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Horizontal Multi Stage

Grundfos MQ self-priming multistage pump

Grundfos MQ self-priming multistage pump

…much more compact

The Grundfos MQ is a compact all-in-one pressure boosting unit,
designed for domestic water supply and other boosting or lift
applications. The MQ is a compact and reliable, easy-to-install
pump, with many standard features.

The MQ pump is ideal for pressure boosting from water storage
tanks or from city water supply (maximum 45 psi inlet pressure).
The MQ is also a self-priming multistage centrifugal pump. It can
selfprime from a well depth of down to 26 feet within a
maximum time of 5 minutes.*

* For detailed suction lift performance characteristics, refer to
the MQ product guide




The Grundfos’ MQ pump is compact and extremely
easy to install. The pressure switch and tank are
already built into the MQ. Furthermore, it is selfpriming
and water-cooled with a very low noise level.
The outlet pipe connection can be angled up to 5° to
fit your existing pipe-work.
Grundfos’ MQ pump is simple and easy to operate.
The settings are clearly indicated on the user-friendly
control panel with indicator lights for Pump on/off,
auto reset, and an alarm indicating dry running or
Grundfos MQ is built for trouble-free operation. It’s
construction from corrosion-resistant materials
means it can be used for clean water. The anti-cycling
feature prevents the pump from repeatedly starting
and stopping in the event of a dripping tap or a minor
leak. If there is no water available, the pump will stop
to protect itself and restart automatically when
water is available again


MQ is a compact water supply system designed for domestic, agricultural and horticultural applications.Applications

The MQ pump is designed for water supply and pressure boosting

  • in private homes
  • in summer houses and weekend cottages
  • on farms
  • in market gardens and other large gardens.


The pump is suitable for pumping of potable water and rainwater.

Grundfos-MQ-CurvesPerformance range: Flow up to 20 gpm
Head up to 139 ft
System pressure: Up to 109 psi
Inlet pressure: Max. 45 psi
Suction lift: Max. 26 ft
Liquid temperature: 32°F to +95°F
Ambient temperature: 32°F to +113°F
Nominal voltage range: 1 x 110 – 120 V or
1 x 220 – 240 V
Weight: 29 pounds
Dimensions: 12.6 x 22.4 x 8.7 (in)
Thermal protection Yes

Features and benefits

  • All-in-one pressure booster unit
  • Easy to install
  • Easy to operate
  • Self-priming
  • Dry-running protection
  • Low-noise
  • Maintenance-free.

EBARA              GRUNDFOS              KSB             WILO           TSURUMI

Wilo-FLA - Multi-pump pressure boosting systems


 Wilo-FLA – Multi-pump pressure boosting systems



Wilo-FLA-Dia1Pressure boosting system for fire extinguisher applications with 1 to 2 autonomous working, non-self-priming, stainless steel, high-pressure, multistage centrifugal pumps switched in parallel










For supply of fire extinguisher water from
fire hose reels according to DIN 14462
from 04/2009

Wilo-FLA-CurvesQ max.

80 m³/h

H max.

130 m

Technical data

• Mains connection 3~230/400 V, 50 Hz
• Fluid temperature max. 50 °C
• Max. operating pressure 16 bar
• Inlet pressure 6 bar
• Protection class IP 54



wilo-helix-V modular• 1 to 2 pumps per system
• Components that come in contact with
fluid are corrosion-resistant
• Galvanised base frame with heightadjustable
vibration dampers for
insulation against structure-borne noise
• Pipework in stainless steel 1.4571
• Gear-operated shut-off ball cock/
annular shut-off valve on every pump,
on suction and pressure sides
• Non-return valve, on pressure side
• Diaphragm pressure vessel 8 l, PN 16, on
pressure side
• Pressure sensor, on discharge side
• Comes as standard with pump
protection by means of minimum
volume acceptance via bypass switch
without auxiliary energy.


Special features

• Compact system in accordance with all
requirements of DIN 1988
• 1 or 2 high-pressure multistage
centrifugal pumps Helix V series with
IE2 motors
• Variants
–Single-pump system
–Twin-pump system with two
independent single-pump systems in
a base frame
• Comes as standard with pump
protection by means of minimum
volume acceptance via bypass switch
without auxiliary energy.


