Metering pumps

Feature Positive displacement solenoid driven metering pumps, compact, durable and reliable. A variety of alternative models, measurement range from 0.7 23l / h, pressure 16 1.5bar. Variety with good resistance to chemical corrosion of the pump head material to choose from. Stroke length can be manual knob on the front panel membership from 0 to 100% continuously. Stroke frequency control in various forms: Manual adjustment to achieve three fixed measurement frequency: 100%, 50%, 25%; External passive contact signal control or 100%, 50% two fixed frequency options; External Analog 4 20mA current signal control or 100%, 50% of the two fixed frequencies optional. Protection level locking: Then a medicine cabinet level when the system time, according to liquid level alarm signal, metering pumps can automatically stop working, to avoid idling.