Riser Pipe Extension
Overfill Valves

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3/4 Inch Tee Double Outlet Vent Threaded

3/4 Inch Tee Double Outlet Vent Threaded

Aluminum t-style vent used primarily on small fuel oil storage tanks

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1 Inch Double Outlet Vent Female NPT

1 Inch Double Outlet Vent Female NPT

Aluminum t-style vent used primarily on small fuel oil storage tanks

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1-1/2 Inch Threaded Double Outlet Vent Female NPT

1-1/2 Inch Threaded Double Outlet Vent Female NPT

Aluminum t-style vent used primarily on small fuel oil storage tanks

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2 Inch Tee Double Outlet Vent Threaded Female NPT

2 Inch Tee Double Outlet Vent Threaded Female NPT

Aluminum t-style vent used primarily on small fuel oil storage tanks

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3 Inch Threaded Double Outlet Vent Female NPT

3 Inch Threaded Double Outlet Vent Female NPT

Aluminum t-style vent used primarily on small fuel oil storage tanks

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1-1/2 Inch Open Vent Upward Aluminum

1-1/2 Inch Open Vent Upward Aluminum

Installed on the top of vent pipes from underground or aboveground fuel storage tanks always open to the atmosphere to allow any pressure or vacuum in the tank to vent

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2 Inch Updraft Vent

2 Inch Updraft Vent

Open vent design used on underground and above ground tanks

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4 Inch Updraft Vent

4 Inch Updraft Vent

Open vent design used on under ground and above ground tanks

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2 Inch Upflow Vent

2 Inch Upflow Vent

Cast metal construction

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2 Inch Slip-On Adapter For Series 523 Vents

2 Inch Slip-On Adapter For Series 523 Vents

Converts a 523V and 623V vent to a 2 inch slip on vent

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3 Inch Slip-On Adapter For Series 523 Vents

3 Inch Slip-On Adapter For Series 523 Vents

Converts a 523V and 623V ent to a 3 inch slip on vent

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Ast Overfill Valve With 2 Inch Flapper Float Arm

Ast Overfill Valve With 2 Inch Flapper Float Arm

The Stopper is designed to prevent overfilling of above ground storage tank (AST) during pressurized-fill (pump on fill)

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4 inch 61SOC Series Single-Point Coaxial Non-Vaportight OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank With 5 Foot Burial

4 inch 61SOC Series Single-Point Coaxial Non-Vaportight OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank With 5 Foot Burial

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.

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4 inch 61SOC Series Single-Point Coaxial Non-Vaportight OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial

4 inch 61SOC Series Single-Point Coaxial Non-Vaportight OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial

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.

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61SO/71SO Series Overfill Prevention Valve Replacement Float Kit

61SO/71SO Series Overfill Prevention Valve Replacement Float Kit

Nitrile rubber, closed cell foam construction.

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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

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.

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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

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.

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4 inch 61SOR Series Dual-Point Non-Vaportight Remote Fill OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank

4 inch 61SOR Series Dual-Point Non-Vaportight Remote Fill OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank

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.

Quick Info
4 inch 61SOR Series Dual-Point Remote Fill OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank

4 inch 61SOR Series Dual-Point Remote Fill OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank

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.

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