• (918) 437-8800

Wheatley Model 500 – Continuous Duty Double Acting Duplex Pump

  • 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
  • No. of Pistons: 2
  • Stroke Length: 51/8″
  • Piston Load: 2500 LBF
  • Gear Ratio: 4.933:1
  • Crank Pin: 2.75 Diameter 2.00″ Wide
  • Pinion Shaft: 1.500 Diameter 3/8″ X 3/16 KWY
  • Oil Capacity: 5 U.S. Quarts
  • Pump Weights by Model:
    • 535 = 800 LBM
    • 545 = 925 LBM
  • Standard Connections For Fluid End Bodies:
    • 535: Cast 2 1/2 11
      • FNPT Suction
      • ” FNPT Discharge
    • 545: Cast
      • 3 FNPT Suction
      • 2″ FNPT
  • Discharge Standard Materials For Fluid End Bodies:
    • 535: CAST Gray Iron CAST Ductile Iron
    • 545: CAST Gray Iron CAST Ductile Iron
PUMP MODEL PLGR DIA IN. MAX PRESS PSI DISP.GAL PER REV. DISPLACEMENT
54 RPM 85 RPM
GPM BPD GPM BPD
535 2″ 795 0.2439 13.2 453 20.7 710
2 1/2″ 510 0.4007 21.6 741 34.1 1169
3″ 353 0.5923 32 1097 50.3 1725
3 1/2″ 260 0.8189 44.2 1515 69.6 2386
Max Break Horsepower Required 8 12

 

PUMP MODEL PLGR DIA IN. MAX PRESS PSI DISP.GAL PER REV. DISPLACEMENT
54 RPM 85 RPM
GPM BPD GPM BPD
535 2 1/2″ 510 0.4007 21.6 741 34.1 1169
3″ 353 0.5923 32 1097 50.3 1725
3 1/2″ 260 0.8189 44.2 1515 69.6 2386
4″ 200 1.0802 58.4 1999 91.8 3147
4 1/2″ 155 1.3765 74.3 2547 117 4011
Max Break Horsepower Required 9 12

Wheatley and GASO models have changed recently so we have provided a quick reference table for your convenience – click here