The milk is brought to the cheesery in a stainless-steel bulk tank and pumped in through a wall, according to state specifications.
But the big thing was the bulk tanks.
There are two primary methods of cooling milk entering the bulk tank, each with its own advantages and disadvantages.
It is therefore advisable to re-calibrate a bulk tank.
The milk is filtered and cooled before being added to a large bulk tank of milk for storage.
There is usually a transition point to move the milk from the pipeline under vacuum to the bulk tank which is at normal atmospheric pressure.
Without the check valve, the milk in the bulk tank could be sucked back into the receiver bowl when the pump is not running.
Milk can then just flow directly by gravity from the pipeline into the bulk tank.
Because I already own a quarter-sized bulk tank that holds 20 pounds of propane, his revelation titillated me.
Leda jumped as the automatic stirring machine came to life, mixing the milk in the bulk tank.