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it will work except the oil used on the RRU will contaminate the butane. a good way to check forsure is to take a ppm test on the butane after you've ran it through the RRU

theres no point in running an active closed loop system. recovery pumps are not designed for hydrocarbons. recovery pumps are ment to be used with refrigerators. thats where they get the oil to keep the internals properly functioning. plus theres an average 3% loss of gases. if dealing with...

thank you

so ive been hearing about (in specific terpsap) cold boiling off your butane (freezing the butane out of your product) any ideas of how this is achieved?

bhotard