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ELW-440/446 Pump can be widely used in all kinds of works in oil field. When the cylinder liner specification is 6"-3 1/2", piston structure is recommended and it is suitable for Oil-Well Repair and shallow-well drilling, etc. When the cylinder liner specification is 3 1/4"-2", axial piston structure is recommended and it is suitable for high-pressure work.

ELW446 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")

Fluid End Expendables & Accessories

Liner: hy-chrome liner, zirconia liner, ceramic liner, chrome-plated liner, hardned liner

Piston: nitrile rubber piston, piston, polyurethane piston, urethane bonded piston, green duo piston, blue lightning piston, white lightning piston

Valve & Seat: three-web valve seat, four-web valve seat, full open valve seat, Bomco type valve seat, NOV valve seat, Mission valve seat, Southwest valve seat

Pulsation Dampener: KB45,KB75,PD45,PD55,K10,K20

Module: [I" shaped module, [L" shaped module, suction module, discharge module

Spare parts:  Upper and lower Valve Guide, Liner Gasket, Piston Rod, Rod Clamp, Valve Cover, Valve Cover Seal, Cylinder head, Cylinder Head Gasket, Cylinder Head Flange/Threaded Ring, Alignment Ring, Wear Plate, Cylinder Head Plug, Liner Flange, Liner Lock, Mud Baffle

Power End Parts

Pony Rod/Extension Rod, Stuffing Box, Stuffing box Seal Parts, Crosshead, Crosshead Guide, Crosshead Pin, Crosshead Bearing, Connection Rod, Bull Gears, Pinion Shaft, Pinion Shaft Bearing/Bearing Carrier/Oil Seal Gasket/, Crank Shaft, Crank Shaft Bearing/Bearing Carrier, Eccentric Bearing, Inner/outer Race Retainer, Gauges, Oil Lubrication Pump, Mud Pump Transmission Belt Pulley/V-belt

Mud Pump Model:

Bomco:F-500, F-800, F-1000,F-1300, F-1600,F-1600HL, F-2200HL

Brewster:B-1000-T, B-1100-T, B-1300-T, B-1600-T

HONGHUA: HHF-500, HHF-800, HHF-1000,HHF-1300,HH F-1600,HHF-1600HL, HHF-2200HL

Emsco: F-350,F-500,F-650, F-800, F-1000,FD-1000, FB-1300, FB-1600, FA-1600, FA-1300, FC-1600, FD-1600,FC-2200D-300/500, D-175,D-225,D-375, D-500,D-550,DA-500,DB-500,D-700,DA-70,DB-700,DC-700,DA-850,DB-850,DC-850,D-1000,DB-1000,DC-1000,D-1000-A,D-1350,D-1650

National: 7-P-50, 8-P-80, 9-P-100, 10-P-130, 12-P-160, 14-P-220,JWS-165-L, JWS-340, JWS-400,C-250,C-350,K-380,K-500-A,G-700,K-700,N-1000,N-1300,N-1600

Oilwell: 350-PT,A-650P-T,A-850-PT, A-1100-PT, A-1400-PT,A-1700-PT,HD-1400-PT,HD-1700-PT

        612-P, 212-P,214-P,218-P,700-P,816-P,818-P,1000-P

Ideco:  T-500, T-800, T-1000, T-1300, T-1600,MM-450,MM-500-F,MM-600-A,MM-700-F,MM-1000

Gardner Denver: PZ-7, PZ-8,PZ-9,PZ-10, PZ-11, FK-FXK, FY-FXD, FD-FXX, FG-GXG, FG-FXG, KG-KXG, FQ-FXQ, FF-FXF, FF-FXP,TGE,TGF,TGH,PAH-275

LS National Mud Pumps: 3NB-500C, 3NB1000C, 3NB1300C, 3NB1600

Wirth Mud Pump: TPK1000, TPK1600, TPK 2000

Russian Pumps:UNBT-950, UNB-600, 8T-650, UNBT650, NBT600, UNB1180, UNB1180L,

WEATHERFORD/Ellis Williams:MP-5,MP-8,MP-10,MP-13,MP-16, E-447, E-2200, W446, W440

Drillmec: 7TS-600,8T-800,9T1000,10T-1300, 12T1600,14T-2200,10D2C, 8D1S

Upetrom: 3PN-1000, 3PN-1600, 3PN-1300, 3PN-2000

OPI: 350-D,350-GD,500-DC,700-HDL | 1000-HDL

Lewco/Ewco:W-250-C,WH440,W446,W600,WH600,WH770,W1100,WH1312,W1612,W1712,W2000,W2214,W2215

American Block: K800,K1000,K1300,K1600,K2200

Brewster: B-1000-T,B-1100-T,B-1300-T,B-1600-T

Loadmaster: LSF-500, LSF-800, LSF-1000, LSF-1300, LSF-1600

Soilmec: 7T500,7T508,8T650

Dragon: 440HP,660HP

GASO/Wheatly:1550,1560,1563,1654,1742,1753,1874,1849,1860,2652

Great American: GA-550,GA-750

TFI:BH-800, F-500, F-800, F-1000,F-1300, F-1600

TSC: WF-400,WF-450,WF-700,WFU-750,WF-1000,WF-1300,WF-1600,WF-2000,WF-2200