PZ-8 drilling mud pump

PZ-8 Specifications Maximum Input 750 BHP (559 kw)Maximum RPM 145 RPMStroke Length 8" (203 mm)Piston Load 76,800 lbs. (34,836 kg)Pump Weight 17,400 lbs. (7,900 kg) averageGear Ratio 4.5:1 Weight: Complete pump with large steel skid – 21,650 pounds.Ratings are based on 90% mechanical efficiency and 100% volumetric efficiency. Standard Features• Nodular iron power frame, eccentric, connection rods, and crossheads• Double-row-spherical roller bearnings carry eccentric• Double extended Jackshaft carried on heavy-duty straight roller bearings• Dual roller bearing connecting rod• Heat-treated alloy steel main gears are bolted to the eccentric• Replaceable bronze crosshead slides• Full splash lubrication, with oil pump to feed working parts• Heat-treated alloy steel, interchangeable fluid cyclinders• Three-rib API-7 urethane insert valves and seats• Replaceable-type element oil filter and oil pressure gauge• Threaded valve covers• Plated piston rods• Complete piston washing and lubrication system Optional Equipment• Steel skid under pump only• Large steel skid with non-skid decking• Centrifugal suction charging pump• Rubber valve inserts• Suction and/or discharge dampeners• Oil heat exchanger• External electric powered lube pump• Fabricated suction manifold• Custom packaging available• Full open valves Drilling service rating Piston Cylinder Displacement Maximum PSI Pump RPM Jackshaft RPM Diameter Per Revolution Per Minute Inch mm Gal. Lit. Gal. Lit. PSI Kg/sq.cm2 145 652 7 178 4.0 15.14 580 2,196 1,996 140 6.5 165 3.45 13.06 500 1,893 2,315 163 6.25 159 3.19 12.08 462 1,749 2,504 176 6 152 2.94 11.13 426 1,613 2,717 191 5.5 140 2.47 9.35 358 1,355 2,233 227 5 127 2.04 7.72 296 1,120 3,912 285 4.5 114 1.65 6.25 240 908 4,830 340 4 102 1.31 4.96 189 715 5,000 352