Liquid Control Pneumatic Cylinder Pump 14 Gal Tank Liquid Dispensing

Used, in Good Working Condition. Removed From a Working Environment.
This tank has silicone inside.
No tag on the pump. Pump is run by the air cylinder going back and forth. No controls came with for the cylinder.
This has a Vickers check valve.  C2-815UBS3
The tank is around 14 gallons.