Morrison Brothers - FMMASO Series - Overfill Prevention Valve

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For Used Oil Systems

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Select Model & Quantity:

Model #	Description	Price
FMMATO-91 AV	2 in. Without Audible Signal, High Level	$383.66
FMMASO-91EXS AV	2 in. With Audible Signal, Extended Shut-Off Height Body	$545.81
FMMASO-91 AV	2 in. Without Audible Signal	$383.66
FMMASO-91S AV	2 in. With Audible Signal	$427.82
FMMASO-91EX AV	2 in. Without Audible Signal, Extended Shut-Off Height Body	$494.26

Application:

The ASO series of valves is used to shut-off the air supply to an AOD (Air Operated Diaphragm) pump when the liquid level approaches full capacity.

The ATO valve is used to turn on the air supply to an AOD pump when the liquid level approaches the full capacity.

Features:

Installs directly into a 2" female threaded tank top opening
Accepts air lines
When the ASO valve closes, the air supply is diverted to an audible whistle on the 91S and 91EXS models
Operating temperature range is -10°F to 185°F
Air flow capacity is 20 CFM @ 100 PSI. Maximum air pressure is 100 PSI
Valve automatically resets as liquid is removed and the air pressure to the valve is turned of
FMMASO-91 and 91S shut-off height is 6-1/2"in. from the tank top
FMMASO-91EXM and 91EXS shut-off height is 17-3/8"in. from the tank top

Materials of Construction:

Certifications and Listings: