Internal Gear Pumps
ZI Green Series
Internal Gear Pump – the Economical Solution
![ZI Green Series by Zeilfelder Pumpen](https://www.zeilfelder-pumpen.com/wp-content/uploads/2022/05/prod_zi_gear_pump_2.jpeg)
With our economical internal gear pumps we offer interesting solutions for standard pressure applications.
Pressure: up to 14 bar
Efficiency: up to 90%
Viscosity: 1 to 55.000 mPas (higher value upon request)
Flow rates: 10 up to 4.120 l/min (0,1 to 250 m³/h)
Suction lift: up to 4 m
Temperature: -40 to 300°C
ZV 150 Series
Replacement for HERMETIC HP and MHP internal gear pumps
![ZV 150 Series by Zeilfelder Pumpen](https://www.zeilfelder-pumpen.com/wp-content/uploads/2022/05/zv_150_hermetic_hb_mounting.jpeg)
ZEILFELDER’s ZV pumps can be installed in existing piping systems and deliver the same performance as the HERMETIC HP Series.
Pressure: up to 12 bar
Viscosity: 1 to 1.000.000 mPas (higher on request)
Flow rate: 16 up to 1.000 l/min (1 bis 60 m³/h)
Temperature: -20 up to 200°C