NEW, USED, AND REFURBISHED PUMPS AND PARTS GASO DUPLEX, GASO TRIPLEX AND GASO QUINTUPLEX PLUNGER AND PISTON PUMPS BY WHEATLEY AND GASO PUMP

Wheatley, 535, Duplex, Piston Pump (Mud Pump)

Pumps in this series

535
545
  • 12 horsepower 5.125" stroke continuous duty double acting duplex pump
  • Rated at pump speeds up to 85 RPM
  • Maximum discharge pressures up to 796 psi
  • Equipped with cast iron fluid ends
  • Equipped with internal gear reduction unit

Specs

Spec U.S. Standard
Type: duplex
Minimum Piston Diameter: 2"
Maximum Piston Diameter: 3½"
Stroke length: 5⅛"
Maximum Working Pressure: 795 PSI
Rod/Piston Load: 2500lb
Gallons per Minute: 69.6
Barrels per Day: 2386
Brake Horse Power: 12.4

535, Duplex, Piston Pump (Mud Pump)
Mouse-over to Enlarge 535, Duplex, Piston Pump (Mud Pump)

Hover over Power Curves to reveal RPM and GPM

PumpEnglish Units50 RPM60 RPM70 RPM80 RPM85 RPM
Plunger Dia. In.Plunger Area Sq. In.BPD per RPMGPM per RPMMax Press. PSIBPDGPMBPDGPMBPDGPMBPDGPMBPDGPM
535
3.5009.621129.2740.8538260146443175651204960234268248873
3.2508.295825.2410.7362301126237151544176752201959214663
3.0007.068621.5070.6273354107531129038150644172150182853
2.7505.939618.0720.527142190426108432126537144642153645
2.5004.908714.9360.43565097472289626104630119535127037
2.2503.976112.0980.352962960518726218472596828102830
2.0003.14169.5590.27887954781457417669207652281324
Power End Features
  • Cast iron power frame
  • Ductile iron crankshaft
  • Heavy-duty roller crankshaft bearings
  • Bi-metal crankpin bearings
  • Ductile iron connecting rods
  • Alloy steel crosshead pins
  • Bronze bearing crosshead pin bushings
  • Internal gear reduction / 4.933:1 Ratio / with:
    • Ductile iron herringbone type main gear
    • Alloy steel pinion shaft with herringbone pinion gear
    • Heavy-duty roller pinion shaft bearings
  • Flooded sump, splash distribution lubrication
  • Rated rod load is 2500 lbs
  • Cast iron crossheads with upper/lower oil grooves
Fluid End Features
  • Bolted Valve and Cylinder Head Covers
  • Bolted type glands and removable stuffing boxes
  • File Hard Steel Piston Rods
  • Valve Types
    • Steel wing guided valve & seat-Crude Oil Transfer
    • Steel wing guided w/replaceable insert for slush service
  • Piston Types for crude oil transfer:
    • Cast iron piston body, ring type
    • Cast iron, chrome faced, piston rings
  • For slush / mud service:
    • Mission slush type piston w/ replaceable rubbers
  • General service piston rod packing