Z Series

Z Series

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

Reliable and Versatile

Applications Features Options
  • Excellent for mixing, blending and recirculating a variety of fluids
  • Ideal for the chemical and petroleum markets
  • 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
  • ANSI flanges
  • Single, double and cartridge options
  • Integral relief valve and integral gear reducer
  • Outboard bearing, depending on drive and seal arrangements

Z Series

 

Pump
Model		 Theoretical Capacity Maximum
Speed		 Maximum Flow at Maximum
Speed (0 Discharge Pressure)		 Maximum Pressure Port
Connection
Z11 .11GPR (416.4 CC/REV) 750 RPM 82.5 GPM (18.7 M3/HR) 125 PSI (8.6 Bar) 2″ NPT
Z17 .17 GPR (643.5 CC/REV) 750 RPM 127.5 GPM (29.0 M3/HR) 125 PSI (8.6 Bar) 3″ NPT
Z22 .22 GPR (832.8 CC/REV) 750 RPM 165 GPM (37.5 M3/HR 125 PSI (8.6 Bar) 4″ NPT

Materials of Construction

 

Housing Gears Bearings Shaft O-rings
Ductile Iron Hardened Iron Bronze

Key Features

 

Standard Optional
  • 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

 

Z Series Performance Range
Capacity 0 — 38 m3/hr 0 — 165 GPM
Pressure 0 -17 Bar 0 -125 PSI
Viscosity 1 — 55,000 cSt 28 — 250,000 SSU
Temperature -50° — 230° C -60° — 450° F