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Zeox FIRST H 3211-45-2

Name: Zeox FIRST H 3211-45-2
Brand: Wilo
SKU: 4191774

Ring section pump

Article number: 4191774

Series Zeox FIRST H

Data sheet

Hydraulic data
Maximum inlet pressure p inl	25 bar
Maximum operating pressure PN	50 bar
Min. fluid temperature T_min	-5 °C
Max. fluid temperature T_max	90 °C
Min. ambient temperature T_min	-5 °C
Max. ambient temperature T_max	40 °C
Connection type	Flange
Pipe connection, suction side DNs	DN 65
Pipe connection, discharge side DNd	DN 50

Motor data
Mains connection	3~400 V, 50 Hz 3~690 V, 50 Hz
Voltage tolerance	±10 %
Rated power P₂	45 kW
Motor efficiency class	IE3
Rated current I_N	77.5 A
Rated speed n	2900 1/min
Activation type	Direct On Line (DOL)
Power factor cos φ₁₀₀	0.89
Motor efficiency 50% η_M50%	94.2 %
Motor efficiency 75% η_M75%	94.5 %
Motor efficiency 100% η_M100%	94.2 %
Insulation class	F
Protection class motor	IP55

Materials
Pump housing	Grey cast iron
Impeller	Grey cast iron
Shaft	Stainless steel
Mechanical seal	U2BPFG
Stage chamber material	Ductile cast iron

Ordering information

Product data
Brand	Wilo
Product description	Zeox FIRST H 3211-45-2
Article number	4191774
EAN number	4048482459943
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	2300 mm
Length L	2111 mm
Height with packaging	1000 mm
Height H	729 mm
Width with packaging	1000 mm
Width W	860 mm
Gross weight, approx. m	707 kg
Net weight, approx. m	673 kg

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 T_min	-5 °C
Max. fluid temperature T_max	90 °C
Maximum operating pressure p	63.0 bar
Max. ambient temperature T_max	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	45000 W
Activation type	Direct On Line (DOL)
Rated speed n	2900 1/min
Rated current I_N	77.5 A
Protection class motor	IP55
Motor efficiency 50% η_M50%	94.2 %
Motor efficiency 75% η_M75%	94.5 %
Motor efficiency 100% η_M100%	94.2 %
Power factor cos φ₁₀₀	0.89

Installation dimensions
Pipe connection, suction side DNs	DN 65
Pipe connection, discharge side DNd	DN 50

Ordering information
Net weight, approx. m	673 kg
Brand	Wilo
Product description	Zeox FIRST H 3211-45-2
Article number	4191774

Zeox FIRST H 3211-45-2

Ring section pump

Data sheet

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Zeox FIRST H 3211-45-2

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