EBARA            GRUNDFOS             KSB            WILO           TSURUMI

Wilo-COE-2 MHIL BC Fully automatic water supply and pressure boosting in residential building




Ready for connection, non self-priming water-supply unit with 2 parallel-switched, horizontally arranged high-pressure multistage centrifugal pumps with fixed speed in glanded design of the MHIL series, equipped with BC switchgear.



  • Fully automatic water supply and pressure boosting in residential buildings and small commercial locations.
  • Pumping of potable water and clean process water and other water mixtures that do not chemically or mechanically attack the materials used and do not contain any abrasive or long-fibre constituents





Type key

e.g.: Wilo-COE-2MHIL305-DM/BC
COE Compact pressure boosting system
2 Number of pumps
MHIL Pump series
3 Rated volume flow [m3/h]
05 Number of pump stages
DM 3~ (EM: 1~)
BC Switchgear


Special features/product advantages

  • System with high-pressure multistage centrifugal pump of the MHIL series made of grey cast iron and stainless steel
  • Hydraulics made of stainless steel in combination with IE2 standard motors for 3~ motors from 0.75 kW and IE1 motor for 1~ motors
  • Two horizontally aligned high-pressure multistage centrifugal pumps of the MHIL series switched in parallel, for flow rates of up to 16 m3/h and delivery heads of up to 55 m
  • “BC” switchgear: operationally necessary functions are ensured by the electronic speed control technology used. The switchgear is accommodated in a plastic cabinet. Starting/stopping the pumps with a pressure switch; low-water cut-out switchgear, motor protection, pump cycling, stop delay of the pumps. An LED display provides information on alarms and pump operation and provides switches for the selection of the operating mode.


Technical data

  • Mains connection 3~400 V, 50 Hz or 1~230 V, 50 Hz
  • IE2 standard motor for 3~ from 0.75 kW (for 1~ : IE1 standard motor)
  • Fuse A, AC 3 on mains side according to motor power and EVU regulations
  • Max. fluid temperature of +50 °C (+70 °C optional)
  • Operating pressure 10 bar
  • Inlet pressure 6 bar
  • R2” nominal connection diameter
  • Protection class: IP 54



  • Two pumps of the MHIL 3 to MHIL 5 series per system with an IE2 standard motor for 3~ motors and IE1 for 1~ motors
  • Automatic pump control with BC switchgear specially for the pump management with fixed speed
  • Components that come in contact with the fluid are corrosion resistant.
  • Base frame made of galvanised steel
  • Pipework made of galvanised steel
  • Stop valve on the suction and pressure side of each pump
  • Non-return valve on the pressure side of each pump
  • Pressure switch on the pressure side
  • Pressure gauge on the pressure side
  • Optional low-water cut-out switchgear on the suction side



  • Wilo-COE-2 MHIL BC-DIMBase frame: made of galvanised steel, to be fastened to a concrete foundation
  • Pipework: Complete pipework of stainless steel, suitable for the connection of all standard pipe materials; the pipework is designed according to the hydraulic output of the pressure boosting system.
  • Pumps: Two pumps of the MHIL 3 to MHIL 5 series switched in parallel; all pump components that come in contact with the fluid are made of stainless steel/cataphoretic-coated grey cast iron. KTW/WRAS approval for all components that come in contact with the fluid. More information on the pumps can be found in the “Pressure boosting” chapter.
  • Valves: Each pump is equipped with an ACS-tested ball shut-off valve on the suction and pressure side and with a KTW-tested non-return valve on the pressure side.
  • Diaphragm pressure vessel: A diaphragm pressure vessel is to be designed and installed according to the installation situation.
  • Pressure sensor: A pressure sensor is installed and connected to the BC switchgear on the pressure side of each pump.
  • Pressure indication: On the pressure gauge on the pressure side
  • Switchgear: The system is standard-equipped with a BC switchgear.



For the MHIL 3 and MHIL 5 series:

  • Impellers, diffusors, stage housing made of stainless steel 1.4301
  • Pump housing made of cataphoretic-coated grey cast iron EN- GJL 250
  • Shaft made of stainless steel 1.4028
  • O-ring seals made of EPDM

More information on the pumps can be found in the “Pressure boosting” chapter.

