DAB NKM 40-250 Instruções de instalação e manutenção - Página 5
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CONTENTS
1.
1.1.
2.
3.
4.
5.
5.1.
5.2.
5.3.
6.
6.1.
6.2.
6.3.
6.3.1
6.3.2
6.3.3
7.
8.
9.
10.
11.
12.
12.1.
12.2.
12.2.1
12.3.
12.4.
12.4.1
12.4.2
13.
14.
1.
GENERAL
The pump may be installed in either horizontal or vertical position, as long as the motor is always above the
pump.
1.1.
Pump description:
Example:
Type range:
TWO-POLE MOTOR = P
FOUR-POLE MOTOR = M
With standardised motor and coupling
Nominal diameter of discharge port
Nominal impeller diameter
Actual impeller diameter
Cod for materials:
A = Cast iron
B = Cast iron with bronze impeller
Wear rings ( only when there is )
Code for shaft seal:
Motor power in kW
Poles:
4 = 4 poles
2 = 2 poles
2.
APPLICATIONS
Single-stage stub shaft type centrifugal motor-driven pumps with a spiral body, dimensions in accordance with DIN 24255 - EN 733 and flanged DIN
2533 (DIN 2532 per DN 200). Designed and built with advanced characteristics, they are outstanding for their particular performances which ensure
maximum yield while guaranteeing absolute reliability and sturdy construction. They cover a wide range of applications, such as water supply,
circulation of hot and cold water in heating, air-conditioning and refrigerating systems, transfer of liquids in agriculture, market gardening and industry.
Also suitable for use in fire-fighting sets.
3.
PUMPED FLUIDS
The machine has been designed and built for pumping clean, pure and aggressive fluids, on condition that in the latter
case the compatibility of the pump construction materials is checked and that the motor used has sufficient power for
the specific gravity and the viscosity of the fluid.
ENGLISH
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