Gear Pumps

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Roper Z-Series Gear Pumps

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Roper - Z-Series - Gear Pumps

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Product Brochure
The Z Series is a cast iron helical gear pump that has a cast construction and flush/drain ports on its seal housing. It has a two-piece backplate for flexible scaling options, and many of its parts are interchangeable with the 3600 Series.

  • Helical Gears for Quiet Operation
  • Bi-Directional Rotation
  • Option for Integral Gearbox
  • Two-Piece Backplate Design for Flexible Seal Options
  • Seal Flexibility – Single, Double or Cartridge
Standard Construction Materials:
  • Cast iron housing standard
  • Hardened steel shafts
  • Hardened steel gears
  • Helical gears for quiet operation
  • Single mechanical seal
  • Wear-resistant bronze bearings
Configuration Options:
  • Optional pressure relief valve
  • Flange facing to accept ANSI flanges
  • Single, double and cartridge mechanical seal
  • Outboard bearing, depending on drive and seal arrangements
Typical Applications:
  • Mixing
  • Transfer
  • Blending
  • Recirculation
ModelCapacityMax SpeedMax FlowMax PressureTemp RangesPort Connection
Z11.11 GPR (.42 LPR)750 RPM82.5 GPM (312.3 LPM)125 PSI (8.6 Bar)Up to 450°F2" NPT
Z17.17 GPR (.64 LPR)750 RPM127.5 GPM (482.6 LPM)125 PSI (8.6 Bar)Up to 450°F3" NPT or Flange Facing for ANSI Flange
Z22.22 GPR (.83 LPR)750 RPM165 GPM (624.6 LPM)125 PSI (8.6 Bar)Up to 450°F4" NPT or Flange Facing for ANSI Flange

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