Masdaf HEXA Series User manual

Operating
Manual
July / 2020Revision No: 01
HEXA SERIES
Vertical Shaft Stainless Steel Pumps

2

HEXA Series
3
Introduction 3
1. Important Safety Precautions 3
2. General 4
3. Safe Operating Conditions 5
4. Transport and Storage 5
5. Assembly/Installation 6
6. Commissioning, Start up and Operating 6
6.1. Preparations Before Start up 7
6.2. Checking The Direction of Rotation 7
6.3. Start up Procedure 7
6.4. Shut Down Procedure 7
7. Maintenance 7
7.1. The Checks During the Operation 7
7.2. Service 8
7.3. Spare Parts 8
8. Disassembly, Repair and Reassembly 8
9. Possible Failures, Causes, Solutions 9
10. HEXA Drawing for Dismantling 10
11. Maximum Inlet Pressure 11
12. Maximum Working Pressure 11
13. HEXA Series MEI Values Table 12
INTRODUCTION
• This manual contains instructions for the installation,
operation and maintenance of the HEXA multistage
in-line centrifugal pumps of MAS DAF MAKINA SANAYI A.Ş.
• Please read carefully this manual and apply all the
instructions to operate pumps without problems. Pumps
shallbe used fortheir intended duties. In this manual, there
are information on operating conditions, installation,
starting-up, settings and main controls of pumps.
• These operating and maintenance instructions contain
MAS DAF MAKINA SANAYI A.Ş.`s suggestions. The special
operating and maintenance information of the plumbing
that a pump is fitted to is not considered in these
instructions. This information must be given by the
plumbing constructors only.
• Please refer to instructions of plumbing constructors.
• Please pay attention to the warnings in this manual and
ensure that it is read before the installation-start up
process. MAS DAF MAKINA SANAYI A.Ş. is not responsible
for the accidents resulting from negligence.
• If you cannot find an answer to your questions in this
manual, it is suggested that you contact MAS DAF MAKINA
SANAYI A.Ş. Please inform us about the rated value and
especially the serial number of the pump when you get in
contact for help.
• The safety instructions in this manual cover the current
national accident protection regulations. Beside all of
these, an operation, work and safety measure imposed by
the costumer has to be applied.
The Signs Used in This Operation Manual
Read the instructions carefully in this
operating manual and keep it for your
future reference.
Warning sign against the electrical risks.
Sign for the operator’s safety.
1. IMPORTANT SAFETY PRECAUTIONS
In order to minimize the accidents during the mounting
and putting into service of the pump, the following rules
have to be applied:
1. Do not work without taking safety measures relevant
to equipment. Cable, mask and safety band must be used
when necessary.
2. Be sure there is adequate amount of oxygen and there
is no toxic gaseous around
3. Before using welding or any electrical equipment make
sure that there is no risk of explosion.
4. Check the cleanliness of the area to take care of your
help. (Dust, smoke, etc.)
5. Do keep in mind that there is a risk of having accidents
related to electricity
6. Do not lift the pump before you check the transport
equipment.
7. Be sure you have a by-pass line
8. Use helmet, eye glasses and protective shoes for your
safety
9. Place a protective barrier around the pump within the
necessary safety area
10. Dust, liquids and gaseous that may cause overheat-
ing, short circuit, corrosion and fire must be kept away
from the pump unit.
11. By checking the noise level of the pump unit,
necessary measures to avoid noisy operation of the
pump that can have harmful effects on the personnel
and environment.
12. Be careful about the direction of transport and
storage.
13. Cover appropriately the moving parts to avoid
possible injury of the personnel. Mount the coupling
guard and belting before starting-up the pump
14. All the electrical and electronic applications must be
performed by authorized person conforming EN60204-1
and /or domestic instructions.
15. Protect the electrical equipment and motor against
overloading
16. If flammable and explosive liquids are pumped,
ground connection of electricity should be carried out
properly
17. Do not expose the pump unit to sudden temperature
variations
18. All personnel who work with the waste water system
need to be vaccinated in case of contagious diseases.
19. If the pump contains hazardous liquids, one must use
protective helmet against the risk of splatter. One also
must accumulate the liquid in a proper container against
any risk of leakage.
All Other Health and Safety Rules, Laws and
Regulations Must Be Applied
TABLE OF CONTENTS Page No

