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Prominent dosing pumps offer external control of the pump output by automatically varying the frequency or number of stokes the pump makes per minute.
The pumps control signal may be by external pacing pulses from a water meter or pH controller with the ability to multiply or divide the pulsed signal.
Injection fitting (NRV)
Suction foot (NRV)
Suction tube 2m
Injection tube 2m
Powered ON/OFF or Switch manually through controller
Optional external control via 0/4 – 20 mA and potential-free contacts with pulse step-up and step-down of 32:1 to 1:32 (Division and Multiplication)
Control with internal frequency or
External control through separately priced control cable
Water Meter Direct
Boiler Feed Pump
Controller
Recirc On Tower etc.