Coaxial Adaptor

FIG 605

Top seal coaxial adaptors are installed on underground storage tank riser pipes. Filling and vapor recovery can be done through a single connection with a coaxial drop elbow.

Standard Features

 Convert standard UST fill to stage 1 vapor recovery

 Adaptor designed to mate with coaxial delivery nozzles

 Accomodates 4″ Morrison 305C top seal caps

 Secured to riser with set screw


Construction Details


  • Brass
Fig Suffix Size Description Weight
605 0100 AA 4" Coaxial Adaptor - Brass 4.85


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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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