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 shall be removed or manually isolated from the pipeline for duration of test, or a check valve in the pump must be manually closed if testing is to be conducted with a mechanical line leak detector in place.
Pipeline Capacity Maximum of 129 gallons.
Waiting Time None between delivery and testing. 
None between dispensing and testing.
Test Period 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. When testing multiple lines and leak rates do not exceed 0.005 gph, the following test times are utilized:

Number of Lines

Test Times

Number of Consecutive Readings

1

30 Minutes

Six (6)

2

30 Minutes

Three (3)

3

30 Minutes

Two (2)
Calibration System must be checked annually and, if necessary, calibrated in accordance with manufacturer's instructions.
Comments The manufacturer does not support test results if the technician does not hold a current Petro-Tite certification when the test is performed. Re-certification is required by the manufacturer every 2 years. Third party evaluation was not conducted utilizing a test manifold.

 

Purpora Engineering Inc.

Evaluator: Ken Wilcox Associates

658 North Progress Drive

Tel: (816) 443-2494

Saukville, WI 53080

Dates of Evaluation:  03/11/91, 05/06/01

Tel: (262) 536-4081

 
E-mail: info@purporaengineering.com  

URL: www.purporaengineering.com

  

 

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