Issue Date: November 22, 1995
Revision Date: April 28, 2005

Ronan Engineering Co.

Ronan X-76 Automatic Line Leak Detector with Version X-76 DM-4 Microprocessor and JT-H2 Line Pressure Sensor



Leak rate of 3.0 gph at 10 psi* with PD = 100% and PFA = 0%. 
Leak rate of 0.1 gph at 1.5 times operating pressure* with PD = 100% and PFA = 0%.
*Since leak rate varies as a function of pressure, this leak rate and pressure were certified using an equivalent leak rate and pressure, in accordance with an acceptable protocol.

Leak Threshold 0.831 gph for leak rate of 3.0 gph. 
0.066 gph for leak rate of 0.1 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 pressurized fiberglass and steel pipelines. 
Tests are conducted at operating pressure.
System will not function with a mechanical line leak detector installed in the pipeline.
Pipeline Capacity Maximum of 45 gallons.
Waiting Time None between delivery and testing. 
None between dispensing and testing for leak rate of 3.0 gph. 
Minimum of 2 hours between dispensing and testing for leak rate of 0.1 gph.
Test Period Response time is 20 seconds for leak rate of 3.0 gph. 
Response time is 20 minutes for leak rate of 0.1 gph. 
Test data are acquired and recorded by a permanently installed microprocessor. 
Calculations are automatically performed by the microprocessor.
System Features Permanent installation on pipeline. 
Automatic testing of pipeline. 
Preset threshold. Single test to determine if pipeline is leaking. Pump shutdown, message display, and alarm activation if leak is declared.
Calibration System must be checked annually and, if necessary, calibrated in accordance with manufacturer's instructions.


Ronan Engineering Co.

Evaluator:  Midwest Research Institute

21200 Oxnard St.

Tel:  (816) 753-7600

Woodland Hills, CA  91367

Date of Evaluation:  10/04/91

Tel:  (800) 327-6626



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