Proving tanks are used for calibrating custody transfer PD meters, dosing pump, tanks ecc.

Carbon steel construction  Inox.
Plexiglas graduated scale applied to the top neck by
sealed screws.
Bottom level sight glass.
Ball bottom valve.
Loading tube.
Livelling bubble.
Adjustable displacement pluger.
External epoxy painting for carbon steel.
Eyebolts for lifting.

LAT laboratory certificate on request

For more details see specific documentation.