4
2. GENERAL
2.1. Definition of Pump and Usage Areas
The HEXA multistage in-line centrifugal pumps are
designed for the following applications:
• Municipal water supply and pressure boosting
• Domestic water supply
• Boiler feed and condensate systems
• Cooling water systems
• Irrigation and dewatering
• Fire fighting
• Washing plants and washdown
• Water treatment plants
• Reserve osmosis systems
Thin, non-explosive, non-corossive liquids, containing
no solid particles or fibres.
When pumping liquids with a density and/or viscosity
higher than that of water, motors with correspondingly
higer outputs must be used, if required.
CAUTION
Please contact MAS DAF MAKINA SANAYI A.Ş. for
liquids that have different chemical and physical
specifications.
Technical specifications of HEXA type pumps
Suction Flange: DN 32-DN 100
Discharge Flange: DN 32-DN 100
Capacity: 2-110 m3/h
Max. Hm: 30 bar
Speed: 2900-3600 RPM
Ambient Temperature Max +40°C
Liquid Temperature -15°C to +120°C
Min Inlet Pressure According to the NPSH Curve
Max Inlet Pressure See Chart on Page 11
Electrical Data See Motor Nameplate
Dimensions and Weights See Catalogue
Product Information as per Regulation No. 547/2012 (for
Water Pumps with a Maximum Shaft Power of 150 kW)
Implementing "Ecodesign" Directive 2009/125/EC
Minimum Efficiency Index for MAS OMK-V Pump Series
is shown on the pump label.
MEI values of MAS OMK-V Pump Series are shown on
the pump characteristic curves.
Minimum Efficiency Index for MAS OMK-V Pump Series;
Minimum 0.4. (MEI≥0,4)
‘Vertical multistage water pump’ (MS-V) means a
glanded multi stage (i>1) rotodynamic water pump in
which the impellers are assembled on a vertical
rotating shaft, which is designed for pressures up to 25
bar, with a nominal speed of 2900 rpm and a maximum
flow of 100 m3/h.
Efficiency values of the pump characteristic curves,
which are cut diameter, are expressed in %.
OMK-V Series water pumps, the pump efficiency can be
achieved more than fix speed in case of variable speed
control.
More information about the Ecodesign can be reached
at www.europump.org.
2.2. Performance Information
Actual performance of the pump can be obtained from
the order page and/or from the test report. This
information is given on the pump label. The
performance curves given in the catalog are valid for
water whose density and viscosity are ρ=1 kg/dm3and
ν=1 cst. respectively. For those liquids whose densities
and viscosities are different from those of water, please
consult with MAS DAF MAKINA SANAYI A.Ş. since the
performance curves vary with density and viscosity
CAUTION
Do not operate the pump with a motor that has a different
power except for the given catalog and label values.
The pump is not to be operated at off-design point given in
the order and supplied from the firm.
It is necessary to ensure that the instructions are obeyed
for the safe running of the pump.
2.3. Warranty Conditions
The entire products in ourselling program are warranted by
MAS DAF MAKINA SANAYİ A.Ş.
The warranty conditions will only be valid when all the
instructions about installation and start-up operations of
the pump unit are taken into account.
2.4. Test
All Pumps are dispatched for sale when allthe performance
and pressure tests are completed. Proper assurance of
material and fault-free operation of pumps whose
performance tests are made is under the warrantyof MAS
DAF MAKINA SANAYI A.Ş.
2.5. Pressure Limit
Pressure at the discharge flange must not exceed 10 Bar. A
special order is necessary for applications with higher
pressures.

