90 Degree No Pressure Relief
Aboveground Storage Tank Equipment
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Valves, Drop Tubes & Vents
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3/4 Inch Tee Double Outlet Vent Threaded
Item No. 155-0100AV
Aluminum t-style vent used primarily on small fuel oil storage tanks
1 Inch Double Outlet Vent Female NPT
Item No. 155-0200AV
Aluminum t-style vent used primarily on small fuel oil storage tanks
1-1/2 Inch Threaded Double Outlet Vent Female NPT
Item No. 155-0400AV
Aluminum t-style vent used primarily on small fuel oil storage tanks
2 Inch Tee Double Outlet Vent Threaded Female NPT
Item No. 155-0500AV
Aluminum t-style vent used primarily on small fuel oil storage tanks
3 Inch Threaded Double Outlet Vent Female NPT
Item No. 155-0600AV
Aluminum t-style vent used primarily on small fuel oil storage tanks
1 Inch Zinc-Plated Cast Iron 90 Degree Anti-Siphon Valve With Field-Selectable 0-20 Foot Range Hydrostatic Head Springs
Item No. 403-10
The Model 403 Anti-Siphon Valve is used to reduce fire hazards and prevent fuel spillage in aboveground storage tanks with top discharge. Should the line rupture, the anti-siphon valve stops the effect of fuel being siphoned out of the tank, preventing spillage in the surrounding area. Valve includes (4) field-selectable color-coded springs that cover an operating range of 0-20 foot hydrostatic head. Save inventory space and avoid confusion with different head settings when ordering.