Wilo-COE-2 MHIL BC-Curve

Scope of delivery

  • Factory-mounted, ready for connection pressure boosting system checked for functionality and impermeability
  • Packaging
  • Installation and operating instructions


Planning guide

Pressure reducer

Excessively high or strongly fluctuating inlet pressure requires the installation of a pressure reducer to maintain a constant minimum inlet pressure level. The maximum permissible fluctuation of the inlet pressure is 1.0 bar.

Volume flow

Up to 8 m3/h (111 l/s) system configuration according to DIN 1988 (EN 806); with standby pump up to 16 m3/h (133 l/s), with the standby pumps used for the peak-load operation.

Inlet pressure

The maximum inlet pressure (see Technical data) is to be observed for the system configuration. The maximum inlet pressure is calculated from the maximum unit working pressure minus the maximum pump delivery head at Q = 0.

Low-water cut-out switchgear (WMS)

According to DIN 1988 (EN 806), the installation of a low-water cut-out switchgear is required if the pressure boosting systems are connected directly to a public mains power supply; this prevents the inlet pressure in the mains supply line from dropping to values below 1.0 bar.


The overall system meets the requirements of the following standards and guidelines:

  • EN2006/42/EC
  • EN2004/108/EC
  • CEM 2004/108/EC

The requirements of the standard EN 806 and those of water supply companies must be met with regard to the electrical components.

The requirements of DIN 1988 (EN 806) are to be observed whenever the pressure boosting system is used or operated.



EBARA            GRUNDFOS             KSB            WILO           TSURUMI

KSB - HGM-RO High-pressure pumps for reverse osmosis systems



KSB-HGM-RO high-pressure pump – reliable drinking water treatment in reverse osmosis systems



Drinking water production in RO systems requires a high-pressure pump of top reliability which provides continuously economical operation. KSB responds to this need with an ideal solution: the HGM-RO high-pressure pump.







High-pressure pumps  HGM-RO High-pressure pumps for reverse osmosis systems need to be able to handle the harsh conditions which prevail in seawater desalination plants.



KSB has opted for radially split high-pressure pumps.

Their radially split design makes HGM-RO high-pressure pumps particularly robust, enabling them to cope with the extreme conditions of drinking water treatment in seawater desalination.




Benefits of using KSB’s radially split high-pressure pumps in reverse osmosis systems:

HGM-RO-Radially-split-designMinimum energy input, low operating costs

Excellent NPSH value thanks to axial inflow with suction stage impeller. Continuously high efficiencies.


Compact design

Internal, product-lubricated plain bearings with a short bearing span ensure smooth running and therefore high pump availability and reliability as well as a long service life of wear parts.


Corrosion-resistant design

The HGM-RO high-pressure pump is made of duplex or super duplex stainless steels. Its corrosion-resistant design (e.g. dry shaft) translates into a long service life.


Low monitoring requirements

There is no need for an additional lubrication system, and the pump does not require any vibration or bearing temperature monitoring. This saves both initial and operating costs for the pump set.

Minimum maintenance costs

Because of its axial inlet, the HGM-RO high-pressure pump has just one mechanical seal, which minimises spare parts costs. The ring section design ensures top reliability in the extreme conditions of reverse osmosis systems. No lubrication systems are required. The mechanical seal is easy to replace.

Reduced construction costs

The pump’s compact design, low weight and smooth running lower the requirements to be met by the foundation. Flexible connection branches facilitate connection to the system piping.


Easier to install and dismantle than axially split pumps

The pump can be dismantled and reassembled from either side. The wear parts are easily accessible.


EBARA            GRUNDFOS            KSB            WILO          TSURUMI

KSB-CHTC – Horizontal, multistage high-pressure barrel type pump


 KSB-CHTC – Horizontal, multistage high-pressure barrel type pump


KSB-CHTCHorizontal, high-pressure barrel-type pump with radial impellers, single- and double-entry, multistage, with flanges / weld end nozzles to DIN and ANSI.



Handling of feed water and condensate in power stations and industrial facilities, generation of pressurized water for bark peeling machines and descaling equipment.


