Wotzdisden [2]

It pumps paint on a wall.

Anak said:

It pumps paint on a wall.

Not paint and not a wall but colors are involved

Ciara said:

Air pump ?

It can run on air or electricity

alfred01 said:

It's the pump for a high pressure blaster that removes graffiti?

rbeldua said:

Hair Spray

No x 2
Hint: It fits on a 5 gallon bucket. Whats in the bucket is what you can see/look at

rbeldua said:

pump for cooking oil

No not for food, something you see/look/read

alfred01 said:

It's what they used for my colonoscopy?

Ouch

alfred01 said:

Seriously though, is it used to spray paint signs that fly behind a plane?

I am going to give it to you it's a Ink pump

HV Series - Ink Pump Control System

Centrifugal printing ink pump control systems for small presses requiring ink flow rates
of 1 GPM or less.

HV series ink pumps are the most popular of the Graymills ink pump for the narrow web printing industry.
These ink pumps include a wide variety of motor and tank options to fit almost any application. Ideal for
use with water, solvent or UV based inks/coatings, the HV series ink pump can be provided with pneumatic
or electric pumping sources.
Feature:

High strength thermoplastic pump body
Stainless steel shaft
Ball valve & ½” slip-on barb discharge tube
Agitor jet for in-tank agitation
5 gallon flanged lid container with ¾” return hole