Nocchi NRB2 50x160B Инструкция по эксплуатации онлайн

NOCCHI

STANDARDIZED CLOSE COUPLED CENTRIFUGAL PUMPS (2  4 POLE)

NRB

RUGGED AND RESISTANT, WIDE RANGE

The electric pumps in the series

NRB are single stage centrifugal

on a horizontal axis, and designed

in compliance with the standard

EN733/DIN24255 to ensure maximum

interchangeability of components.

The impeller is dynamically and

hydraulically balanced. The shaft is

specially oversized to ensure stability

and is supported by rugged ball

bearings lubricated in grease.

• Aqueducts

• Irrigation

• Water distribution

• Industrial applications

APPLICATIONS

APPLICATION DATA

• Pumped liquid temperature:

• -10°C / +130°C.

• Flow rate up to 330 m3/h.

• Head up to 95 m.

• Max. pressure on intake: 4 bar.

• Maximum operating pressure: 10 bar.

• Operating temp.: -10°C / +130.

• Closed, ventilated from exterior.

• Protection rating IP 55.

• Construction design B3.

• Insulation class F.

• Three phase power supply.

• Rotation speed 2850 rpm.

• Continuous duty.

MOTOR

TABLE OF MATERIALS

Component Material

Pump body Cast iron EN GJL 200 (ex G20)

Motor bracket Cast iron EN GJL 200 (ex G20) Bronze on request

Body cover Cast iron EN GJL 200 (ex G20)

Pump support Cast iron EN GJL 200 (ex G20)

Shaft Stainless steel AISI 420

Mechanical gasket Ceramic/Graphite/EPDM - Carbide/Carbide/EPDM (on request)