High operating reliability

KSB-CHTC-Modular1. In the case of axial thrust balancing by double drum, the
residual axial thrust is absorbed by a tilting-pad thrust

2. Optimisation of casing design in terms of line of action of

3. Adaptation of pump casing to rotor deflection line

Long service life

4. Transmission of axial forces to the bearing housing by
means of a cardanic ring avoids wear on the thrust bearing

5. Low NPSH value thanks to fitting of suction stage impeller as a standard

Ease of service

6. Replacement of pump cartridge without having to remove
the pump from the piping

7. Maintenance work on wear parts with no opening of the

Reduced operating costs

8. Efficiency improvement through cellular surface wear


Overview of technical data

Barrel casing Yes
Type of bearing Plain bearings
Casing partition Radially split
Drive frequency 50 Hz / 60 Hz
Type of drive Electric motor, turbine
Drive voltage Low voltage, high voltage
Type of first impeller Single entry
No. of impeller entries Single / Double entry
Other impeller types Closed / Radial
Type of installation Long- coupled
Type of coupling Geared variable speed coupling; Gear;Variable speed coupling;Direct
Type of lubrication Grease / Oil / Pressurized oil lubrication
Max. permissible fluid temperature 200 °C
Nozzle position Variable
Maximum rated pressure (discharge) PN160; PN250; PN320; PN400
Pull-out design Yes
Pump set location Dry installed
Suction characteristics Non- priming
Type of connection Flange, weld ends
Type of discharge casing Annular casing
Type of stage casing Stage casing with diffuser
Type of suction casing Annular casing
eClass assignment 36410000; 36410101;36410100
Maximum head 4. 000,00 m
Installation position Horizontal
Shaft seal type Mechanical seal
Main applications Energy; Industry and process engineering
Casing material Carbon steel; Chrome steel
Maximum discharge-side pressure 400 bar
Maximum suction pressure 30 bar
Type of installation Stationary
Maximum flow rate 1. 278 m³/h
Maximum speed of rotation 6. 750 1/min


EBARA              GRUNDFOS              KSB             WILO           TSURUMI


Wilo-Economy MHI-Non-self-priming multistage pump




Wilo- Economy MHI – Non-self-priming multistage pump


  • Water supply and pressure boosting
  • Commerce and industry
  • Cooling water circulation systems
  • Washing and sprinkling systems

Special features / product benefits

  • IE2-IEC three-phase AC motor (≥ 0.75 kW)
  • All parts that come in contact with the fluid are made of stainless steel 1.4301 (AISI 304) or 1.4404 (AISI 316 L)
  • Compact design
  • All relevant components are KTW and WRAS certified


Wilo-MHITechnical data

  • Mains connection 1~230 V (±10 %), 50 Hz or optionally 220 V (±10 %), 60 Hz
  • Mains connection 3~230 V (±10 %), 50 Hz (Δ) or optionally 220 V (±10 %), 60 Hz (Δ), 400 V (±10 %), 50 Hz (Y) or optionally 380 V (±10 %), 60 Hz (Y)
  • Fluid temperature ‐15 to +110 °C
  • Max. operating pressure 10 bar
  • Max. inlet pressure 6 bar
  • Protection class IP 54
  • Nominal diameters of pipe connections Rp 1, Rp 1 ¼ or Rp 1 ½, depending on type


EBARA            GRUNDFOS           KSB          WILO        TSURUMI

Ebara-MSS/MSSH Ring Section Pumps


MSS/MSSH Ring Section Pumps

EBARA_MSS_MSSHMSS/MSSH series pumps are horizontal ,single casing, ring section, multistage structure. With simplified construction, MSS/MSSH can be highly efficient and reliable.


Boiler feed Processing water supply City high pressure water supply


Flow (Q): to 324 m3/h
Maximum allowable operation pressure : to 10MPa.G
Maximum allowable suction pressure: 2.45MPa.G
Temperature range: to 165℃
Applicable transportation medium specific gravity :0.8 and above.




