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

Applications

For drawing water out of a well.

For increasing network pressure (follow local specifications).

For clean liquids or slightly dirty surface water.

For garden use.

For washing with a jet of water.

Operating conditions

Liquid temperature up to 40°C.

Ambient temperature up to 40°C.

Maximum permissible working pressure up to 10 bar.

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

Motor

2-pole induction motor, 50 Hz (n ≈ 2900 rpm).

NG: three-phase 230/400 V ± 10%.

NGM: 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 0,66 kW).

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).

Protection IP 55.

Special mechanical seal.

Designation

BNGM 5/16/A

B = Bronze version (no indication: the pump is in the Cast Iron version)

NG = Series

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

5 = Progressive type number

16 = Diameter of Venturi body

/A = It refers to a revision

Materials

Components                                                        NG                                                      BNG

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Pump casing                                                       Cast iron GJL 200 EN 1561                    Bronze CC480K EN 1982

Casing cover                                                      Cast iron GJL 200 EN 1561                     Bronze CC480K EN 1982

Diffuser plate                                                     Cast iron GJL 200 EN 1561                     Bronze CC480K EN 1982

Impeller                                                            Brass CW617N EN 12167                        Brass CW617N EN 12167

Shaft                                                                Steel 1.4104 EN 10088 (AISI 430F).        NG 3-4 Stainless Steel 1.4401 EN 10088 (AISI 316)

Shaft                                                                Steel 1.4305 EN 10088 (AISI 303).          NG 5-6-7 Stainless Steel 1.4401 EN 10088 (AISI 316)

Diffuser                                                            Noryl PPO-GF20                                      Noryl PPO-GF20

Nozzle                                                              Noryl PPO-GF20                                      Noryl PPO-GF20

Mechanical seal                                                 Carbon - Ceramic - NBR                          Carbon - Ceramic - NBR