HEXA Series
5
3. SAFE OPERATING CONDITIONS
This manual contains main safety instructions for the
installation, operation and maintenance. It must be read
by the personnel who are responsible for installation and
operation. This manual should always be kept near the
installation location. It is important to comply with safety
precautions stated in page 1 along with the general safety
instructions as well as preventive measures repeated in
other sections of this manual.
3.1. Training of Personnel
Installation, operation and maintenance personnel must
have necessary knowledge in order to accomplish the
given job. The responsibility, adequacies and controlling
duties of such personnel must be determined by the
costumer. It has to be certain that these personnel
comprehend totally the content of the operating manual.
If the personnel do not have enough knowledge, required
training must be given by the costumer. If training support
is needed by the costumer, it will be provided by the
manufacturer/seller.
CAUTION
Untrained personnel and unwillingness to comply with
safety instructions may be risky for both machine and
environment. MAS DAF MAKINA SANAYI A.Ş. is not
responsible for this kind of damages.
3.2. Hazardous Conditions That May Occur When One
does not Comply With the Safety Instructions
Incompliance with safety regulations may put the
personnel, the environment and the machine in danger
and thus may cause damages. Incompliance with safety
regulations may give rise to situations listed below.
Important operational functions of the factory may stop.
Maintenance may get difficult.
One may get injured by electrical, mechanical or
chemical hazards.
3.3. Safety Measures for Operator
Dangerous, hot or cold components in the pump area
must be covered so that one cannot touch them. Moving
components of the pump (such as coupling) must be
covered so that one cannot touch them. Those covers
must not be dismounted while the pump is running.
Dangers that results from electrical connections must be
removed. To get more information about this subject, you
can refer to domestic electrical instructions.
3.4. Safety Measures for Maintenance and Installation
The costumer must assure that all maintenance, check
and installment tasks are performed by qualified
personnel. Repair work must only be performed while the
machine is not running.
The pump and its auxiliary system must be cleaned
thoroughly if it contains hazardous liquids. At the end of
the repair work, all safety and protective equipment must
be re-installed.
3.5. Spare Parts Replacement
Replacement of spare parts and all modifications must be
done after contacting with the manufacturer. Spare parts
and accessories certified by the manufacturer are
important for the safe operation of the system.
Notice: MAS DAF MAKINA SANAYI A.Ş. is not responsible
from the usage of improper spare parts.
4. TRANSPORT AND STORAGE
Suction, discharge and all auxiliary fittings must be closed
during transport and storage. Dead-end covers must be
removed while the pump unit is being installed.
4.1. Transport
Pump and pump group must be carried safely to the
installation location by lifting equipments.
CAUTION
Current general lifting safety instructions must be applied.
Please use a suspension system shown in figurewhile you
are carrying and lifting the pump unit. The suspension
rings may be broken because of the excessive load and
may result in a damage of the pump. Prefer fabric cable for
suspension.
Incorrect lifting may damage the pump unit and cause
injuries.
Damages caused in transport
Check the pump when it is delivered to you. Please let us
know of there is any damage.
4.2. Storage
Please keep the unit clean and dry area during storage.
If the pump is out of use for a long time, please consider
the instructions below.
1. If there is water inside the pump, drain it.
2. Clean the pump casing and impeller by jetting clean
water for a short time.
3. Empty water inside the pump casing, suction line and
discharge line.
4. Add small amount of antifreeze inside the pump casing
if it is not possible to empty it completely. Rotate the
pump shaft by hand to mix the antifreeze.

