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KDN 150 (1 450 rpm) – DIN-EN 733 horizontal pump, mounted on a baseplate, DN 150

Standardized single-stage pump to DIN-EN 733, mounted on a baseplate with a flexible coupling. DN 150 discharge / DN 200 suction. 4-pole (1 450 rpm). Casing size 200, motor options up to 132 kW. GG25 cast iron, AISI 420 shaft. PN 10 flanges.

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Product description

KDN 150 (1 450 rpm) is a standardized horizontal single-stage pump in accordance with DIN-EN 733, supplied mounted on a baseplate with a flexible coupling. The nominal discharge nozzle diameter is DN 150 and the suction nozzle diameter is DN 200. Flanged connections: PN 10 in accordance with DIN 2532 (unlike the smaller models, which are PN 16).

The volute casing is made of GG25 cast iron (UNI ISO 185), and the shaft is made of AISI 420 stainless steel. The impeller is made of GG25 cast iron and dynamically balanced. Standard carbon/silicon carbide mechanical seal with Viton O-rings in accordance with DIN 24960. Gland packing available on request (PTFE-impregnated ramie).

Available as a hydraulic end / wet end (bare shaft), a pump mounted on a baseplate without a motor, or a complete unit with motor. Available only with a 4-pole motor (1 450 rpm). Fluid temperature: -10 °C to +140 °C; maximum operating pressure: 10 bar.

KDN 150 (1 450 rpm) is the largest model in the KDN range, with motors up to 132 kW—the highest available power rating across the entire SACI range of horizontal pumps. Its DN 150/200 connections deliver maximum flow rates while keeping flow velocities in the piping very low.

Main technical specifications

ParameterValue
Model rangeKDN 150 (1 450 rpm) (SACI pumps)
StandardDIN-EN 733 (ex DIN 24255)
DesignBaseplate-mounted with flexible coupling
Number of poles4 poles (1 450 rpm)
Discharge / suction DN150 / 200
Flow rate range Qup to 500 m³/h
Head range Hup to 13 m
Motor power P211–132 kW (depending on configuration)
Power supply400 V
Pumped fluid temperature-10 °C to +140 °C
Max. ambient temperature40 °C
Max. operating pressure10 bar
FlangesPN 10 DIN 2532
Casing materialGG25 cast iron (UNI ISO 185)
Impeller materialGG25 cast iron (bronze on request)
Shaft materialAISI 420 stainless steel
Mechanical sealCarbon/silicon carbide, Viton, DIN 24960
Gland packingPTFE-impregnated ramie (on request)

Available pumps (bare shaft)

CasingNumber of polesBare shaft weight
KDN 150-2004P178 kg

The hydraulic end is identical to that of the NKM-G 150. Contact us for assistance with selecting the exact motor.

Applications

  • Water supply – main distribution networks, large-scale water transmission mains.
  • Industrial piping systems – large-volume cooling circuits, process systems.
  • Municipal water management – pumping stations, circulation systems.
  • Heating of large industrial facilities – circulation up to 140 °C.
  • Agriculture – irrigation of large areas, drainage stations.

Key benefits

  • Largest model in the KDN range – DN 150/200, maximum flow rates.
  • Motor up to 132 kW – the highest power rating in the entire SACI horizontal pump range.
  • DIN-EN 733 – standardised dimensions, interchangeable with products from other manufacturers.
  • Bare shaft design – can be connected to a customer-supplied drive.
  • AISI 420 shaft – greater resistance to corrosion and wear.
  • Gland packing – an alternative to a mechanical seal.

Supply configurations

  • Bare shaft (code 0) – hydraulic end only, without coupling or motor.
  • Pump on baseplate without motor – pump with coupling mounted on a baseplate.
  • Complete assembly (code 1/2) – pump with motor, with a standard or spacer coupling.

Optional accessories

  • Bronze impeller GCuSn5Zn5Pb5 (version B)
  • Wear rings (Wr) – extended service life
  • Alternative seals – SiC/Viton, SiC/EPDM, bellows seals
  • Gland packing – PTFE-impregnated ramie

Why does the KDN 150 (1 450 rpm) have PN 10 flanges instead of PN 16?

DN 150/200 uses PN 10 flanges in accordance with DIN 2532 (maximum operating pressure 10 bar). Smaller KDN models (DN 32–125) have PN 16 flanges in accordance with DIN 2533, with a maximum pressure of 16 bar. This difference must be taken into account when sizing the piping.

What is the difference between the KDN 150 (1 450 rpm) and the NKM-G 150?

Mounted on a baseplate, the KDN 150 (1 450 rpm) offers motors up to 132 kW (the NKM-G 150 has only 11 kW), easy servicing and a choice of configurations (bare shaft, with or without a motor). The hydraulic end is identical.

Why is the head range only 13 m?

The DN 150 with its large 200 casing is designed for maximum flow rates (up to 500 m³/h) at a relatively low head. For a higher head at high flow rates, consider a smaller DN (e.g. KDN 100 or KDN 125) with a 2-pole motor.

What is the warranty?

KDN pumps come with a 24-month warranty.

Features

Feature Value Unit
DNA = input / suction
200 DN
DNM = output / displacement
150 DN
Flow rate Q
0 to 500 m³/h
Displacement range H
0 to 13 m
Temperature of the pumped medium
-10 to 140 °C

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