EWS446 Mud Pump TECHNICAL SPECIFICATION
 
Rated input power 328KW (440HP)
Rated Stroke 320 Stroke/Minute(320SPM)
Stroke 152.4mm （6"）
Gear Ratio 4.578 ：1
Max. operation pressure 35Mpa
Valve chamber Valve-Over API 4#
Max. liner dia. 6″
Max. liner mud pressure（160 stroke/minute）16.9Mpa
Dia. of suction manifold, 6″ (150#) Flange
Dia. of discharge manifold 3″(900#) Flange
Dia. pinion shaft 95.25 mm(3.75″)
Key 22.174x15.9mm
Dimension：（No included base）, 2479X1219X1103 mm
 

EWS-446 Performance

Liner Size, inches 6 5-1/2 5 4-1/2 4 3-1/2 Rated Pressure, psi 1,027 1,222 1,479 1,710 2,169 2,816 Pump Speed SPM Input Power HP Displacement, GPM 320 440 661 555 459 397 313 240 270 380 551 463 382 335 264 202 220 320 441 370 306 273 215 165 170 260 330 278 229 211 167 127 120 200 220 185 153 149 118 90  70 200 110 93 76 87 69 52 Volume/Stroke, gallons 2.203 1.851 1.530 1.239 0.979 0.750

Ratings are based on 90% mechanical efficiency and 100% volumetric efficiency.