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GraymillsModel SG Series -Industrial Gear Pumps

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Materials: Pump Body and Volute: Cast Iron. Gears: Hardened Steel. Bearings:  Bronze with Oilite.

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  • Gear pumps designed for high-pressure applications
  • Consistent flow and pressure
  • Ideal for liquids containing lubricating properties and are relatively free of abrasives and scale
  • Provide up to 70 PSI and 3 GPM
  • Self-priming
  • Five models to provide progressively higher flow rates and head pressures
  • Can be combined with tanks to provide a complete, ready-to-install pumping system
  • SG1: 1/25 HP, 1500 RPM, Maximum pressure: 22 PSI, 3/8” NPT vertical  discharge, Maximum viscosity: 100 SSU
  • SG2: 1/8 HP, 1725 RPM, Maximum pressure: 40 PSI, 3/8” NPT vertical discharge, Maximum viscosity: 500 SSU
  • SG4: 1/4 or 1/2 HP, 1725 RPM, Maximum pressure: 1/4 HP – 50 psi, 1/2 HP – 70 PSI, 3/8” NPT vertical discharge, Maximum viscosity for both: 500 SSU