On 6/24/2010 5:39 PM, Pete C. wrote:

(...)

Just get the Harbor Freight air operated piston pump, they are designed
to be output throttled i.e. oil dispenser guns. Close off the outlet and
the air piston just stalls, the fluid line is pressurized ready to
dispense again. The drum is never pressurized.

http://www.harborfreight.com/air-ope...ipe-43575.html

That'll work!


--Winston