Overfill Prevention Valves/Assemblies - A1100 Guardian Overfill Prevention Valve
The Emco Wheaton A1100 is a two-stage overfill prevention valve for use in both dual point and coaxial drop tubes, gravity feed systems. Easily installs in a new or existing drop tube assembly for economical compliance with EPA regulations. Internal float design to eliminate any chance of the floats getting caught on tank walls or the riser pipe as well as to prevent float damage during installation. Stick diverter and automatic spring-loaded poppet retract from the flow path when the valve is not in operation, allowing for stick gauging at any tank level. Compatible with all standard fuels. Special variants are available for most bulk chemical applications.
Body: Aluminum
Floats: HDPE
Seals: Viton®
Viton® is a registered trademark of The Chemours Company
Specifications:
Weight: 5.2 lbs.
Diameter: 3.76”
Length: 18.0”
CARB Approval 99-8
UL 2583 Listed (MH21164)
Florida DEP EQ-414
| Model No. Description | Description | Nominal Tank Dia. | Max. Burial Depth | Lbs. |
|---|---|---|---|---|
| A1100-010 | Valve Only | N/A | N/A | 5.2 |
| A1100-010E | Valve Only E85 | N/A | N/A | 5.7 |
| A1100-010T | Valve Only, screw together, testable | N/A | N/A | |
| A1100-011 | Valve Only Remote Fill Export | N/A | N/A | 5 |
| A1100EVR-010S | Valve Only, screw together | N/A | N/A |
The A1100 Overfill Prevention Valve is not recommended for tanks under 6.5’ in diameter.
Maximum burial depth assumes 95% shut-off and 6” clearance between top of drop tube and inside bottom of containment manhole lid.