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Dab Pumps KDN

Standardised centrifugal pump

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Dab Pumps

Mestrino, Italy
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Overview
Name of product/article

KDN

Type

Standardised centrifugal pump

Standardised centrifugal single-stage pumps, designed for a wide range of applications, such as: 
Water supply.
Hot water circulation for the heating system.
Circulation of cold water for air conditioning and refrigeration systems.
Transfer of liquids in agricultural, horticultural, and industrial environments.
Installation of pumping assemblies.
They can be coupled, using an elastic joint (standard or spacer), to a 2-pole or 4-pole electric motor, and installed on a formed metal sheet base in accordance with UNI EN 23661. 

TECHNICAL DATA
Rotation speed: 1450 - 2900 1/min.
Operating range:
from 1 to 470 m3/h with head up to 143 metres.
Pumped liquid: clean, free of solids and abrasives, non-viscous, nonaggressive, non-crystallised and chemically neutral, with properties similar to water.
Pumped liquid temperature range: from -10°C to +140°C.
Maximum ambient temperature: +40 °C.
Maximum operating pressure:
16 bar - 1600 kPa (for DN 200 max 10 bar).
Flanging: PN 16 DIN 2533
PN 10 DIN 2532 for DN 200
Installation: normally in the horizontal position.
Special executions on requests: pumps for liquids other than water.
Packing (also externally powered).
Other voltages and/or frequencies.

CONSTRUCTION FEATURES OF THE PUMP
Cast iron single stage spiral body complying with DIN-EN 733 (formerly DIN 24255), seal holder cover and cast iron motor support, flanges complying with DIN 2533 (DIN 2532 for DN 200). Cast iron impeller, closed and dynamically balanced, with compensation of the axial thrust through balancing holes, operation on interchangeable wear rings (on request). Stainless steel pump shaft supported by two permanently lubricated oversized ball bearings, housed inside an appropriate chamber in the support. Standard seal device: standardised mechanical seal according to DIN 24960 in carbon/silicon carbide with EPDM OR rings. Packing with lubricating hydraulic ring and stuffing box in two easily removable parts available on request.

Further info from manufacturer on KDN

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