Coelbo Drives

The automation of booster systems, with one or more electric pumps, can be carried out with several coelbo basic systems for managing the start, operation and stop of the electric pump, which are briefly described in the sections:
Coelbo Pump protection devices for overload, rapid cycling and dry running.
For full Coelbo catalogue see bottom of the page for a link.
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2022 Catalogue 6.4MB

COELBO INVERTER
Also known as frequency converter, it keeps constant pressure independently of the flow demand.
It avoids "water hammer" effect because both start and stop of the pump are carried out progressively, allowing, in some cases, to be installed without the hydro pneumatic expansion tank.
Products: Speedmatic Speedbox Speedboard

Coelbo Inverters

PRESSURE+FLOW DEPENDENT
The pump can be started in two different ways: Flow demand on the installation causes a pressure fall or when the flow sensor is activated by circulation of fluid.
This system does not need the traditional accumulator tank and if the flow is constant, the pressure will keep constant, if there is a flow variation the pressure will change accordingly to the flow curve of the pump.

Products: Controlpump Controlmatic Compact Optimatic Optiplus Digimatic Digiplus Onematic Onematic easy

PRESSURE-DEPENDENT
The pump starts when the flow demand on the installation causes a pressure fall, and the pump stops when it reaches the pre-established maximum value of pressure.
This system needs an air storage tank and the provided pressure is not constant, but it changes between pre-established values.

Products: Multimatic Onematic Onematic easy Switchmatic Switchmatic 2T Switchmatic 2 T-Kit

Coelbo Pressure On Demand

Coelbo Safematic and Coelbo Switchmatic, Switchmatic 2, Switchmatic 2T, Pump Protection.

Coelbo Pump Protection

Coelbo Pressure Switch

Coelbo Pipe fittings for the demand switches and inverters

Coelbo Accessories

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