Drop Tubes

  • Fill Tube

    Product SKU: FIG 275

    Fill tubes can be used for various transfer and unloading applications. An adaptor is welded to the tube.

  • Standard Drop Tube

    Product SKU: FIG 419

    Drop tubes are installed in the riser at the fill connection or attached to the bottom of overfill prevention valves to direct product flow from the fill point to within 6 inches of the tank bottom. 

  • Anodized Drop Tube

    Product SKU: FIG 419A

    Drop tubes are installed in the riser at the fill connection or attached to the bottom of overfill prevention valves to direct product flow from the fill point to within 6″ of the tank bottom. 

  • Oversized Drop Tube

    Product SKU: FIG 419SOS

    Directs product flow to liquid level when fi lling a storage tank. Prevents free fall and reduces agitation of liquid when filling. Flange fits between tight fill adaptor riser pipe. Tube extends to near bottom for submerged fill.

    Oversized drop tube (3.906" OD vs. 3.875" OD).

  • Air Transfer Valve

    Product SKU: FIG 542

    A vapor tight fitting installed on a fill tube. The valve opens at the initial stage of a fill and transfers the initial slug of air from the hose into the tank above the liquid level. This helps eliminate the turbulence created by air being forced through the liquid, which helps reduce vapor pressure. The valve can be installed on new or existing drop tubes.

    A special installation tool...

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Morrison Bros. Co. has received approval from California’s Air Resource Board for a Phase 1 Enhanced Vapor Recovery System for Protected Aboveground Storage Tanks. Click here to get started on your CARB certification!

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