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Zeox FIRST H 3208-18,5-2 | Wilo
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Zeox FIRST H 3208-18,5-2

Article number: 4191765
Technical data
Hydraulic data
Maximum inlet pressure p inl 25 bar
Maximum operating pressure PN 50 bar
Discharge port DN 50
Min. fluid temperature Tmin -5 °C
Max. fluid temperature Tmax 90 °C
Min. ambient temperature Tmin -5 °C
Max. ambient temperature Tmax 40 °C
Motor data
Mains connection 3~400 V, 50 Hz
Voltage tolerance ±10 %
Rated power P2 18.5 kW
Motor efficiency class IE3
Rated current IN 33.9 A
Rated speed n 2900 1/min
Activation type Direct On Line (DOL)
Power factor cos φ100 0.85
Motor efficiency 50% ηM 50% 91.5 %
Motor efficiency 75% ηM 75% 92.3 %
Motor efficiency 100% ηM 100% 92.6 %
Insulation class F
Protection class motor IP55
Materials
Pump housing Grey cast iron
Impeller Grey cast iron
Shaft Stainless steel
Mechanical seal U2BPFG
Installation dimensions
Pipe connection on the suction side DNs DN 65
Pipe connection on the discharge side DNd DN 50

Zeox FIRST H 3208-18,5-2

Product data
Brand Wilo
Product description Zeox FIRST H 3208-18,5-2
Article number 4191765
EAN number 4048482459851
Colour Green
Minimum order quantity 1
Date of sales availability 2014-09-01
Packaging
Packaging type Box
Packaging property Transport packaging
Pieces per pallet 1
Number per layer 1
Dimension, weight
Length with packaging 2000 mm
Length L 1687 mm
Height with packaging 850 mm
Height H 424 mm
Width with packaging 850 mm
Width W 840 mm
Gross weight, approx. m 562 kg
Net weight, approx. m 472 kg
Tender text

Horizontal, multi-level, highly-efficient and non self-priming high-pressure multistage centrifugal pump with offline connections.

This non self-priming high-pressure multistage centrifugal pump has a compact design and is particularly efficient and user friendly. The standard-mounted IEC standard motor equipped with a PTC sensor, and our proprietary hydraulics ensure extremely high efficiency. It can be equipped with a stuffing box packing upon request, which can be swapped out without dismantling the pump thanks to its exclusive Twinner System packing construction.

Applications

The pump is suitable for use in professional irrigation/agriculture, water supply, pressure boosting, fire fighting and in the area of heating, air conditioning, cooling.

Special features / product benefits

  • Extremely efficient hydraulics and highly-efficient motor (≤ 55 kW: IE3, ≥ 75 kW: IE4) with standard-mounted PTC sensor
  • Pump set standard mounted with rigid coupling between motor and hydraulics and with mechanical seal
  • Standard-mounted bypass flushing device guarantees a long service life for the mechanical seal
  • Clever flange positioning and stuffing box gland upon request
  • Bronze impellers upon request for high reliability

Scope of delivery

  • Pump set for horizontal installation including motor, coupling, baseplate and pump
  • Installation and operating instructions
Materials
Pump housing Grey cast iron
Shaft Stainless steel
Shaft seal U2BPFG
Impeller Grey cast iron
Stage chamber material Ductile cast iron
Operating Data
Min. fluid temperature Tmin -5 °C
Max. fluid temperature Tmax 90 °C
Maximum operating pressure p 63.0 bar
Max. ambient temperature Tmax 40 °C
Motor data
Mains connection
  • 3~400 V, 50 Hz
  • 3~690 V, 50 Hz
Shaft power P2(Q=max.) of selected impeller * number of pumps NO VALUE 18500 W
Rated speed n 2900 1/min
Rated current IN 33.9 A
Protection class motor IP55
Motor efficiency 50% ηM 50% 91.5 %
Motor efficiency 75% ηM 75% 92.3 %
Motor efficiency 100% ηM 100% 92.6 %
Power factor cos φ100 0.85
Installation dimensions
Pipe connection on the suction side DNs DN 65
Pipe connection on the discharge side DNd DN 50
Ordering information
Net weight, approx. m 472 kg
Brand Wilo
Product description Zeox FIRST H 3208-18,5-2
Article number 4191765
Documents

Installation and operating instructions

Wilo-Zeox FIRST

Article Number 4192053
Edition 2023-11
Number of pages 24
Language en
PDF (2 MB)

Group Statement

Group Statement REACH

Edition 2021-05
Number of pages 5
Language language neutral
PDF (279 KB)