Drilling pump

Drilling Pump technical Parameter Model JR3NB-1300 Type Horizontal three Cylinder single Role Pistons Pump Input power (KW) 956/(1300) Rated Pump speed (r/min) 120 Stroke Length (mm) 305 Gear Transmission Ratio 3.657 Main Axis rated speed (r/min) 428 Suction pipes Diameter (mm) 254—305 Suction pipes Length (mm) 2100-3800 Discharge tube Diameter (mm) 123 Overall dimension (mm) (L*W*H) 4600*2750*2525 Weight(ton) including pulley, air package, Spray system 23.8 Relation of Drilling pump pressure with theoretic duty Diesel speed(r.min) Pump speed Pistons beginning Acceleration (r/sec2) Theoretical displacement L/S 140 150 160 170 180 190 1000 80 10.7 18.77 21.55 24.52 27.68 31.03 34.57 1100 88 12.95 20.65 23.70 26.97 30.44 34.13 38.03 1200 96 15.41 22.53 25.86 29.42 33.21 37.24 40.43 1300 104 18.09 24.40 28.01 31.87 36.00 40.34 44.94 1400 112 20.98 26.28 30.17 34.32 38.75 43.44 48.40 1500 120 24.08 28.16 32.32 36.78 41.52 46.54 51.85 Mpa JR3NB-1300 31 27 24 21 19 - Mud pump displacement 0.235 0.269 0.307 0.346 0.388 0.432 Mechanical efficiency 90% Volumetric efficiency 100%