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NL

NL

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The NL range of pumps are single-stage horizontal centrifugal pumps, with axial suction and radial discharge, built to Standard ISO-2858 (DIN-22858), evolved as a result to applying technological innovation to the design and manufacture of the pumps for industrial processes.

The NL Series covers a total of 41 models with closed impeller, based of 34 pump sizes, where each different size allows for one or two types of impeller (A or B).

These pumps are based on the sturdy design of NM series (medium duty), and they are designed to work in processes with divers types of liquids and with appropriate materials and mechanical seal. The charac- teristics of the NL Series are:

– Maximum flow: …………………………………… 700 m3/h
– Maximum height differential …………………. 100 w.c.m. – Maximum casing pressure (at 20 oC)

– High hydraulic efficiency.
– Sturdy design (24/24 hours).
– Wide variety of materials available, according to the liquid being pumping. – Different sealing systems with standardized channels.
– Different seal cooling plans.
– Modular pumps (component versatility).
– Standardized parts with high degree of interchangeability.
– Minimal and rapid maintenance.

* Executions 00, 01, 02 and 03: ……………. 10 Kg/cm2
– Maximum suction pressure ………………….. 5 Kg/cm2
– Maximum speed …………………………………. 3.600 r.p.m.
– Maximum temperature ………………………… 140 oC
– Maximum viscosity ……………………………… 20 cSt (2,9 oE)

Although these pumps are normally driven by electric motor mounted on a bed frame, other power drive sources may be used (diesel engine, steam turbine, hydraulic motor, …).

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