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

Gaso, 1550, Duplex, Piston Pump (Mud Pump)

Pumps in this series

1550
1550-C
  • 74 horsepower 10" stroke continuous duty double acting duplex pump
  • Rated at pump speeds up to 85 RPM
  • Maximum discharge pressures up to 1400 psi
  • Equipped with cast iron fluid ends
  • Equipped with internal gear reduction unit

Specs

Spec U.S. Standard
Type: duplex
Minimum Piston Diameter: 2½"
Maximum Piston Diameter: 5"
Stroke length: 10"
Maximum Working Pressure: 1,440 PSI
Rod/Piston Load: 6520lb
Gallons per Minute: 282.0
Barrels per Day: 9669
Brake Horse Power: 69.4

1550, Duplex, Piston Pump (Mud Pump)
Mouse-over to Enlarge 1550, 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
1550
5.00019.6350116.5713.400033258291706994204816023893262729909289
4.75017.7205105.2053.068536852601536312184736421584162458943261
4.50015.904394.4232.754041047211385665165661019375542208026234
4.25014.186384.2232.456546042111235053147589617267381977159209
4.00012.566474.6062.176051937301094476131522215259681746342185
3.75011.044765.5711.91255903279963934115459013452461535574163
3.5009.621157.1201.66606782856833427100399811745701334855142
3.2508.295849.2511.4365786246372295586344810139401154186122
3.0007.068641.9661.22409222098612518732938863357983567104
2.7505.939635.2631.02851098176351211662246872282182299787
2.5004.908729.1430.85001328145742174951204059233168247772
Power End Features
  • Cast iron power frame
  • Steel crankshaft
  • Heavy-duty roller crankshaft bearings
  • Bi-metal crankpin bearings
  • Ductile iron connecting rods
  • Allow steel crosshead pins
  • Bronze bearing crosshead pin bushings
Internal gear reduction / 5.920:1 Ratio / with:
  • Ductile iron herringbone type main gear
  • Allow steel pinion shaft with herringbone pinion gear
  • Heavy-duty roller pinion shaft bearings
  • Flooded sump, splash distribution lubrication
  • Cast iron crossheads with upper/lower oil grooves
  • Rated rod load is 7475 lbs.
Fluid End Features
  • Bolted Valve and cylinder head covers
  • Bolted or threaded type glands & removable stuffing boxes
  • File Hard Steel Piston Rods
  • Standard Valve Types:
    • For crude oil transfer:
      • Steel wing guided valve & seat
    • For slush / mud service:
      • Steel wing guided with replaceable insert
  • Standard Piston Types:
    • For crude oil transfer:
      • Cast iron piston body, ring type
      • Cast iron, chrome faced, piston rings
    • For slush / mud service:
      • Mission mud type piston w/replaceable rubbers
      • General service rod packing