6
5. Close the suction and discharge exits with gasket
6. Spray an anti-corrosive into the pump casing.
7. Rotate the pump shaft by hand once in every month, in
order to protect it from freezing and to lubricate the
bearings.
5. ASSEMBLY / INSTALLATION
5.1. Installation
The pump should be installed with the motorshaft vertical.
Ensure that an adequate supply of cool air reaches the
motor cooling fun. Arrows on the pump base show the
direction of flow of liquid through the pump.
Counter flanges, gaskets, bolts, rigid coupling sets are
available as accessories and have to be ordered separately.
Rigid coupling sets are available with threaded sockets or
sockets for welding. Isolating valves should be fitted either
side of the pump to prevent the system being drained if it is
necessary to clean, repare or replace the pump.
Install the pipes in such a way that air locks are avoided,
especially on the suction side of pump. Correct Pipework
shown in Figure 1.
Figure 1: Section Conditions
Care should be taken while fitting the pipes so that any
tension coused by variations in temperature does not
affect the pump.
If the pump is installed with long pipes, these should be
adequately supported before and after the pump.
If there is any risk of the pump being choked by sediments
leaves, twigs, etc. measures should be taken to prevent
this, a strainer should be fitted at the suction side of the
pump.
In the case of installations in which the discharge pipe has
been installed horizontally, or it slopes downwards away
from the pump, which can or must be drained in certain
periods, the pump should be protected against dry-run-
ning. This can be done byfitting a loop with a vacuum valve
close to the pump.
The highest point of the loop should at least be in level with
the lower edge of the pump motor.
The discharge pipe can then be drained independently of
the pump and vice versa.
The pump should not be run with a closed
discharge value as this will cause an increase
in temperature/formation of steam in the
pump which may cause damage to the pump. If there is
any danger of the pump running with a closed discharge
valve, a minimum liquid flow through the pump should be
ensured by connecting a bypass/a drain to the discharge
pipe. The drain can be connected to a tank.
5.2. Electrical Connection
• The electrical connections should be carried out by a
qualified electrician.
• To make sure the motor is suitable for the power supply;
cables of the motor must be connected to power supply
according to the figure on the terminal box and the motor
nameplate.
• Motor shall be connected with a fast and effective motor
starter, to ensure that the motor will not be damaged by
lack of phase, unstable voltage or overload. The motor
shall earth reliably.
CAUTION
Before take apart the terminal box cover or dismantle
pump, make sure that the power supply is switched off.
Warning – Electrical connection and safety devices
• The pump units should be connected to the power supply
by the appropriately rated power cables according to the
motor ratings.
• The pump units should always be equipped with safety
devices as required in the standards (EN 809 and/or
EN60204-1) as well as by the national rules of the country
where the pump is used.
• Despite the rules of any country, the power supply to the
pump unit must be equipped with at least following
electrical safety devices with appropriate ratings:
- Emergency switch
- Circuit breaker (as a supply disconnecting (isolating)
device as well as an over current protective device)
- Motor overload protection
Do not start the pump until it has been filled with liquid.
6. COMMISSIONING, START UPAND OPERATING
CAUTION
It is prohibited to run without liquid, which will damage
mechanical seal and sliding bearing.

CAUTION
Do not start your pump dry (WITHOUT WATER).
• Fill water in pump in inverse pouring system.
Close the pump outlet valve, release air vent screw on the
pump head and open the inlet valve slowly until stable
water flows from the air vent screw. Then fasten the
screw.
• Fill water in pump when liquid level is lower than pump.
Before installing, pump and pipes must be filled with liquid
fully and air vented.
6.1. Check the rotary direction
Switch on the power supply and view the rotary direction
by viewing the motor fan. From the motor end, pump shall
run counter-clockwise.
6.2. Check before pump start-up
• Check whether the pump is fixed securely.
• Check whether pump is filled with water fully and check
whether liquid can flow freely.
• Check whether the voltage of power supply is stable.
• Check whether it turns correctly.
• To make sure all pipe lines are connected tightly and can
supply water normally.
• The valves in the inlet pipe line are completely opened.
• The outlet valve shall be opened slowly after the pump is
started up.
• Check the operation pressure if pressure meter is
installed.
• Check all the controls for normal operation. If the pump is
controlled by pressure switch, check and adjust the
starting pressure and stopping pressure. Check the full
load current to make sure it not surpasses the max
allowed current.
6.3. Frequency of pump starts
• Pump should not be started too frequently. It is suggest-
ed pump shall not be started more than 100 times per hour
if the motor power is less or equal to 4 kW. When motor
power is big than 4 kW, pump shall not be started more
than 20 times in one hour.
• Suggestion: When pump running; flow should be
controlled at the range of 0.5-1.3 times of rated flow.
• There should be no noise when pump running. If there is
something wrong, stop pump and check it and repair.
6.4. Frost protecting
Pump can be used in the system with anti-frozen
measures. If the pump is installed in easily frozen environ-
ment, suitable antifreeze shall be added to the transfer-
ring liquid to prevent pump from being damaged. If
antifreeze is not used, pump shall not be used during
periods of frost. Pump should be drained when stops
using.
6.5. The following should be checked regularlyfor pump.
• Pump working and operating pressure
• Possible leakage
• Possible motor overheat
• Cleaning/replacement of all strainers (If strainers fit)
• The switch off time of motor overload
• Frequency of starts and stops
• All control operation
If find faults, check system according to “Possible Failures,
Causes, and Solutions”
• Pump shall be cleaned and kept appropriately when it is
not used for a long time.
• Pump shall be prevented from being corrupted and
damaged in storage.
7. MAINTENANCE
CAUTION
Maintenance operations must be done by authorized
personnel with protective clothing only. The personnel
must also beware of high temperatures and harmful
and/or caustic liquids. Make sure that the personnel read
carefully the manual.
• The instructions in Safety Precautions must be executed
during maintenance and repair
• Continuous monitoring and maintenance will increase
the engine’s and pump’ s lives.
The instructions below should be applied.
7.1. The Checks During the Operation
• Pump must never be operated without water.
• Pump must not be operated for a long time with the
discharge valve closed (zero capacity).
• Bearing temperature must never exceed 80°C if the
ambient temperature is 30°C
• Precautions must be taken against flare up when the
component temperatures are over 60°C. “Hot Surface”
warnings must be placed over necessary areas.
• All the auxiliary systems must be in use while the pump is
operating.
• There is no need for excessive maintenance because of
using mechanical seal. Water leakage from the mechani-
cal sealing indicates the fact that the sealing is worn out
and therefore needs to be replaced.
• If the system consists of a substitute pump, keep it ready
by operating it once a week. Check also the auxiliary
systems of the substitute pump.
HEXA Series
7

