Low-pressure pumps

Type: Na, Nak

Capacity:

DN [mm]40-500
PN [bar]< 40
Q [m³/h]30-3300
H [m]8-170
t [°C]< 130
n [min-1/rpm]750-3000

Design:

Horizontal, single-stage volute-casing pump. Overhung impeller with balance holes and wear rings at both ends (process design).

Applications:

Power stations, chemical industry, mining, environmental facilities, drinking water, shipbuilding /shipyards, fire-extinguishing systems, sugar mills

Type: Nat

Capacity:

DN [mm]40-500
PN [bar]< 40
Q [m³/h]30-3300
H [m]8-170
t [°C]< 130
n [min-1/rpm]750-3000

Design:

Horizontal, single-stage volute-casing pump. Overhung impeller with balance holes and wear rings at both ends. Pump feet arranged at centre of casing.

Applications:

Power stations, chemical industry, environmental facilities and district-heating systems

Type: Nd, Ndl

Capacity:

DN [mm]200-500
PN [bar]< 40
Q [m³/h]40-3500
H [m]40-200
t [°C]< 130
n [min-1/rpm]1500-2000

Design:

Horizontal, single-stage volute-casing pump without/with diffuser and double-suction impeller. Shaft supported at both ends in casing

Applications:

Power stations, district-heating systems, water supply, environmental facilities

Type: Ndlt

Capacity:

DN [mm]200-500
PN [bar]< 40
Q [m³/h]400-3500
H [m]40-135
t [°C]< 130
n [min-1/rpm]1500-2000

Design:

Horizontal, single-stage volute-casing pump with diffuser and double-suction impeller. Shaft supported at both ends in casing. Pump feet arranged at centre of casing

Applications:

Power stations

Type: Nvz

Capacity:

DN [mm]40-500
PN [bar]< 40
Q [m³/h]30-3300
H [m]8-10
t [°C]< 130
n [min-1/rpm]750-3000

Design:

Vertical, single-stage ring-section-casing pump with intermediate shafts for any desired installation depths. To take up pump rotor weight, motor bell housing is fitted with integral ball-type thrust and guide bearing

Applications:

Power stations, chemical industry, mining, environmental facilities and fire-extinguishing systems

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