W Series Plunger Pumps

The Williams “W” Series Plunger Pumps offer a packed plunger design

The Williams “W’ Series is a piston plunger pump with a mechanical seal.  It is capable of precisely injecting chemical into a wide variety of process applications. Whether you need to inject a catalyst  in a reactor for a refinery or high volume batch dosage treatments offshore such as biocides for water and fuel treatments.  The “W” Series pump can deliver up to 90 gph (336 liters per hour at pressures up to 2500 psig (172 barg).

  • Flow rates from 9 to 90 gph (34 to 336 lph)
  • Discharge pressures to 3450 psi (238 bar)
  • 100:1 turndown ratio
  • Variety of seal and plunger materials available
  • Dual acting pneumatic relay used to cycle pump
  • Pneumatic pumps are often the choice for FPSO (floating, production, storage, and operating vessel due to limited space and electrical power)
Models Plunger Diameter (Inch) Piston Diameter (Inch) Maximum Volume Maximum Air Pressure AMP Ratio Strokes Per Minute (SPM) Volume Per Stokes (cc) Stroke Length (Inch) Maximum Air Usage At Max Volume Approx. shipping Weight
100 PSI 6.9 Bar 150 PSI 10.3 Bar
Gal./Hr. Liter/Hr. PSI Bar SCF/D SCM/D SCF/D SCM/D Lbs. Kg.
CRP1500W400 1 1/2 4 22.90 86.40 950 66 4:1 1-40 36.0 1 1/4 8,170 231 11,732 332 33 15.0
CRP1500W600 1 1/2 6 22.9 86.40 1800 124 13:1 1-40 36.0 1 1/4 18,384 520 26,398 455 36 17.7
CRP1500W800 1 1/2 8 22.90 86.40 3200 221 23:1 1-40 36.0 1 1/4 32,683 925 46,931 1,328 44 20.0
CRP2250W600 2 1/4 6 90.00 336.00 1000 69 6:1 1-35 160.0 2 1/2 32,173 911 46,197 1,308 59 26.8
CRP2250W800 2 1/4 8 90.00 336.00 1659 114 12:1 1-35 160.0 2 1/2 57,196 1,619 82,129 2,325 84 38.2
CRP2250W1000 2 1/4 10 90.00 336.00 ? ? 12:1 1-35 160.0 2 1/2 57,196 1,619 82,129 2,325 84 38.2

 

NOTE : (1) The minimum volume recommended for any pump should be calculated on the basis of 1/4 inch minimum stroke length per minute minimum speed with controller, or 1 stroke per minute with solenoid.

(2) The maximum discharge pressure is achieved using 150 PSI (10.3 BAR) air/gas supply pressure.

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