NHU

NHU

The NHU pumps are innovative pumps of NHT series. Pumps are intended for pumping clean or slightly mechanically polluted fluids with contain compact of dry solids non-abrasive particles up to 2% of the weight, or with contain of do 5% of liquid weight up to 180°C, density 1 050kg/m3 and acidity 6,5 – 7,5 pH.

Application

Pumps are intended for pumping clean or slightly mechanically polluted fluids with contain compact of dry solids non-abrasive particles up to 2% of the weight, or with contain of do 5% of liquid weight. The pumps are intended for transport of clear, well and fluvial water, of condensate in hot-water heating systems. They are applicable for pumping petroleum products too.

Construction

The NHU pumps are centrifugal, single-stage, volute pumps.
Hydraulic part consists of volute casing, there is a closed impeller with single-sided water inlet, with front and back wearing ring and with relieving holes.
Mechanical part consists of bearing pedestal, where is placed shaft in two radial bearings. Bearings are lubricated with oil. Design of the NHU pump enables the pump disassembly starting from the pump drive (electric motor) side, without disassembly of suction and discharge pipeline. The sense of the pump shaft rotation is clockwise facing the pump from the side of drive.
The standard execution of the pump is the execution with the soft packing - flooded, closed, flushed,
drained. For all pumps is possibility of mechanical seal application.

Execution

OL - volute, pump cover - cap steel, other parts - grey cast iron, shaft - constructional steel, impeller nut - steel, wearing rings - cast iron
Application of other materials as presented is possible after convention with manufacturer.

Delivery range

pump with free shaft end
pump with electric motor on base plate
with alternative power according to individual requests of customer

Spiral

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