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Economy MHI 404 (3~400 V, FKM)

Name: Economy MHI 404 (3~400 V, FKM)
Brand: Wilo
SKU: 4210731

Multistage monobloc pump

Article number: 4210731

Series Economy MHI

Data sheet

Hydraulic data
Maximum inlet pressure p inl	6 bar
Maximum operating pressure PN	10 bar
Min. fluid temperature T_min	-15 °C
Max. fluid temperature T_max	90 °C
Min. ambient temperature T_min	-15 °C
Max. ambient temperature T_max	40 °C
Connection type	Screwed connection inner thread
Pipe connection, suction side DNs	Rp 1¼
Pipe connection, discharge side DNd	Rp 1

Motor data
Mains connection	3~400 V, 50 Hz
Voltage tolerance	±10 %
Rated power P₂	0.75 kW
Motor efficiency class	IE3
Rated current I_N	1.95 A
Rated speed n	2900 1/min
Activation type	Direct On Line (DOL)
Power factor cos φ₁₀₀	0.82
Motor efficiency 50% η_M50%	79.5 %
Motor efficiency 75% η_M75%	80.7 %
Motor efficiency 100% η_M100%	80.7 %
Insulation class	F
Protection class motor	IP54

Materials
Pump housing	Stainless steel
Impeller	Stainless steel
Shaft	Stainless steel
Mechanical seal	BQ1VGG
Gasket material	FKM

Ordering information

Product data
Brand	Wilo
Product description	Economy MHI 404 (3~400 V, FKM)
Article number	4210731
EAN number	4048482691879
Colour	green/silver
Minimum order quantity	1
Date of sales availability	2016-09-01
Previous model article number	4148995
Previous model designation	Economy MHI 404 (3~400 V, FKM)

Packaging
Packaging type	Cardboard box
Packaging property	Transport packaging
Pieces per pallet	1
Number per layer	1

Dimension, weight
Length with packaging	600 mm
Length L	457 mm
Height with packaging	280 mm
Height H	219 mm
Width with packaging	260 mm
Width W	190 mm
Gross weight, approx. m	15.1 kg
Net weight, approx. m	13.6 kg

Multistage, non-self-priming, horizontal high-pressure centrifugal pump in block design with horizontal suction- and vertical pressure port.

The pump has a compact design with a continuous motor pump shaft and a bidirectional mechanical seal.

The pump is suitable for water supply and pressure boosting, industrial recirculation systems, process water and cooling water circuits. It can also be used in washing systems as well as for irrigation.

Special features/product advantages

Space-saving, compact block design
All hydraulic parts which come into contact with the fluid, such as stage chambers, impellers and diffusors and the pump housing are made of stainless steel
Drinking water approval (KTW, WRAS) for all components in contact with the fluid (EPDM version)

Scope of delivery

Wilo-Economy MHI high-pressure multistage centrifugal pump
Installation and operating instructions

Design notes

Motor protection for three-phase AC motor is optional or to be provided on-site
Single-phase AC motor equipped with built-in thermal motor protection and capacitor

Operating data

Product data
Min. fluid temperature T_min	-15 °C
Max. fluid temperature T_max	90 °C
Min. ambient temperature T_min	-15 °C
Max. ambient temperature T_max	40 °C
Maximum operating pressure PN	10 bar
Maximum inlet pressure p inl	6 bar

Motor data
Mains connection	3~400 V, 50 Hz
Voltage tolerance	±10 %
Rated power P₂	0.75 kW
Motor efficiency class	IE3
Rated current I_N	1.95 A
Rated speed n	2900 1/min
Power factor cos φ₁₀₀	0.82
Motor efficiency 50% η_M50%	79.5 %
Motor efficiency 75% η_M75%	80.7 %
Motor efficiency 100% η_M100%	80.7 %
Insulation class	F
Protection class	IP54

