Description pump 2CM
Extremely quiet single-impeller centrifugal pumps suitable for domestic and industrial applications. The extremely flat curve guarantees almost constant pressures as the flow rate changes.
Extremely silent single-impeller centrifugal pumps suitable for civil and industrial domestic applications. There extremely flat curve guarantees almost constant pressures as the flow rate varies.
Single impeller centrifugal pumps, extremely silent suitable for household, civil and industrial applications, with a very flat curve to guarantee constant pressure at the variation of the flow.
Extremely quiet single-impeller centrifugal pumps suitable for domestic civil applications and industrial with an extremely flat curve; guarantee almost constant pressures when the caudal
Very quiet single-impeller centrifugal pumps, suitable domestic, civil and industrial applications. The very flat characteristic curve guarantees pressures almost constant in case of variation of the flow.
Line of automatic pressurization groups
composed of 2 pumps or 3 pumps with pressure switch
control.
by 2 pumps or 3 pumps with pressure switch control.
COMPOSITION OF THE PRESSURE BOOSTER UNIT
– Horizontal axis monobloc electric pumps.
– Suction and delivery manifolds in steel, threaded and galvanized, with sleeves for delivery membrane tanks.
– Group base and support for electrical panel in galvanized steel.
– A check valve for each electric pump mounted on the suction side.
– Ball valves with union mounted one in suction and one in delivery of each electric pump.
– Pressure gauge with radial connection.
– Electrical cabinet.
– Pre-set pressure switches mounted on the delivery manifold and directly connected to the electrical panel.
– On request: membrane autoclave tanks, shut-off valves.
GROUP ELECTRICAL PANEL COMPOSITION
– Casing in ABS plastic material, protection degree IP 55, full of tear-proof cable glands.
– General safety door lock switch.
– 1 x 230V single-phase, 3 x 400V three-phase mains input.
– Very low voltage inputs for command from pressure switches (with anti-bounce system) and minimum float.
– Electric pump protection fuses.
– Auxiliary protection fuses.
– Automatic-off-manual electric pump operation buttons le (manual only momentary).
– Green LEDs for voltage presence, automatic operation, electric pumps in operation.
– Red LEDs for min / max water level alarm, electric pumps in protection due to overload.
– Adjustable electronic pump overload protection.
– Protection reset buttons.
– Built-in electric pump alternation circuit.
– Internal selector for exclusion of alternation of electro pumps.
– Possibility of exclusion of a faulty electric pump.
– Alarm output with exchange contact.
– Non-propagating flame retardant electric cables for connection electric pumps and pressure switches.
– Operating wiring diagram
| Pump body | cast iron |
|---|---|
| Motor Bracket/Seal Plate | cast iron, cast iron or aluminium (CM 75÷100) |
| Impeller | noryl®(CM45), noryl® or brass (CM50-314), brass (CM 400-550) |
| Mechanical seal | Ceramic/Graphite/NBR |
| Pump shaft end | stainless steel AISI 416 (CM 45÷100), stainless steel AISI 304 (CM 164÷550) |
| Liquid temperature | noryl® impeller or aluminium bracket 0 – 50 °C, brass impeller 0 – 90 °C |
| Operating pressure | max 6 bar (CM 45÷100), max 8 bar (CM 164÷550) |
| Manifold | Stainless Steel, theated and galvanized |
| 2 poles induction motor | 3~ 230/400V-50Hz 1~ 230V-50Hz |
|---|---|
| Insulation class | F |
| Protection degree | IP44 |
