CALPEDA NG Self Priming Deep Well Jet Pumps.

Applications

• For drawing water out of a well.
• When the water level is deeper than 8m.
• When it is more convenient to have the pump on the surface rather than a submersible pump in the borehole.

Construction

• Close coupled deep well jet pumps with external ejector.

Operating Conditions

• Liquid temperature up to 40°C.
• Room temperature up to 40°C.
• Total suction lift up to 45m.
• Continuous duty.

Materials

Components	NG 29-30-31	NG 32E
Pump casing Cover with lantern bracket, Diffuser plate & Ejector casing.	Cast iron GJL 200 EN 1561
Diffuser	Polycarbonate	Cast ironGJL 200 EN 1561
Impeller	Brass P-Cu Zn 40 Pb2 UNI 5705
Shaft	Cr-Ni steel 1.4305 EN 10088 (AISI 303)
Mechanical seal	Carbon-Ceramic

Motor

• 2 Pole induction motor, 50Hz (n=2900 1/min)
• NG : 3ph 230/400V
• NGM : 1ph 230V, with thermal protector.
• Insulation class F.
• Protection IP54.

Special features on request

• Other voltages.
• Frequency 60Hz.
• Protection IP55.
• Special mechanical seal.
• Higher liquid or ambient temperatures.
• Pipes with right-left fittings, for pump connection.

Please click here for a technical data sheet (43kb)