Vacuum Relief Valve Male Outlet

Vacuum Relief Valve Male Outlet

Part Number 2120/9
Material Aluminum
Size 2"
Inlet Male NPT
Outlet Male NPT
Pressure Setting 9
Optional Pkg/Box Qty 1
Weight Lb 5.6800


  • Designed specifically for use on trailer tanks containing dry bulk products. If a system blockage were to occur the valves are designed to open to atmosphere to help prevent the tank from imploding.


  • Set Pressure Tolerance: +/- 0.5 HG
  • Relieving capacity: 280 to 600 SCFM


  • Installed bolt seal deters tampering
  • Bayloy body eliminates thread galling


  • Bayloy body
  • Bronze poppet

Available Options

  • Available with a variety of vacuum settings. Customer should request set pressure at time of order.


  • Relieving capacity (SCFM) varies dependent upon model and pressure setting. For specific rates please contact Dixon.

Safety notes


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Stock Availability