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    Calpeda Single-impeller submersible pumps, (with two-passage) with channels impeller - Gqn
    Calpeda Single-impeller submersible pumps, (with two-passage) with channels impeller - Gqn

    Calpeda Single-impeller submersible pumps, (with two-passage) with channels impeller - Gqn

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    Construction
    Single-impeller submersible pumps, (with two-passage) with channels impeller and vertical threaded delivery port (G 2").
    Double mechanical shaft seal with interposed oil chamber, to protect against dry-running.

    Phase :
    Model :
    H (m) = Total head :
    Q = Flow :
    Applications
    For civil and industrial wastewater that is not aggressive to the pump materials, for dirty water even with solids with a diameter of 50 mm.
    Emptying of flooded rooms or tanks.
    Water extraction from ponds, flowing streams, or pits for rainwater collection.
    Operating conditions
    Maximum liquid temperature: 35 °C
    pH value: 6-11.
    Immersion depth: 5 m max
    Minimum immersion depth: 275 mm.
    Continuous duty (with submerged motor).
    Motor
    2-pole induction motor, 50Hz (n ≈ 2900 1/min).
    GQN: three-phase            230V ± 10%
                                            400V ± 10%
    Cable: H07RN-F, 4G1 mm2, length 10 m, without plug.
    GQNM: single-phase        230V ± 10%
    with float switch and thermal protector.
    Incorporated capacitor
    Cable: H07RN-F, 3G1 mm2, length 10 m, with plug CEI-UNEL 47166.
    Insulation class F.
    Protection IP X8 (for continuous immersion).
    Triple impregnation humidity-proof dry winding
    Constructed in accordance with EN 60034-1, EN 60335-1, EN 60335-2-41.
    Special features on request
    Other voltages.
    Frequency 60 Hz (as per 60 Hz data sheet).
    Cable length 20 m.
    Motor suitable for operation with frequency converter.
    Three-phase pumps with incorporated float switch.
    Designation
    Example: GQNM 50-15
    GQ = Series
    N = channels impeller
    M = Single-phase (without three-phase indication)
    50 = Free passage diameter in mm
    15 = Total head in m indoors
    Materials
    Components Materials
    Pump casing Cast iron GJL 200 EN 1561
    Impeller Cast iron GJL 200 EN 1561
    motor jacket Chrome-nickel steel 1.4301 EN 10088 (AISI 304)
    Jacket cover Chrome-nickel steel 1.4301 EN 10088 (AISI 304)
    Casing cover Chrome-nickel steel 1.4301 EN 10088 (AISI 304)
    Handle Polypropylene (with frame made of 1.4301 EN 10088 (AISI 304))
    Shaft Chrome-nickel steel 1.4301 EN 10088 (AISI 304)
    Upper mechanical seal Ceramic / Carbon / NBR
    Lower mechanical seal Ceramic / Carbon / NBR
    Seal lubrication oil Oil for food/pharmaceutical machinery
    GQN 50-13

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    Calpeda Single-impeller submersible pumps, (with two-passage) with channels impeller - Gqn