Specifications

LW446 Mud Pump compact structure, small volume, lightweight, integrated herringbone gear pair, large transmit torque .

LW446 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

Weight 4463 kg

Tructure character

The pump is compact structure, small volume, lightweight, integrated herringbone gear pair, large transmit torque and smooth run. Crankshaft is welding forged and light weight without libration

LW446 Mud Pump Single-acting Triplex Pump can be used widely in oilfield operation. Liner size from 31/4"--6" is better-adopted piston structure for workover operation and low well drilling operation while plunger structure for liner size from 2---31/4" for high- pressure operation.

Performance parameter table

LW-446Parameter Stroke/Min. 320 270 220 170 120 70 Rated Input (HP) 440 380 320 260 200 200 Liner Dia. (in) Pressure Gallon/Turn Liter/Turn Gallon/min Liter/min Gallon/min Liter/min Gallon/min Liter/min Gallon/min Liter/min Gallon/min Liter/min Gallon/min Liter/min PSI Mpa 6” 1027 7.083 2.203 8.338 661 2502 551 2086 441 1669 330 1249 220 833 110 416 5-1/2” 1222 8.428 1.851 7.006 555 2101 463 1752 370 1400 278 1052 185 700 93 352 5” 1479 10.200 1.53 5.791 459 1737 382 1446 306 1158 229 867 153 579 76 288 4-1/2” 1826 12.593 1.239 4.690 372 1408 310 1173 248 939 186 704 124 469 62 235

LW-446 Pump parts list

Item Part number Description Qty 1 LW-446.01.00 Fluid End Assy. 1 2 LW-446.02.00 Base plate 1 3 LW-446.03.00 Water Tank 1 4 LW-446.04.00 Crosshead Assy. 3 5 LW -446.05.00 Crank Shaft Assy. 1 6 LW -446.06.00 Gear Shaft Assy. 1 7 LW -446.07.00 Frame Assy. 1 8 LW -446.08.00 Lubricate System Assy. 1 9 LW -0001 7/8-9UNCX21/2 Stud 8 10 LW -446.01.12 7/8-9UNC-2B Nu 8 11 LW -446.09.00 Washer As needed 12 LW -446.10.00 Cover Plate Assy. 1 13 LW -446.11.00 Deflector 1 14 LW -446.12.00 Spray Pipe Assy. 1