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MIA EA series: mechanical diaphragm pump with electric actuator for automatic flow rate adjustment

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EA actuator automatically adjusts flow rate proportionally to control signal (typically a 4-20 mA command) and guarantees optimal operator convenience, precision control and high energy efficiency with minimal operating noise. The EA series actuator can also be installed on our FUL series plunger pumps.

EA actuator changes the pump flow rate adjusting the length of the stroke. Therefore, the number of doses remains constant, while the size of each dose is reduced. A typical application is in processes requiring the automatic pH control: a pH-meter downstream of the pump sends feedback to a PLC. This converts the value in a 4-20 mA signal to the EA actuator commanding to adjust the stroke according to the required pH value. The EA actuator changes the stroke of the pump modifying in this way the flow rate of the injected chemicals and as final result adjusting the pH of the entire process.

Suitable for acids and alkalines, MIA EA series reliable and convenient design allows safe and leak free operations of medium requiring minimum maintenance.

Actuator properties:

-4-20 mA or 0-10 V control

-Synchronous motor with electronic control unit and load-dependent cut-off

-Crank handle for external manual adjustment with motor cut-off

-Power supply 24 V~ or 24 V=

-Three-piece housing of flame retardant yellow/black plastic and seals with degree of protection IP54

-Electrical connections (max. 1.5 mm²) with screw terminals

-Two break-out cable inlets for metric screw fittings made of plastic M20 × 1.5

Pump performances:

-Flow rate: up to 1000 l/h

-Pressure: up to 8 bar (or 12 with 0.37 kW motor)

Standard Motors:

-3 PH 0.18 kW or 0.37 kW

-1 PH 0.37 kW

Liquid end standard executions:

-Reinforced polypropylene, PVC, AISI 316L or PVDF

-Customized executions availbale on demand

Connections:

-1/4", 3/8", 1" Bspf or NPT

-UNI or ANSI flanges

MIA EA series: mechanical diaphragm pump with electric actuator for automatic flow rate adjustment

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