1/2 Inch
1-1/2 Inch Male
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![1/2 Inch NPT Ductile Iron 50 PSI Expansion Relief Valve With Stainless Cap 1/2 Inch NPT Ductile Iron 50 PSI Expansion Relief Valve With Stainless Cap](https://shop.sourcena.com/lowres/detail/076DI-0200AV.jpg)
1/2 Inch NPT Ductile Iron 50 PSI Expansion Relief Valve With Stainless Cap
Item No. 076DI-0200AV
Allows excess pressure caused by thermal expansion of the liquid to return to the AST tank.
![1-1/2 Inch NPT Male 10 Series Single-Poppet Emergency Shut-Off Shear Valve 1-1/2 Inch NPT Male 10 Series Single-Poppet Emergency Shut-Off Shear Valve](https://shop.sourcena.com/lowres/detail/10BM-5825.jpg)
1-1/2 Inch NPT Male 10 Series Single-Poppet Emergency Shut-Off Shear Valve
Item No. 10BM-5825
Installed on fuel supply lines beneath dispenser at grade level
![15 Gallon AST Remote Fill Spill Containment With Adjustable Legs Base Drain Valve Single 4 Inch Opening With (1) 3 Inch Booted Entry White Powder Coat 15 Gallon AST Remote Fill Spill Containment With Adjustable Legs Base Drain Valve Single 4 Inch Opening With (1) 3 Inch Booted Entry White Powder Coat](https://shop.sourcena.com/lowres/nophoto.gif)
15 Gallon AST Remote Fill Spill Containment With Adjustable Legs Base Drain Valve Single 4 Inch Opening With (1) 3 Inch Booted Entry White Powder Coat
Item No. 6211R-151B3LD
Easy install a 4 inch flexible boot allows a quick connect to the remote fill and vapor lines
![20 Gallon 3 Inch AST Remote Fill Spill Containment White Steel Construction With Adjustable Legs Base Drain Valve And (1) 3 Inch Booted Entry Holes 20 Gallon 3 Inch AST Remote Fill Spill Containment White Steel Construction With Adjustable Legs Base Drain Valve And (1) 3 Inch Booted Entry Holes](https://shop.sourcena.com/lowres/nophoto.gif)
20 Gallon 3 Inch AST Remote Fill Spill Containment White Steel Construction With Adjustable Legs Base Drain Valve And (1) 3 Inch Booted Entry Holes
Item No. 6211R-201B3LD
12-Gauge Epoxy-Powder Coated Steel. Welded-Hinge Lockable Hatch
![1/2 Inch NPT Stainless Steel Inline Anti-Siphon Valve With Thermal Expansion Relief 0-5 Foot W.C. 1/2 Inch NPT Stainless Steel Inline Anti-Siphon Valve With Thermal Expansion Relief 0-5 Foot W.C.](https://shop.sourcena.com/lowres/detail/912-050500AV.jpg)
1/2 Inch NPT Stainless Steel Inline Anti-Siphon Valve With Thermal Expansion Relief 0-5 Foot W.C.
Item No. 912-050500AV
Normally closed valve helps prevent accidental siphoning of product from tank due to downstream leak below liquid level.
![1/2 Inch NPT Stainless Steel Inline Anti-Siphon Valve With Thermal Expansion Relief 5-10 Foot W.C. 1/2 Inch NPT Stainless Steel Inline Anti-Siphon Valve With Thermal Expansion Relief 5-10 Foot W.C.](https://shop.sourcena.com/lowres/detail/912-051000AV.jpg)
1/2 Inch NPT Stainless Steel Inline Anti-Siphon Valve With Thermal Expansion Relief 5-10 Foot W.C.
Item No. 912-051000AV
Normally closed valve helps prevent accidental siphoning of product from tank due to downstream leak below liquid level.
![1/2 Inch NPT Ductile Iron 25 PSI Expansion Relief Valve With Stainless Steel Cap Spring And Ball 1/2 Inch NPT Ductile Iron 25 PSI Expansion Relief Valve With Stainless Steel Cap Spring And Ball](https://shop.sourcena.com/lowres/detail/078DI-0100AV.jpg)
1/2 Inch NPT Ductile Iron 25 PSI Expansion Relief Valve With Stainless Steel Cap Spring And Ball
Item No. 078DI-0100AV
Allows excess pressure caused by thermal expansion of the liquid to return to the AST tank.
![1/2 Inch NPT Ductile Iron 40 PSI Expansion Relief Valve With Stainless Steel Cap Spring And Ball 1/2 Inch NPT Ductile Iron 40 PSI Expansion Relief Valve With Stainless Steel Cap Spring And Ball](https://shop.sourcena.com/lowres/detail/078DI-0200AV.jpg)
1/2 Inch NPT Ductile Iron 40 PSI Expansion Relief Valve With Stainless Steel Cap Spring And Ball
Item No. 078DI-0200AV
Allows excess pressure caused by thermal expansion of the liquid to return to the AST tank.
![1/2 Inch NPT Ductile Iron 100 PSI Expansion Relief Valve With Stainless Steel Cap Spring And Ball 1/2 Inch NPT Ductile Iron 100 PSI Expansion Relief Valve With Stainless Steel Cap Spring And Ball](https://shop.sourcena.com/lowres/nophoto.gif)
1/2 Inch NPT Ductile Iron 100 PSI Expansion Relief Valve With Stainless Steel Cap Spring And Ball
Item No. 078DI-0300AV
Allows excess pressure caused by thermal expansion of the liquid to return to the AST tank.
![1-1/2 Inch NPT Male 10 Series Double-Poppet Emergency Shut-Off Shear Valve 1-1/2 Inch NPT Male 10 Series Double-Poppet Emergency Shut-Off Shear Valve](https://shop.sourcena.com/lowres/detail/10BHMP-5830.jpg)
1-1/2 Inch NPT Male 10 Series Double-Poppet Emergency Shut-Off Shear Valve
Item No. 10BHMP-5830
Installed on fuel supply lines beneath dispenser at grade level