The most important difference in the construction of the pump is that the motor and the control electronics are separated from each other. The motor complies with IP class 67 because the pump does not need a cooling fan. The electronics can be assembled in an easily accessible place and can be controlled remotely in a number of ways. The control cabinet, pump and cable are fully EMC-shielded.
The extremely efficient design of the pump has been retained. This means that hydraulic, motor and control electronics losses are all minimised.
The maximum efficiency of the hydraulics at full load is above 85%, that of the motor above 94% and for the control above 98%. The motor suffices with regard to the most recent, not yet officially released IE6 standard for energy efficiency.
The hydraulics in the Junior are, just like in the other FlowFriend pumps, made of 316 stainless steel and of the mixed-flow type. This means a pump head of up to 5.5 metres and a flow adjustable to 40 m3/h so the pump has a large area of application for efficient use. The pump is fully adjustable (500-3000 rpm) using an external control system.
The control electronics
The FlowFriend is supplied with short-circuit resistant control electronics and has as standard:
• short-circuit resistance
• internal EMC filter
• Modbus RTU
• analogue inputs (0-10V/0-20mA/4-20mA)
• digital inputs
The power consumption can also be read off with this control unit. The Junior can be remotely controlled using the many analogue and digital inputs.
|Country of manufacture||Netherlands|
|Pressure max.||5,5 m|
|Max. flow (m3/hour)||40|
|Material||aisi 304 stainless steel|
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