7.1.1. Component Check
7.1.1.1. Mechanical Seal
Mechanical seals are used in HEXA type pumps. Mechani-
cal Seals are absolutely leak-proof and needs less
maintenance than soft packing.
Mechanical seal;
1. Provides leak proof operation in heavy operating
conditions (inwaste water pumps, chemicalprocess and
refinery pumps).
2. Easily mountable and needs less maintenance.
3. Does not cause wearing on the shaft
4. Sealing operation does not depend on the quality of
shaft finishing.
7.1.1.2. Drive
Apply to the operating instructions of the motor manufac-
turer.
7.1.1.3. Auxiliary Components
Check regularly the fittings and the gaskets, replace the
worn out pieces.
7.2. Service
Our Customer Service Department offers after-sale
service. Manager should employ authorized and trained
personnel for mounting/dismounting procedures. Before
these procedures, one must make sure that pump interior
is clean and empty.
This criterion is also valid for the pumps which are sent to
our factory or to our service points.
Maintain the safety of the personnel and the
environment in every field procedure.
7.3. Spare Parts
The spare parts of HEXA type pumps are guaranteed for 10
years by MAS DAF MAKINA SANAYI A.Ş.
In your spare parts requests, please indicate the below
listed values that are indicated on your pump’s label.
Pump type and size:
Motor power and speed:
Pump serial number:
Capacity and head:
8. DISASSEMBLY, REPAIR AND REASSEMBLY
Before starting work on the pump set, make sure it is
disconnected from the mains and can not be switched on
accidentally.
Fallow the safety precautions outlined in “Important
Safety Precautions”.
• Fit discharge head on the motor. Fit mechanical seal. The
faces of mechanical seal should be lubricated.
• Fit the impellers, diffusers etc. in position according to
the drawing. Then fit impeller cover, tighten nuts, fit seal
circle on every diffusers.
• Fit suction head, stay bolts, tighten the nuts of stay bolts.
• Rotate the motor fan by hand to ensure that the shaft is
not choked.
• Reverse the process above can disassemble a pump.
8

