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![4 inch 71SO Series Non-Vaportight OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial 4 inch 71SO Series Non-Vaportight OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial](https://shop.sourcena.com/lowres/detail/71SO-4010.jpg)
4 inch 71SO Series Non-Vaportight OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial
Item No. 71SO-4010
The OPW 71SO Overfill Prevention Valve is a 2-Point 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 71SO Series CARB EVR Certified Vaportight OPV Overfill Prevention Valve For Up To 12 Foot Diameter Tank With 10 Foot Burial 4 inch 71SO Series CARB EVR Certified Vaportight OPV Overfill Prevention Valve For Up To 12 Foot Diameter Tank With 10 Foot Burial](https://shop.sourcena.com/lowres/detail/71SO-420C.jpg)
4 inch 71SO Series CARB EVR Certified Vaportight OPV Overfill Prevention Valve For Up To 12 Foot Diameter Tank With 10 Foot Burial
Item No. 71SO-420C
The OPW 71SO Overfill Prevention Valve is a 2-Point 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 71SO Series CARB EVR Certified Vaportight E85-Compatible OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial 4 inch 71SO Series CARB EVR Certified Vaportight E85-Compatible OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial](https://shop.sourcena.com/lowres/detail/71SOM-412C.jpg)
4 inch 71SO Series CARB EVR Certified Vaportight E85-Compatible OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial
Item No. 71SOM-412C
The OPW 71SO Overfill Prevention Valve is a 2-Point 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.
![1-1/2 Inch Female Inlet X Female Outlet Single Poppet Emergency Shear Valve 1-1/2 Inch Female Inlet X Female Outlet Single Poppet Emergency Shear Valve](https://shop.sourcena.com/lowres/detail/A0060-003.jpg)
1-1/2 Inch Female Inlet X Female Outlet Single Poppet Emergency Shear Valve
Item No. A0060-003
Incorporates a replaceable shear section and a heat sensitive fusible link assembly Cast Iron Body Stainless Steel Spring Viton Seal
![Overfill Prevention Valve Dual Point Vapor-Tight 4 Inch X 13 Foot [Evr] Overfill Prevention Valve Dual Point Vapor-Tight 4 Inch X 13 Foot [Evr]](https://shop.sourcena.com/lowres/detail/A1100EVR-055.jpg)
Overfill Prevention Valve Dual Point Vapor-Tight 4 Inch X 13 Foot [Evr]
Item No. A1100EVR-055
Screw together style
![Overfill Prevention Valve Dual Point Vapor-Tight 4 Inch X 15 Foot [Evr] Overfill Prevention Valve Dual Point Vapor-Tight 4 Inch X 15 Foot [Evr]](https://shop.sourcena.com/lowres/detail/A1100EVR-056.jpg)
Overfill Prevention Valve Dual Point Vapor-Tight 4 Inch X 15 Foot [Evr]
Item No. A1100EVR-056
Screw together style
![42 Inch Titan Water-Tight Composite FRP Manway Cover With 12 Inch Composite Skirt And Frame With O-Ring Seal 42 Inch Titan Water-Tight Composite FRP Manway Cover With 12 Inch Composite Skirt And Frame With O-Ring Seal](https://shop.sourcena.com/lowres/detail/M1WT42-12.jpg)
42 Inch Titan Water-Tight Composite FRP Manway Cover With 12 Inch Composite Skirt And Frame With O-Ring Seal
Item No. M1WT42-12
Manway cover features an EN124-C250 (56 000 lbs.) load rating.
![1-1/2 Inch Female NPT 10 Series Single-Poppet Emergency Shut-Off Shear Valve 1-1/2 Inch Female NPT 10 Series Single-Poppet Emergency Shut-Off Shear Valve](https://shop.sourcena.com/lowres/detail/10BF-5725.jpg)
1-1/2 Inch Female NPT 10 Series Single-Poppet Emergency Shut-Off Shear Valve
Item No. 10BF-5725
Installed on fuel supply lines beneath dispenser at grade level
![38 Inch Round FLEX-ING Raintight Bolt-Down Fiberglass Composite Manhole With Spring-Loaded Handle And 10 Inch Tall Galvanized Steel Skirt And Ring 38 Inch Round FLEX-ING Raintight Bolt-Down Fiberglass Composite Manhole With Spring-Loaded Handle And 10 Inch Tall Galvanized Steel Skirt And Ring](https://shop.sourcena.com/lowres/detail/14U-RT3810.jpg)
38 Inch Round FLEX-ING Raintight Bolt-Down Fiberglass Composite Manhole With Spring-Loaded Handle And 10 Inch Tall Galvanized Steel Skirt And Ring
Item No. 14U-RT3810
FLEX-ING H20/HS20 rated multi-layer bonded fiberglass composite manhole provides access to underground service station equipment without the weight and difficulties of steel.
![42 Inch Round FLEX-ING Raintight Bolt-Down Fiberglass Composite Manhole With Spring-Loaded Handle And 10 Inch Tall Galvanized Steel Skirt And Ring 42 Inch Round FLEX-ING Raintight Bolt-Down Fiberglass Composite Manhole With Spring-Loaded Handle And 10 Inch Tall Galvanized Steel Skirt And Ring](https://shop.sourcena.com/lowres/detail/14U-RT4210.jpg)
42 Inch Round FLEX-ING Raintight Bolt-Down Fiberglass Composite Manhole With Spring-Loaded Handle And 10 Inch Tall Galvanized Steel Skirt And Ring
Item No. 14U-RT4210
FLEX-ING H20/HS20 rated multi-layer bonded fiberglass composite manhole provides access to underground service station equipment without the weight and difficulties of steel.
![4 inch 71SO Series CARB EVR Certified Vaportight OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial 4 inch 71SO Series CARB EVR Certified Vaportight OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial](https://shop.sourcena.com/lowres/detail/71SO-410C.jpg)
4 inch 71SO Series CARB EVR Certified Vaportight OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial
Item No. 71SO-410C
The OPW 71SO Overfill Prevention Valve is a 2-Point 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 71SO Series CARB EVR Certified Vaportight Testable OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial 4 inch 71SO Series CARB EVR Certified Vaportight Testable OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial](https://shop.sourcena.com/lowres/detail/71SO-410CT.jpg)
4 inch 71SO Series CARB EVR Certified Vaportight Testable OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial
Item No. 71SO-410CT
The OPW 71SO Overfill Prevention Valve is a 2-Point 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.