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![4 inch 61SOP Series Single-Point Poppeted Coaxial CARB-Approved OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank With 5 Foot Burial 4 inch 61SOP Series Single-Point Poppeted Coaxial CARB-Approved OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank With 5 Foot Burial](https://shop.sourcena.com/lowres/detail/61SOP-4002.jpg)
4 inch 61SOP Series Single-Point Poppeted Coaxial CARB-Approved OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank With 5 Foot Burial
Item No. 61SOP-4002
The OPW 61SO Overfill Prevention Valve is a 2-Stage Shut-off Valve designed to prevent the overfill of Underground Storage Tanks by providing a positive shut-off of product delivery. When the liquid level rises to about 95 Percent of tank capacity, the valve automatically slows flow. If the delivery is not stopped and liquid rises to about 98 Percent of tank capacity, the valve closes completely and liquid cannot flow.
![4 inch 61SOP Series Single-Point Poppeted Coaxial CARB-Approved OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial 4 inch 61SOP Series Single-Point Poppeted Coaxial CARB-Approved OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial](https://shop.sourcena.com/lowres/detail/61SOP-4012.jpg)
4 inch 61SOP Series Single-Point Poppeted Coaxial CARB-Approved OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial
Item No. 61SOP-4012
The OPW 61SO Overfill Prevention Valve is a 2-Stage Shut-off Valve designed to prevent the overfill of Underground Storage Tanks by providing a positive shut-off of product delivery. When the liquid level rises to about 95 Percent of tank capacity, the valve automatically slows flow. If the delivery is not stopped and liquid rises to about 98 Percent of tank capacity, the valve closes completely and liquid cannot flow.
![2 Inch Angle Check Valve - Single Poppet Spring Loaded 2 Inch Angle Check Valve - Single Poppet Spring Loaded](https://shop.sourcena.com/lowres/nophoto.gif)
2 Inch Angle Check Valve - Single Poppet Spring Loaded
Item No. 137-0300AV
Fitted with a light spring & soft seat made for standard check valve applications
![Ast Overfill Valve With 2 Inch Flapper Float Arm Ast Overfill Valve With 2 Inch Flapper Float Arm](https://shop.sourcena.com/lowres/detail/61FSTOP-2000.jpg)
Ast Overfill Valve With 2 Inch Flapper Float Arm
Item No. 61FSTOP-2000
The Stopper is designed to prevent overfilling of above ground storage tank (AST) during pressurized-fill (pump on fill)
![2 Inch Carb EVR Approved AST Overfill Prevention Valve With 2 Inch Dry Disconnect Adapter x 4 Inch Female NPT 2 Inch Carb EVR Approved AST Overfill Prevention Valve With 2 Inch Dry Disconnect Adapter x 4 Inch Female NPT](https://shop.sourcena.com/lowres/nophoto.gif)
2 Inch Carb EVR Approved AST Overfill Prevention Valve With 2 Inch Dry Disconnect Adapter x 4 Inch Female NPT
Item No. 9095AA5200AVEVR
Installed at the fill port of an aboveground storage tank
![2 Inch Ast Overfill Prevention Valve With Part F Adapter 2 Inch Shut-Off Height 2 Inch Ast Overfill Prevention Valve With Part F Adapter 2 Inch Shut-Off Height](https://shop.sourcena.com/lowres/detail/9095DS-0200AV.jpg)
2 Inch Ast Overfill Prevention Valve With Part F Adapter 2 Inch Shut-Off Height
Item No. 9095DS-0200AV
Prevents overfilling storage tanks by providing a positive shut-off during a pressurized fill. installs in a 2 inch Female threaded opening at the fill port of a storage tank