DGSI. Durham Geo Slope Indicator

Tank-Full Shut-Off (Pneumatic)

Shuts off fluid supply to remediation tanks when full.


This pneumatic device is activated by a high liquid level in the recovery tank. Once activated, it shuts the air supply to the pneumatic pump, stopping fluid discharge to the tank.





PVC and 6061 aluminum

Chemical Compatibility, Exterior Components

Refined petroleum products

Compressed Gas Supply

0 to 100 psi, filtered to 40 microns
(see note 1)

Compressed Gas Consumption

0 scfm

Control Valve

2 way, normally open, 20 scfm @ 100 psi (see note 2)

Operating Temperature

33 to 120°F. (see note 3)

Compressed Gas Connections

Primary ¼” O.D. push-to-connect tubing fittings.  Secondary ¼” female NPT on bulk heads

Operation Status Indicator

Pressure indicator colorimetric, “Green” compressed gas is supplied to pumps, “Black” compressed gas is shut off to pump(s)

Reset After Shut Down

Manually operated

Note 1: The use of synthetic oil in an air compressor can cause chemical deterioration of components In the Control Valve that could result in failure of the unit.

Note 2: The TR- 75713 can support up to six FAP+ZW skimmer pumps.
Consult with a factory representative before using a larger number.

Note 3: If the unit must be operated in temperatures less than 33°F., then a desiccant air dryer must be used to reduce the dew point of the moisture in the compressed gas to a lower temperature than ambient. If using inert compressed gas, check with the supplier concerning the dew point temperature of the inert gas supplier.

Model Description


Tank-Full Shut-Off (pneumatic)


ISO 9001:2008     C2015-01879