9. POSSIBLE FAILURES, CAUSES, SOLUTIONS
Possible failures and solution strategies are listed in the table below. Please apply to the Customers’ Service Department
of our company when a generic solution is not found to your problem.
While the failures are repaired the pump must always be dry and un-pressurized.
Table 1: Possible Failures, Causes, Solutions
HEXA Series
9
POSSIBLE FAILURE CAUSES SOLUTIONS REMARKS
Motor does not run when started.
a)Power supply failure.
b)Fuses are blown.
c)Motor is overloaded.
d)Main contacts of starter are not connected
well or the coil is defective.
e)Control circuit is defective.
f) Motor is defective.
a) Check power supply.
b) Replace fuses.
c) Check system.
d) Replace motor starter.
e) Check control circuit.
f) Repair.
Overload device of motor starter
trips out immediately when power
supply is switched on.
a) Fuses are blown.
b) Contacts of overload device are faulty.
c) Cable connection is loose or faulty.
d) Motor winding is defective.
e) Pump mechanically blocked.
a) Replace fuses.
b) Check motor starter.
c) Check cables and power supply.
d) Replace motor.
e) Check and repair pump.
In the case of d) and
e), users shall not
disassemble the
pump by themselves.
Overload device trips out
occasionally.
a) The setting of overload is too low.
b) Periodic power supply faults.
c) Low voltage at peak times.
a) Reset overload setting.
b) Check power supply.
c) Add regulator.
Motor starter has not tripped out
but the pump does not run.
a) Contacts of starter are notcontacted well
or the coil is faulty.
b) Control circuit are defective
a) Change motor starter.
b) Check control circuit.
Pumped water does not flow
constantly.
a) Suction pipe is too small.
b) There is not sufficient water in pump water
inlet.
c) Liquid level is low.
d) Pump inlet pressure is too low compared
with water temperature, pipeline loss and
flow.
e) Suction pipe is blocked by impurities.
a) Enlarge inlet pipeline.
b) Improve system and increase
coming water.
c) Try to lift liquid level.
d) Improve system and try to
increase the inlet pressure.
e) Check and clear impurities.
Pump runs but gives no water.
a) Suction pipe is blocked by impurities.
b) Foot valve or check valve is closed.
c) Leakage in suction pipe.
d) There is air in suction pipe or pump.
a) Check and clean suction pipe.
b) Check and repair foot valve or
check valve.
c) Check and repair suction pipe.
d) Refill liquid, release air.
Pump runs backwards when
switched off.
a) Leakage in suction pipe.
b) Foot valve or check valve is defective.
c) Foot valve is blocked in opened or partly
opened position.
d) There is air in suction pipe.
a) Check suction pipe.
b) Check and repair foot valve or
check valve.
c) Check and repair foot valve.
d) Check and repair suction pipe and
release air.
Abnormal vibration or noise from
pump.
a) Leakage in suction pipe.
b) Suction pipe is too small or suction pipe is
partly blocked by impurities.
c) There is air in suction pipe or pump.
d) The comparison of the delivery head of
device with delivery head of pump is very
low.
e) Pump mechanically blocked.
a) Check and repair suction pipe.
b) Enlarge or check situation pipe.
c) Refill liquid to the pump and vent
air.
d) Improve system or choose
another pump model.
e) Check and repair pump.
In the case of e),
users shall not
disassemble the
pump by themselves.

10
10. HEXA DRAWING FOR DISMANTLING
Figure 2: Exploded View
Table 2: Part List
Part No Part Name Part No Part Name Part No Part Name
1 Suction / Discharge Casing 20 Impeller 321 Protection Bolt
2 Ball-Shaped Lining 60 Shaft 340 Imbus Bolt
4 Base Plate 67 Impeller Spacer Bushing 360 Nut for Stud
5 Casing Flange 69 Spacer Bearing Bushing 370 Fibered Nut
6 Coupling Guard 230 Wave Spring 390 Coupling Pin
8 Inlet Fluid Director 250 Mechanical Seal 400 O-Ring
9 Fluid Director with Bearings 260 Setting Valve 400 O-Ring
10 Fluid Director 261 Air Valve 600 Coupling
11 Outlet Fluid Director 302 Stud 612 Outside Cylinder (Shield)
12 Adapter 320 Hexagonal Bolt 630 Motor

