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Vendor Equipment Name Leak Rate / Operating Principle / Max Tank Capacity
Beaudreau Electric, Inc. SystemOne 522T Monitor Not Determined/System uses an integral vacuum pump to continuously maintain a partial vacuum within the interstitial space of double-walled tanks and double-walled piping. System is designed to activate a visual and acoustic alarm, and optional turbine pump shutdown before stored product can escape to the environment. System is capable of detecting breaches in both the inner and outer walls of double-walled tanks and double-walled piping./Not applicable
Bell Avon, Inc. VIGILANT Leak Detection System 0.1 gph/ System alarms when changes in interstitial vacuum exceed a predetermined change in slope versus time curve./15,000 gallons
Core Engineered Solutions Safesite Vacuum Interstitial Monitoring System 0.1 gph / System uses vacuum generated by a vacuum pump or submersible pump to continuously maintain a partial vacuum of 7.5 psig, equivalent to 207.6” water column for a period of 60 minutes, and maintain vacuum for 30 seconds prior to testing. System is designed to activate a visual and acoustic alarm, and optional submersible pump shutdown before stored product can escape to the environment. System was evaluated for detecting breaches within the interstitial space effective gap of 3/64” or greater of a double-walled tank or double-walled piping. / 270 gallons or 5,690 feet of piping.
Franklin Fueling Systems Secondary Containment Monitoring (SCM) EBW AS-SCM, EVO 600 Series Consoles, and Incon TS-SIM Not Determined/System uses vacuum generated by the turbine pump to continuously maintain a partial vacuum within the interstitial space of double-walled tanks and double-walled piping.
System is designed to activate a visual and acoustic alarm, and optional turbine pump shutdown before stored product can escape to the environment.
System is capable of detecting breaches in both the inner and outer walls of double-walled tanks and double-walled piping./Volume of monitored interstitial space must not exceed 8 m3 (2114 gal) for tanks and 10 m3 (2642 gal) for piping.
HT Technologies, Inc. Vakumatik Models V 60, V 70 Ex 0.1 gph/ System alarms when liquid enters interstitial space and vacuum decreases (pressure increases) above 34 millibars./20,000 gallons
OPW Fuel Management Systems (originally listed as Advanced Fuel Filtration Systems, Inc.) Continuous Vacuum Monitoring System (CVMS) Not Determined/System uses vacuum generated by the turbine pump to continuously maintain a partial vacuum within the interstitial space of double-walled tanks and double-walled piping.
System is designed to activate a visual and acoustic alarm, and optional turbine pump shutdown before stored product can escape to the environment, and is capable of detecting breaches in both the inner and outer walls of double-walled tanks and double-walled piping./Not Applicable
Preferred Utilities Interstitial Vacuum Leak Monitoring System System uses vacuum generated by a vacuum pump to continuously maintain and monitor up to 4 zones. The console also has a “learn” function that is used during setup to determine the time to establish the vacuum on the interstice to a specific level. The time to establish the vacuum during the learn process is stored by the console and is used to determine if there is a liquid or air leak whenever the vacuum needs to be re-established at any time.
System also has a float valve that is designed to detect the presence of liquid between the interstice and the vacuum pump.
Volume of monitored interstitial space must not exceed 2,400 gallons to satisfy 30-day release detection requirement.
SGB (Sicherungsgeratebau GmbH) Vacuum Leak Detection System Models VL 30p, VL 350p, and VL 400p Not Determined/System uses an integral vacuum pump to continuously maintain a partial vacuum within the interstitial space of a double-walled tank or piping. System is designed to activate a visual and acoustic alarm before stored product can escape to the environment. System is capable of detecting breaches in both the inner and outer walls of double-walled tanks or double-walled piping./Not applicable.
Vacuum Leak Detection System Models VLX 30, VLX 350, and VLX 400 Not Determined/System uses an integral vacuum pump to continuously maintain a partial vacuum within the interstitial space of a double-walled tank.
System is designed to activate a visual and acoustic alarm before stored product can escape to the environment.
System is capable of detecting breaches in both the inner and outer walls of double-walled tanks./Not applicable.
Veeder-Root Secondary Containment Leak Detection (SCLD) TLS-450 Plus and TLS-350/ProMax/EMC Console with Vacuum Sensors 857280-100, 200, 30x, or Assembly 332175-001 Not Determined/System uses vacuum generated by the turbine pump to continuously maintain a partial vacuum within the interstitial space of double-walled tanks and double-walled piping.
System is designed to activate a visual and acoustic alarm, and optional turbine pump shutdown before stored product can escape to the environment.
System is capable of detecting breaches in both the inner and outer walls of double-walled tanks and double-walled piping./Not applicable