COMBINATION VENT/OVERFILL ALARM
Emergency vents open to help relieve an over pressure situation in an emergency. The vent is normally closed and recloses once the pressure returns to normal. Additional venting must be provided for normal venting requirement. With Viton O ring for tighter seal.
LOCK TYPE FILLCAPS
Female threads. A lock type water tight fillcap with body. Cover has gasket for tight seal. 2 drilled holes, one for lock and one for wire seal.
Fully mechanical. No wires or batteries needed. High intensity alarm which can be set to activate at 90% full. 2” full port 8 oz. Pressure/vacuum vent. For use on new and existing aboveground storage tanks. Quick and simple to install or retrofit. Stainless steel float. Compatible with gasoline, diesel, ethanol and methanol. Use with 12 oz. Or heavier emergency vents. Will not work with vapor recovery systems. 6 oz. Also available.
Splashing liquid out of tank
MORRISON PRESSURE-VACUUM VENT
Helps minimize evaporation loss. Operating range 2 oz to 16 oz. Pressure (8 oz standard) 1oz vacuum. #548 includes a gaging port
For tanks 1,000 gallon & smaller
Screened with #40 brass wire mesh cloth.
Meets requirement by NFPA 30 for venting combustible liquids in an upward manner. (includes 2” x 1½” bushing).
OVERFILL PREVENTION VALVES
Morrison 9095A Overfill Prevention Valve listed here has a 4” female connection x 2” male quick coupler. For other configurations, please inquire.
Morrision 9095S Overfill Prevention Valve is designed for use on low profile tanks. Adjustable to shut off at required level. 2” FIPT X 2” male quick coupler.
Prevent II has heavy locking arms.