Modular Overfill Prevention Systems

Overfill Prevention Valves/Assemblies - A1100EVR Guardian Modular Overfill Prevention System

The highly customizable Modular Overfill Prevention Valve easily accommodates upgrades and mitigates installation errors. Additionally, the modular construction of the assembly alleviates steep shipping costs for both new OPVs and replacement parts.

 

All assemblies are vapor tight and meet EPA 40 CFR Part 63 requirements. No epoxy needed. All standard A1100 variants are acceptable for use with up to E85 ethanol blend gasoline and B100 biodiesel blends. Emco "E" variant OPV's are recommended when working with high percentage ethanol (E85) or biodiesel (B100) fuels. Every OPV is available with anodized top tubes (champagne color for easy identification) to prevent corrosion build-up between the drop tube and the riser pipe.

Emco OPV Faceplate Tape Measure Slot

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Emco Modular OPV Open Box

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A1100 Modular


Model No. Nominal Tank Dia. Max. Burial Depth Upper Tube Length (A) Lower Tube Length (B) Max. Overall Length (C) Anodized Top Tube E85 Testable Lbs.
1 A1100EVR-055M 8' 5' 60" 84" 161" 24
2 A1100EVR-055CFM 8' 5' 60" 84" 161" ✔ 24
4 A1100EVR-055TCFM 8' 5' 60" 84" 161" ✔ ✔ 24
5 A1100EVR-056M 10' 8' 96" 96" 209" 28
6 A1100EVR-056CFM 10' 8' 96" 96" 209" ✔ 28
7 A1100EVR-056TM 10' 8' 96" 96" 209" ✔ 28
8 A1100EVR-057M 12' 8' 96" 120" 233" 30
9 A1100EVR-057TCFM 12' 8' 96" 120" 233" ✔ ✔ 30
10 A1100EVR-058M 12' 10' 120" 120" 257" 32
11 A1100EVR-058EM 12' 10' 120" 120" 257" ✔ ✔ 32
12 A1100EVR-058TEM 12' 10' 120" 120" 257" ✔ ✔ ✔ 32
Model No.Nominal Tank Dia.Max. Burial DepthUpper Tube Length (A)Lower Tube Length (B)Max. Overall Length (C)Anodized Top TubeE85TestableLbs.

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.