... MCO Series centrifugal mud pumps is fully contained American pump mud technology. Pump discharge size is from 2" to 12". This ... pumps when they are used in barite & mineral oil based drilling mud, bentonite, salt water slurry, cement, pulp and paper, ... be deformed, High-precision, Tolerance strictly high-chromium iron slurry pump, slurry pump parts, large power, large displacement, and high press