Materials
Pump housing	Stainless steel
Impeller	Stainless steel
Shaft	Stainless steel
Shaft seal	BQ1VGG
Gasket material	FKM

Installation dimensions
Pipe connection, suction side DNs	Rp 1¼
Pipe connection, discharge side DNd	Rp 1

Ordering information
Brand	Wilo
Product description	Economy MHI 404 (3~400 V, FKM)
Net weight, approx. m	13.6 kg
Article number	4210731

Installation type

In inlet mode (1)
Shut-off valve
	Ball valve Rp 1	2663980	on request


Level control without fault signal (4)
Float switch WAO
	Float switch WAO 65, 5 m cable	503211595	on request
	Float switch WAO 65, 10 m cable	2006027	on request
	Float switch WAO 65, 20 m cable	2004429	on request
	Float switch WAO 65, 30 m cable	2004430	on request


Pressure control with fault signal (3)
Wilo-EFC
	EFC0.75 3x380-480V 50/60Hz IP55	2193431	on request

Pressure switch WVA
	Pressure switch WVA up to 6 bar	180492096	on request
	Pressure switch WVA up to 10 bar	2502050	on request


Pressure control without fault signal (2)
Pressure switch WVA
	Pressure switch WVA up to 6 bar	180492096	on request
	Pressure switch WVA up to 10 bar	2502050	on request

Mechanical accessories

Valves (2)
Shut-off valve
	Ball valve Rp 1	2663980	on request

Non-return valve
	Non-return valve RV/S R 1	2660842	on request


Suction filter (1)
Suction filter (threaded extraction)
	Fine suction filter	2025755	on request

Electrical accessories

Pump control (1)
Wilo-EFC
	EFC0.75 3x380-480V 50/60Hz IP55	2193431	on request


Pump control/accessories (6)
Sensor card EFC
	Sensor Input Card MCB Wilo-EFC	6084915	on request

Low-water cut-out switchgear kit for domestic water systems
	low-water cut-out switchgear kit WMS G2	4204510	on request
	low-water cut-out switchgear kit WMS G2	4204512	on request

Output filter EFC (150-500 m cable length)
	2.4 A sin IP54 Wilo-EFC filter	6084559	on request
	2.5 A sin IP00 Wilo-EFC filter	6084574	on request
	2.5 A sin IP20 Wilo-EFC filter	6084900	on request


Pump control/interface module (6)
IF Modules EFC
	Profibus DP MCA Wilo-EFC	2193451	on request
	DeviceNet MCA Wilo-EFC	2193452	on request
	Profinet MCA Wilo-EFC	2193453	on request
	Ethernet/IP MCA Wilo-EFC	2193454	on request
	Modbus TCP MCA Wilo-EFC	2193455	on request
	BACnet/IP MCA Wilo-EFC	5114633	on request


Pressure control (7)
Pressure sensor for systems
	Pressure sensor, 0 - 6 bar	2550660	on request
	Pressure sensor, 0 - 10 bar	2550661	on request
	Pressure sensor, 0 - 16 bar	2550662	on request
	Pressure sensor, 0 - 25 bar	2550663	on request
	Pressure sensor, 0 - 40 bar	2550664	on request

Pressure switch WVA
	Pressure switch WVA up to 6 bar	180492096	on request
	Pressure switch WVA up to 10 bar	2502050	on request


Break tank/accessories (4)
Automatic kit
	Automatic kit R ½, 5 m cable	180493296	on request
	Automatic kit R ½, 20 m cable	2005645	on request
	Automatic kit R 1, 5 m cable	180549795	on request
	Automatic kit R 1, 20 m cable	2007158	on request


Level control (30)
Float switch WA
	Float switch WA65 with 5 m cable	503211390	on request
	Float switch WA65 with 10 m cable	503211893	on request
	Float switch WA65 with 20 m cable	2004431	on request
	Float switch WA65 with 30 m cable	2004432	on request
	Float switch WA KR1 S with 5 m cable	6082806	on request
	Float switch WA KR1 S with 10 m cable	6082807	on request
	Float switch WA65 (PSN-X) with 20 m cable	6088843	on request
	Float switch WA65 (PSN-X) with 10 m cable	6088844	on request
	Float switch WA65 (PSN-X) with 5 m cable	6088845	on request

