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WS255 Quintuplex Well Stimulation Pump

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Pump Specifications
Maximum Input 1864 bkW (2500 BHP)
Maximum RPM 330 r/min (330 r/min)
Number of Plungers 5 plg (5 plg)
Stroke - Length 203.2 mm (8 in)
Pump Weight 7257 kg (16000 lb)
Gear Ratio 6.353:1
Rod Load 107955 kg (238000 lb)
Bore Centers 254 mm (10 in)

Standard Equipment

  • Fluid Ends
    • Dimensionally compatible with industry standard 8″ and 10″ stroke power ends
    • Valve-over-valve design simplifies valve, seat, and plunger installation
    • Full line of 1502 discharge flanges – male, female, and blank
    • Suction manifold options – Zoomie and log-style, and our innovative low-profile option
    • Grooved and grooveless valve stop designs available, grooveless design eliminates stress risers present with a grooved valve stop design
    • Plunger line – colmonoy 6 coating with a minimum hardness of 56 RC
    • Standard and premium plunger packing available
    • Polypak seals for more reliable sealing at suction cover and discharge flanges
    • Fluid end components designed to maximize interchangeability across our fluid end line and with industry standard fluid ends
  • Power Ends
    • Industry standard footprint – fully interchangeable with competitors’ pumps
    • Reverse helical pinion and bull gear design – great reliability
    • Fully welded structure with additional internal supports
    • Two-piece stay rod design – pretensioned stay rod lowers cyclic loading and fatigue stress
    • Nose plate-to-frame design includes a dovetail interlocking design, which increases the structural strength
    • Forged or fabricated bull gears – no cast material
    • Forged crankshaft – one piece

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