Top Seal
90 Degree With Pressure Relief
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![4 Inch Fill Swivel Adapter - Brass 4 Inch Fill Swivel Adapter - Brass](https://shop.sourcena.com/lowres/detail/SWF-100-B.jpg)
4 Inch Fill Swivel Adapter - Brass
Item No. SWF-100-B
Protects against fuel spills in the event of a piping break
![4 Inch Vapor Swivel Adapter - Brass 4 Inch Vapor Swivel Adapter - Brass](https://shop.sourcena.com/lowres/detail/SWV-101-B.jpg)
4 Inch Vapor Swivel Adapter - Brass
Item No. SWV-101-B
Prevents vapor leaks at fill adapter due to loosening from riser during tank filling
![4 Inch X 4 Inch Fill Adapter Bronze Top Seal 4 Inch X 4 Inch Fill Adapter Bronze Top Seal](https://shop.sourcena.com/lowres/detail/633T-8076.jpg)
4 Inch X 4 Inch Fill Adapter Bronze Top Seal
Item No. 633T-8076
Threads onto the 4 inch fill pipe of underground storage tanks to mate with top-seal delivery 4 inch elbows
![4 Inch Top Seal Flat Top Low Profile Cap 4 Inch Top Seal Flat Top Low Profile Cap](https://shop.sourcena.com/lowres/detail/731-40.jpg)
4 Inch Top Seal Flat Top Low Profile Cap
Item No. 731-40
Water and vapor tight can-action handle
![4 Inch Tight Fill Adapter Top Seal Without Lugs - Brass 4 Inch Tight Fill Adapter Top Seal Without Lugs - Brass](https://shop.sourcena.com/lowres/detail/305-0200AA.jpg)
4 Inch Tight Fill Adapter Top Seal Without Lugs - Brass
Item No. 305-0200AA
Top seal Adapters thread onto underground and aboveground storage tank fill ports and riser pipes where tight fill connections are required
![4 Inch Fill Cap Evr Approved 4 Inch Fill Cap Evr Approved](https://shop.sourcena.com/lowres/detail/305C-0100-ACEVR.jpg)
4 Inch Fill Cap Evr Approved
Item No. 305C-0100-ACEVR
EVR Approved used for fill ports and access to leak detection on fuel storage tanks
![4 Inch Bronze Swivel Fill Adapter 4 Inch Bronze Swivel Fill Adapter](https://shop.sourcena.com/lowres/detail/61SALP-1020-EVR.jpg)
4 Inch Bronze Swivel Fill Adapter
Item No. 61SALP-1020-EVR
The 61SA Swivel Adapter mates with 4 top-seal delivery elbows and features a top section that rotates with hose movement while the bottom section remains securely in place maintaining seal integrity
![4 Inch Bronze Vapor Swivel Adapter Evr 4 Inch Bronze Vapor Swivel Adapter Evr](https://shop.sourcena.com/lowres/detail/61VSA-1020-EVR.jpg)
4 Inch Bronze Vapor Swivel Adapter Evr
Item No. 61VSA-1020-EVR
Stage I vapor Adapters are installed in spill containment manholes on the vapor recovery riser pipe from UST
![4 Inch Bronze Top Seal Adapter 4 Inch Bronze Top Seal Adapter](https://shop.sourcena.com/lowres/detail/724-4040.jpg)
4 Inch Bronze Top Seal Adapter
Item No. 724-4040
4 inch cap x 4 inch pipe size 2-3/4 inch height x 4-7/8 inch outside diameter bronze construction, Buna-N gasket
![3/4 Inch Anti-Syphon Valve 0 To 5 Foot Head Pressure 3/4 Inch Anti-Syphon Valve 0 To 5 Foot Head Pressure](https://shop.sourcena.com/lowres/detail/199ASV-1075.jpg)
3/4 Inch Anti-Syphon Valve 0 To 5 Foot Head Pressure
Item No. 199ASV-1075
Factory-adjusted hydrostatic head pressure settings
![1 Inch Anti-Syphon Valve 0 To 5 Foot Head Pressure 1 Inch Anti-Syphon Valve 0 To 5 Foot Head Pressure](https://shop.sourcena.com/lowres/detail/199ASV-1100.jpg)
1 Inch Anti-Syphon Valve 0 To 5 Foot Head Pressure
Item No. 199ASV-1100
Factory-adjusted hydrostatic head pressure settings
![1 Inch Anti-Siphon Check Valve With Pressure Relief 1 Inch Anti-Siphon Check Valve With Pressure Relief](https://shop.sourcena.com/lowres/detail/403PR-10.jpg)
1 Inch Anti-Siphon Check Valve With Pressure Relief
Item No. 403PR-10
Reduces fire hazards and prevents fuel spillage should a line rupture
![2 Inch Anti-Siphon Check Valve With Pressure Relief 2 Inch Anti-Siphon Check Valve With Pressure Relief](https://shop.sourcena.com/lowres/nophoto.gif)
2 Inch Anti-Siphon Check Valve With Pressure Relief
Item No. 403PR-20
Reduces fire hazards and prevents fuel spillage should a line rupture
![1-1/2 Inch Anti-Syphon Valve 0 To 5 Foot Head Pressure 1-1/2 Inch Anti-Syphon Valve 0 To 5 Foot Head Pressure](https://shop.sourcena.com/lowres/detail/199ASV-1150.jpg)
1-1/2 Inch Anti-Syphon Valve 0 To 5 Foot Head Pressure
Item No. 199ASV-1150
Factory-adjusted hydrostatic head pressure settings
![3/4 Anti-Syphon Valve 5 To 10 Foot Head Pressure 3/4 Anti-Syphon Valve 5 To 10 Foot Head Pressure](https://shop.sourcena.com/lowres/detail/199ASV-2075.jpg)
3/4 Anti-Syphon Valve 5 To 10 Foot Head Pressure
Item No. 199ASV-2075
Factory-adjusted hydrostatic head pressure settings
![1 Inch Anti-Syphon Valve 5 To 10 Foot Head Pressure 1 Inch Anti-Syphon Valve 5 To 10 Foot Head Pressure](https://shop.sourcena.com/lowres/detail/199ASV-2100.jpg)
1 Inch Anti-Syphon Valve 5 To 10 Foot Head Pressure
Item No. 199ASV-2100
Factory-adjusted hydrostatic head pressure settings
![3/4 Inch Anti-Syphon Valve 0-12 Foot Head Pressure 3/4 Inch Anti-Syphon Valve 0-12 Foot Head Pressure](https://shop.sourcena.com/lowres/detail/60530001.jpg)
3/4 Inch Anti-Syphon Valve 0-12 Foot Head Pressure
Item No. 60530001
Obsolete Hydrostatic pressure adjusting mechanism with durable weather cap
![1 Inch 0-12 Foot Head Pressure Anti-Syphon Valve 1 Inch 0-12 Foot Head Pressure Anti-Syphon Valve](https://shop.sourcena.com/lowres/detail/60630001.jpg)
1 Inch 0-12 Foot Head Pressure Anti-Syphon Valve
Item No. 60630001
Hydrostatic pressure adjusting mechanism with durable weather cap
![3 Inch X 4 Inch Fill Adapter Aluminum Top Seal 3 Inch X 4 Inch Fill Adapter Aluminum Top Seal](https://shop.sourcena.com/lowres/detail/633T-8070.jpg)
3 Inch X 4 Inch Fill Adapter Aluminum Top Seal
Item No. 633T-8070
Threads onto the 3 inch fill pipe of underground storage tanks to mate with top-seal delivery 4 inch elbow