We got a blizzard Christmas day.
This John Blue pump was made in the 50's for LPG or anhydrous ammonia transfer. It has a piston motor that operates off of the difference between tank pressure and atmospheric and drives an attached piston pump that moves gas from one tank to the other creating a pressure difference. The transfer is done by a separate liquid line between the tanks. Some gas is lost to the atmosphere from the motor end in normal operation. The motor valve shifter had broken and it took a while to figure out how it went back together and what the parts were supposed to look like. Originally they were used to transfer anhydrous from a bigger nurse tank to a tractor mounted tank when tractors could not carry so much weight.
We got a blizzard Christmas day.
This John Blue pump was made in the 50's for LPG or anhydrous ammonia transfer. It has a piston motor that operates off of the difference between tank pressure and atmospheric and drives an attached piston pump that moves gas from one tank to the other creating a pressure difference. The transfer is done by a separate liquid line between the tanks. Some gas is lost to the atmosphere from the motor end in normal operation. The motor valve shifter had broken and it took a while to figure out how it went back together and what the parts were supposed to look like. Originally they were used to transfer anhydrous from a bigger nurse tank to a tractor mounted tank when tractors could not carry so much weight.
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