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Home / Products / Pumps / Roper Pumps / Helical Gear Pump - Z Series

Helical Gear Pump - Z Series


A reliable performer, Roper Pumps' "Z" Series is open to easy maintenance and has a wide choice of seals.

  • Excellent for mixing, blending and recirculating a variety of fluids
  • Ideal for the chemical and petroleum markets


Helical Gear Pump (Z Series) Features:
  • Cast iron helical gear pump
  • Two-piece backplate for flexible sealing options
  • Many parts interchangeable with 3600 series
  • Differential pressures to 125 PSI
  • Up to 165 GPM
  • 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
  • Cast construction
  • Flush/Drain ports on seal housing


  • Relief valve
  • Port locations
  • Outboard bearing
  • Internal relief valve
  • ANSI flanges
  • Single, double and cartridge options
  • Integral relief valve and integral gear reducer
  • Outboard bearing, depending on drive and seal arrangements