Gear Pumps
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
- Excellent for mixing, blending and recirculating a variety of fluids
- Ideal for the chemical and petroleum markets
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
Options
- ANSI flanges
- Single, double and cartridge options
- Integral relief valve and integral gear reducer
- Outboard bearing, depending on drive and seal arrangements
Z Series
| No. | 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
| No. | Housing | Gears | Bearings | Shaft | O-rings | |
|---|---|---|---|---|---|---|
| - | Ductile Iron | Hardened Steel | Bronze | - | - |
Key Features
Standard
- 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
Optional
- Relief valve
- Port locations
- Outboard bearing
- Internal relief valve
Z Series Performance Range
| No. | Capacity | Pressure | Viscosity | Temperature |
|---|---|---|---|---|
| 0 - 38 m3/hr | 0 -17 Bar | 1 - 55,000 cSt | -50° - 230° C | |
| 0 - 165 GPM | 0 -125 PSI | 28 - 250,000 SSU | -60° - 450° F |