Model
Max. Inlet Pressure
(bar)
HEXA 2
2 – 2 6
2 – 3 ~ 2 – 11 10
2 – 13 ~ 2 – 26 15
HEXA 4
4 – 2 6
4 – 3 ~ 4 – 10 10
4 – 12 ~ 4 – 22
15
HEXA 8
8 – 2/1 ~ 8 – 6 6
8 – 8 ~ 8 – 20
10
HEXA 12
12 – 2 ~ 12 – 4 6
12 – 5 ~ 12 – 18 10
HEXA 16
16 – 2 ~ 16 – 3 6
16 – 4 ~ 16 – 16 10
HEXA 20
20 – 1 ~ 20 – 3 6
20 – 4 ~ 20 – 17 10
HEXA 32
32 – 1 – 1 ~ 32 – 2 – 2 3
32 – 2 ~ 32 – 40 4
32 – 5 – 2 ~ 32 – 10
10
32 – 11 ~ 32 – 14 15
HEXA 45
45 – 1 – 1
3
45 – 1 ~ 45 – 2 4
45 – 3 – 2 ~ 45 – 5 10
45 – 6 – 2 ~ 45 – 13 –2 15
HEXA 64
64 – 1 – 1 ~ 64 – 2 – 2
4
64 – 2 – 1 ~ 64 – 3 10
64 – 4 – 2 ~ 64 – 8 – 1 15
HEXA 90
90 – 1 – 1 ~ 90 – 1 4
90 – 2 – 2 ~ 90 – 3 – 2 10
90 – 3 – 1 ~ 90 – 6 15
Model Curve Number
HEXA 2
2 – 2 – 15 1
2 – 18 ~ 2 – 26 2
HEXA 4
4 – 2 ~ 4 – 16 1
4 – 19 ~ 4 – 22 2
HEXA 8
8 – 2/1 ~ 8 – 12 1
8 – 14 ~ 8 – 20 3
HEXA 12
12 – 2 ~ 12 – 10 1
12 – 12 ~ 12 – 18 3
HEXA 16
16 – 2 ~ 16 – 8 1
16 – 10 ~ 16 – 16 3
HEXA 20
20 – 1 ~ 20 – 8 1
20 – 10 ~ 20 – 17 3
HEXA 32
32 – 1 – 1 ~ 32 – 7 1
32 – 8 – 2 ~ 32 – 12 4
32 – 13 ~ 32 – 14 5
HEXA 45
45 – 1 – 1 ~ 45 – 6 1
45 – 7 – 2 ~ 45 – 9 4
45 – 10 – 2 ~ 45 – 13 – 2 5
HEXA 64
64 – 1 – 1 ~ 64 – 5 1
64 – 6 – 2 ~ 64 – 8 – 1 4
HEXA 90
90 – 1 – 1 ~ 90 – 5 – 2 1
90 – 5 ~ 90 – 60 4
11. MAXIMUM INLET PRESSURE
The maximum inlet pressure is shown in the table below.
But the actual inlet pressure plus the value close pressure
of the pump shall be lower than the max. allowable
working pressure.
Table 3: Maximum Inlet Pressure
12. MAXIMUM WORKING PRESSURE
Table 4: Maximum Working Pressure
11
HEXA Series

12
13. HEXA SERIES MEI VALUES TABLE
Table 5: MEI Values
PUMP TYPE
2900 RPM
MVE Values
HEXA 1 FOR ALL STAGE NUMBERS
≥ 0,4
HEXA 2 FOR ALL STAGE NUMBERS
≥ 0,4
HEXA 3 FOR ALL STAGE NUMBERS
≥ 0,4
HEXA 4 FOR ALL STAGE NUMBERS ≥ 0,4
HEXA 8 FOR ALL STAGE NUMBERS
≥ 0,4
HEXA 12 FOR ALL STAGE NUMBERS
≥ 0,4
HEXA 16 FOR ALL STAGE NUMBERS
≥ 0,4
HEXA 20 FOR ALL STAGE NUMBERS
≥ 0,4
HEXA32 10-1
≥ 0,4
HEXA32 20-2
≥ 0,4
HEXA32 30-2
≥ 0,4
HEXA32 40-2
≥ 0,4
HEXA32 50-2
≥ 0,4
HEXA32 60-2
≥ 0,4
HEXA32 70-2
≥ 0,4
HEXA32 80-2
≥ 0,4
HEXA32 90-2
≥ 0,4
HEXA32 100-2
≥ 0,4
HEXA32 110-2
≥ 0,4
HEXA32 120-2
≥ 0,4
HEXA32 130-2
≥ 0,4
HEXA42 10-1 ≥ 0,4
HEXA42 20-2
≥ 0,4
HEXA42 30-2
≥ 0,4
HEXA42 40-2
≥ 0,4
HEXA42 50-2
≥ 0,4
HEXA42 60-2
≥ 0,4
HEXA42 70-2
≥ 0,4
HEXA42 80-2
≥ 0,4
HEXA42 90-2
≥ 0,4
HEXA42 100-2
≥ 0,4
HEXA 65 FOR ALL STAGE NUMBERS
≥ 0,4
HEXA 85 FOR ALL STAGE NUMBERS
≥ 0,4

NOTES :

NOTES :

NOTES :

Head Office / Center Service
Aydınlı Mah. Birlik OSB. 1 Nolu Cd.
No: 17 Tuzla 34953 İstanbul / Turkey
Phone: [phone] Fax: [phone]
Customer Service: [phone]
e-mail: [email protected]
www.masgrup.com