Park Place

Tel:  (213) 723-7181

Montrose, CA 91020

Date of Evaluation:  03/03/92

Tel: (818) 301-7777

Evaluator: Consolidated Testing Laboratories, Inc.
Tel: (559) 592-3555
Date of Evaluation: 11/05/14


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