Morrison Bros. Series FMMASO & FMMATO Overfill Prevention Valves

Vendor: Morrison Bros. Co.

Valve Type(s):
Overfill Prevention Valves

Valve Description:

The ASO series of valves is used to shut off the air supply to an AOD 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 ¼" 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
FMMASO-91 and 91S shut-off height is 7" from the tank top
FMMASO-91EX and 91EXS shut-off height is 17-3/8" from the tank top
Air flow capacity is 20 CFM @ 100 PSI. Maximum air pressure is 150 PSI
The valve will automatically reset as liquid is removed and the air pressure to the valve is turned off

Construction Details

Valve body and collar... Anodized aluminum
Float... Polypropylene
Float rod and valve spool... Brass
O-ring seals... Viton®
Hardware... Stainless and plated steel

Certifications & Listings

ULC listed
Florida DEP EQ 576

Patent 5007450

Valve with optional alarm for use on used oil evacuation systems which use an air operated pump

Valve Category:

Overfill Prevention Valves

Valve Subcategory

for Used Oil Systems

Figure	Suffix	Size	Description	Weight (lbs)	Request Quote
FMMASO-	91EX AV	2"	Air Overflow Warning Valve w/o Signal w/Ext. Body	5	Request Quote
FMMASO-	91EXS AV	2"	Air Overflow Warning Valve w/Signal w/Ext. Body	5	Request Quote
FMMASO-	91 AV	2"	Air Overflow Warning Valve w/o Signal	5	Request Quote
FMMASO-	91S AV	2"	Air Overflow Warning Valve w/Signal	5	Request Quote
FMMASOB-	91S AV	2"	Air Overflow Warning Valve BSP w/Signal	5	Request Quote
FMMATO-	91 AV	2"	Air Overflow Warning Valve w/High Level w/o Signal	5	Request Quote