Calpeda Close-coupled self-priming shallow well jet pumps with built-in ejector. - Ngx

Applications

For drawing water out of a well.

For lifting water containing air or other gases.

For increasing network pressure (follow local specifications).

For increasing water pressure from flooded suction applications.

For garden use.

For washing with a jet of water.

Operating conditions

Liquid temperature: 0 °C to +35 °C.

Ambient temperature up to 40 °C.

Maximum permissible pressure in the pump casing: 8 bar.

Continuous duty (S3 60% for single-phase pump to 1,5 kW).

Motor

2-pole induction motor, 50 Hz (n ≈ 2800 1/min).

NGX: three-phase 230/400 V ± 10%.

NGXM: single-phase 230 V ± 10%, with thermal protector.

Capacitor inside the terminal box.

Insulation class F.

Protection IP54.

IE2 efficiency class for single-phase motors up to 1,1 kW.

IE3 efficiency class for three-phase motors (IE2 up to 0,65 kW).

Constructed in accordance with EN 60034-1; EN 60034-30-1.

EN 60335-1, EN 60335-2-41.

Special features on request

Other voltages.

Frequency 60 Hz (as per 60 Hz data sheet).

Brass impeller.

Designation

NGXM 6/18/A

NGX = Series

M = Single-phase version (no indication: three-phase)

6 = Progressive type number

18 = Ejector type

/A = It refers to a revision

Materials

Component                                                             Material

------------------------------------------------------------------------------------------------------------

Pump casing                                                           Chrome-nickel steel 1.4301 EN 10088 (AISI 304)

Casing cover                                                           Chrome-nickel steel 1.4301 EN 10088 (AISI 304)

Impeller                                                                 Brass CW617N EN 12165 (Noryl PPO-GF20 for NGX 2/80, 3/100, 4/110)

Wear ring impeller-diffuser                                       Chrome-nickel steel 1.4301 EN 10088 (AISI 304)

Diffuser                                                                  Noryl PPO-GF20

Ejector                                                                   Noryl PPO-GF20

Shaft                                                                     Steel 1.4104 EN 10088 (AISI 430F)

Shaft                                                                     Steel 1.4305 EN 10088 (AISI 303). NGX 6

Mechanical seal                                                      Carbon - Ceramic - NBR