Radially Split Casing
Between Bearing
Wide high efficiency region:
High efficiency and reliability :
Simple structure ,easy maintenance :
Compact ,low -cost : optimized design ,
Short manufacturing term : standardized production




EBARA            GRUNDFOS           KSB          WILO        TSURUMI

KSB-Multi Eco-Pro


KSB-Multi Eco-Pro

KSB_Hya_Eco-modularD e s i g n

▪ Centrifugal pump
▪ Close-coupled design
▪ Multistage
▪ Self-priming
Controlmatic E.2
▪ Starts up and stops the pump in line with consumer
▪ Protects the pump against dry running

D r i v e

▪ Single-phase AC motor
▪ 220 – 240 V / 50 Hz with thermal overload protection
▪ Motor IP 44
▪ Insulation class F

B e a r i n g s

▪ Deep-groove ball bearings
▪ Grease-lubricated for life

Fluids handled

KSB-Hya-eco_curvesPump for handling clean to turbid water not containing
aggressive, abrasive or solid substances.
▪ River, lake and groundwater
Main applications
▪ Irrigation systems
▪ Domestic water supply
▪ Washing plants


Overview of available materials
Component Material
Pump casing Cast iron coated with anti-corrosive
Discharge cover Cast iron coated with anti-corrosive
Impellers/stage casing Noryl
Jacket Stainless steel
Shaft Chrome steel
Motor housing Aluminium

Product benefits

▪ Reliable, sturdy pump installation thanks to corrosionprotected
pump casing with stainless steel jacket
▪ Ready-to-connect, easy installation and commissioning
▪ Automatic and quick priming once the pump casing has
been filled. Suction lift up to 8 m thanks to self-priming
design (KSB patent).
▪ Energy-efficient, low-noise operation thanks to wearresistant
multistage hydraulic system with good efficiency



EBARA            GRUNDFOS           KSB          WILO        TSURUMI

Ebara-DCS/DCD – Horizontal Double Case Pumps




Multi stage, Ring section inner casing, diffuser type for refineries, sea water injection, boiler feed and other pressure service model
of multistage, doble case, Ring section inner casing type have been widely used in refineries, diffuser type for refineries, sea water injection, boiler feed and other pressure service for many years.


Many impropements have been recently made in this pump to enhance its performence.
Our modern tape controlled machines in conjuction with advanced quality control procedures insure that these pumps meet our high manufacturing standart.
Unique original design of this high performance pump provides
for superior and extended low-cost operation.
Model DCD donates doble suction impeller type.


  • Petroleum Refineries
  • Petrochemical Industries
  • Other Chemical Industries
  • Boiler Feed
  • Liquid Gas Transfer
  • Mine Dewatering
  • Sea Water Injection For Oil-wells


  • Centerline support and heavy duty design
  • Doble casing, permits removal of the inner casing.
  • Full compliance with API specifications.
  • Flexibility of design handles wide range of liquid
  • All conponents have been designed for maximum part interchangebility.
  • Low NPSH perfoormance.

FOR MORE INFORMATION   DCS-DCDtunjuk-e1352992928843



Ebara sdc_1

















EBARA            GRUNDFOS           KSB          WILO        TSURUMI



• Civil, Industrial, farming, fire-fighting, boosting systems
• Water treatment plants (reverse osmosis, filtrations)
• Irrigation system
• Washing system
• Movement of hot and cold water for heating, cooling and air-conditioning system.
• Boiler feeding
• Movement of moderately aggressive chemical liquids without solids.
• Impeller, diffusers, casing cover, outer casing, shaft sleeve, coupling covers,
fixing in contact with liquid: AISI 304 stainless steel
• Bottom casing: AISI 304 stainless steel (EVM) – cast iron (EVMG),
• Motor bracket and base: cast iron (not in contact with the pumped liquid)
• Bearings (in contact with liquid): tungsten carbide
• Mechanical seal: Silicon carbide/carbon/Viton
• Shaft: AISI 316 stainless steel
• Tie rods and fixings not contact with liquid: zinc coated stainless steel

EBARA Corporation was established in 1912 as a pump manufacturer and today EBARA is the world’s foremost manufacturer
of pumps and pump system. EBARA is proudly presenting Vertical Multi-stage pump type EVM, manufacture with great
experience of EBARA in design and production of stamped stainless steel pumps. EBARA EVM pumps offer technically advance


Screenshot_3designs to meet most market demands, including pumping of aggressive liquid.
Two standard pump options are available to satisfy most of the market requirements:
– EVM(G): Bottom casing in cast iron, other liquid contact parts in SS304 stainless steel for general
water supply usage
– EVM(L): All wetted contact parts in SS316 stainless steel for aggressive liquid pumping operation.
Optional materials available upon request: All wetted contact parts in SS304 stainless steel for industrial
pumping applications.




EBARA               GRUNDFOS              KSB              WILO          TSURUMI

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