Zeox FIRST H 3211-37-2 | Wilo

Zeox FIRST H 3211-37-2

Technical data
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.


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 IE3 motor 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
Pump housing
Cast iron
Stainless steel
Shaft seal
Cast iron
Operating data
Fluid media
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
Shaft power P2(Q=max.) of selected impeller * number of pumps
37000 W
Rated speed n
2900 1/min
Rated current IN
67.8 A
Motor efficiency ηM 50%
92.6 Percentage
Motor efficiency ηM 75%
93.8 Percentage
Motor efficiency ηM 100%
93.8 Percentage
Power factor cos φ
Installation dimensions
Pipe connection on the suction side DNs
DN 65
Pipe connection on the pressure side DNd
DN 50
Information for order placements
Net weight, approx. m
557 kg
Product description
Zeox FIRST H 3211-37-2
Article number

Installation and operating instructions

Wilo-Zeox FIRST

Article Number 4192053
Edition 1411
Page format A4
Number of pages 1
ZIP (13 MB)

Wilo-Zeox FIRST

Article Number 4192053
Edition 1411
Page format A4
Number of pages 29
PDF (1 MB)

Certificate REACH (Documents)

REACH regulation

Edition 2020-08
Page format 209.9 x 297.0 mm
Number of pages 2
PDF (158 KB)