Submersible electrode
	Submersible electrode, 3 m	500183799	on request
	Submersible electrode, 4 m	2516278	on request
	Submersible electrode, 5 m	500937990	on request
	Submersible electrode, 10 m	2501937	on request
	Submersible electrode, 20 m	2516283	on request
	Submersible electrode, 25 m	2000601	on request
	Submersible electrode, 30 m	2514045	on request
	Submersible electrode, 35 m	2516284	on request
	Submersible electrode, 40 m	2516285	on request
	Submersible electrode, 50 m	2500315	on request
	Submersible electrode without cable	64873	on request
	Electrode cable H07RN-F 1x1.5 mm²	64904	on request

Float switch WA-EK
	Float switch WAEK 65, 5 m cable	503211698	on request
	Float switch WAEK 65, 10 m cable	2005516	on request
	Float switch WAEK 65, 20 m cable	2005517	on request

Float switch WAO
	Float switch WAO 65, 5 m cable	503211595	on request
	Float switch WAO 65, 10 m cable	2006027	on request
	Float switch WAO 65, 20 m cable	2004429	on request
	Float switch WAO 65, 30 m cable	2004430	on request

Float switch WAO-EK
	Float switch WAOEK 65, 20 m cable	2005626	on request
	Float switch WAOEK 65, 5 m cable	2028673	on request


Motor protection (1)
PTC thermistor tripping unit
	PTC thermistor tripping unit	509275993	on request

With Wilo as your partner, you can not only be sure of choosing high-quality product solutions, but also of benefiting from a comprehensive, worry-free package of well thought-out services. We collaborate to develop a service concept tailored to your individual needs; with our expertise and personal consultancy, we make sure that the operation of your systems is as energy-efficient, reliable and economical as possible. All the while our competent Wilo service technicians are ready to assist you with fast, reliable and on-time support.

Extended Warranty
	Extended Warranty Booster Set 1-2 pumps	2216416	on request

Supervision
	Supervision Booster Set 1-2 pumps	2216412	on request

Installation
	Installation Booster Set 1-2 pumps	2216413	on request

Commissioning
	Commissioning Booster Set 1-2 pumps	2216414	on request

Maintenance
	Maintenance BASIC Booster Set 1-2 pumps	2160453	on request
	Maintenance COMFORT Booster Set 1-2 pumps	2160468	on request
	Maintenance PREMIUM Booster Set 1-2 pumps	2160483	on request

System Optimisation
	System Optimisation Booster Set 1-2 pump	2216410	on request

Energy Solutions
	Energy Solutions Booster Set 1-2 pumps	2216411	on request

Repairs
	Repair Booster Set 1-2 pumps	2216417	on request

Economy MHI 404 (3~400 V, FKM)

Multistage monobloc pump

Data sheet

Pump curves

Dimensions and dimensions drawings

Economy MHI

Ordering information

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Datasheet and documentation

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Installation type

Shut-off valve

Float switch WAO

Wilo-EFC

Pressure switch WVA

Pressure switch WVA

Mechanical accessories

Shut-off valve

Non-return valve

Suction filter (threaded extraction)

Electrical accessories

Wilo-EFC

Sensor card EFC

Low-water cut-out switchgear kit for domestic water systems

Output filter EFC (150-500 m cable length)

IF Modules EFC

Pressure sensor for systems

Pressure switch WVA

Automatic kit

Float switch WA

Submersible electrode

Float switch WA-EK

Float switch WAO

Float switch WAO-EK

PTC thermistor tripping unit

Extended Warranty

Supervision

Installation

Commissioning

Maintenance

System Optimisation

Energy Solutions

Repairs