Vertical type, ,monolithic smithing forging hollow structure.
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% | |||||||
