Interstitial Leak Gauge Description - Type K
Interstitial Leak Gauge Product PDF
Leak Monitor Spec Sheet
The Leak Type K Gauge is a reliable, vertical type leak monitor used for detecting leaks in the annular/interstitial space of a double wall above ground containment tank (AST's). Its simple mechanical design promotes durability, minimal upkeep, quick installation, and easy/inexpensive repairs.
This Interstitial Leak Gauge is custom made in house to fit your tank. We can accomodate any size tank from 6 inches to 170 inches in depth.
If you have a monitoring pipe or have a threaded fitting at the top of the interstitial space on a double wall containment tank, this monitor will thread right in. Any liquid seeping into the containment space will cause the float to rise which will provide a visual indication on top of the tank that there is liquid in the interstitial containment area.
Leak Gauge Part Number Help Page.
Florida FDEP Leak Gauge Approval, EQ Number, Maintenance, Installation, and Ordering- PDF File
Michigan FDEP Leak Gauge Approval - PDF File
Third Party Testing Approval Page - PDF File
Example illustration of application:

Liquid Level Leak Gauge Materials Options
- Interstial Leak Gauge Materials - Plastic Calibration, HDPE Lock Nut, Duro Nitrile Gasket, Aluminum Bushing, Aluminum Rods, Polypropylene Float. (on larger gauges, this float is poly coated cork)
- Part Number - K-(size opening)-(tank depth)**
- Add GLC to leak gauge part number - Internal piece of calibration becomes glass.
- Add ALN to leak gauge part number - Red lock nut becomes aluminum.
** All measurements in inches
Leak Gauge Part Number Help Page.
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