I. LW440 Mud Pump Technical Specification

Rated input power      

328KW   (440HP)

Rated Stroke 

320冲/分(320SPM)(LW440)

Stroke   

152.4mm (6″)

Gear Ratio   

4.578 :1

Max. operation pressure

35 Mpa (LW440) 

Valve chamber Valve-Over

API 4#

Max. liner dia.

4-1/2″ (LW440)

Max. liner mud pressure

(160冲/分) 16.9 Mpa

Dia. of suction manifold 6″

(150 #) Flange

Dia. of discharge manifold 3″

(900 #) Flange

Dia. pinion Shaft

95.25mm (3.75″)

Dia. pinion Key

22.174×15.9 mm

Dimension:(No included base)

2479×1219×1103 mm

Weight

4463 Kg

II. 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.
LW440 Mud Pump Single-acting Triplex Pump can be used widely in oilfield operation. Liner size from 3-1/4″—4-1/2″ 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.

III. Performance Parameter Table

LW-440 MUD PUMP

(stroke/Min.)

170

120

70

Rated Input (HP)

260

200

200

Liner Dia.(in)

Pressure

Gallon/Turn

Liter/Turn

G/m

L/m

G/m

L/m

G/m

L/m

psi

Mpa

41/2

1710

11.793

1.239

4.690

211

799

149

564

87

329

4

2169

14.959

0.979

3.706

167

633

118

447

69

261

31/2

2816

19.421

0.750

2.839

127

481

90

341

52

197

G/m: Gallon/min | L/m: Liter/min

LW-440Parameter

(stroke/Min.)

320

270

220

Rated Input (HP)

440

380

320

Liner Dia.(in)

Pressure

Gallon/Turn

Liter/Turn

G/m

L/m

G/m

L/m

G/m

L/m

psi

Mpa

41/2

1710

11.793

1.239

4.690

397

1503

335

1268

273

1033

4

2169

14.959

0.979

3.706

313

1185

264

999

215

814

31/2

2816

19.421

0.750

2.839

240

908

202

764

165

625

 

G/m: Gallon/min | L/m: Liter/min

Categories: LW MUD PUMP

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