LW520×1290BP-N Industrial Decanter Centrifuge for Drilling Mud Treatment and Barite Recovery The LW520×1290BP-N decanter centrifuge is developed for continuous drilling fluid treatment and efficient removal of fine solids down to approximately 2–5 μm . With a 520 mm diameter bowl and 1290 mm bowl length , the unit can operate at speeds of up to 2300 RPM , generating high centrifugal force for effective solids separation and barite recovery. With proper operating conditions,