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Gaomi Eastland Oilwell Machinery Co., Ltd.

China Manufacturer with main products: Drilling Rig Parts, Mud Pump Parts, Solid Control Equipment, Drilling Handling Tools, Wellhead Equipment, Plunger Pump Parts, Well Service...

Home  >Products Catalog > Mud Pump Parts > EWS446/440 Drilling Piston Pump Liner Piston Valve Seat

EWS446/440 Drilling Piston Pump Liner Piston Valve Seat

FOB Price: 1.00 - 1,000.00 USD/Piece
Supply Ability: 3,000 Piece/Pieces per Month
Shipping: se/air
Payment Terms: T/T
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Shandong in China
Packaging Details: case

Quick Details

  • Use: Well Drilling
  • Processing Type: Casting
  • Material: Iron
  • Certification: API
  • Machine Type: Drilling Equipment
  • Type: Hydraulic Support
  • Model Number: EWS446/440
  • Brand Name: Elli Williams



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.


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

Fluid End Expendables & Accessories

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

Piston: nitrile rubber piston, supreme 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

Service Process

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    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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