IWAKI PUMPS MDF-L250, MDF-L401lMDF-L422, MDF-L series, MDF-L505, MDF-L507 Instruction Manual
...
Read this manual before use of product
IWAKI Magnetic Drive Pump
Model MDF-L
Instruction Manual
Thank you for selecting the IWAKI Magnetic Drive Pump type MDF-L. This instruction
manual has been prepared to ensure correct and safe handling of the pump. Please read this
manual carefully and thoroughly prior to operating the pump.
Pay special attention to the "Safety Instruction to Prevent Personal Injuries," "Warning," and
"Caution" messages included in this manual.
This instruction manual should be kept by each end user and within reach of the actual
operator, for quick reference when needed.
Contents
IMPORTANT INSTRUCTIONS ················································ 1~~5
Safety Instructions to Prevent Personal Injuries
OUTLINE OF PRODUCT······················································ 6~~14
1. Before Using Pump ·································· 7
2. Operating Principle ··································· 7
3. Identification Codes ·································· 8
4. Specifications
and Outer Dimensions ····························· 9
5. Names of Parts ······································ 11
PUMP OPERATION ···························································· 15~~30
1. Handling Instructions ····························· 16
2. Installation ·············································· 21
3. Piping ····················································· 22
4. Wiring ····················································· 26
5. Operation Step ······································· 27
MAINTENANCE ··································································· 31~~43
1. Causes of Trouble
and Troubleshooting ································32
2. Maintenance and Inspection ·················· 35
3. Spare Parts ············································ 39
4. Disassembly and Assembly ··················· 40
Please contact the IWAKI sales office or IWAKI dealer for any
inquiries or questions regarding this product.
- 1 -
IMPORTANT INSTRUCTIONS
Important notes and statements for safe operation, preventing physical injury, and property damage,
are included on the body of the product and in the attached instruction manual.
Always Observe These Safety Instructions!
Safety Instruction to Prevent Personal Injuries
Warning
Ignoring this message can lead to improper
handling resulting in death or serious injury to the
operator.
Caution
Ignoring this message can lead to improper
handling resulting in injury to the operator or
damage to the product.
- 2 -
Caution
Wear
protective gear
Caution
Prohibited
Power off
Caution
Prohibited
Caution
Prohibited
Wear
protective gear
Safety Section
WARNING
• Damaged or deteriorated tools are very dangerous. Use qualified and suitable
tools only.
• Use of protectors: When disassembling, assembling, and conducting maintenance
or when handling a dangerous type of liquid or a liquid of unknown property, be sure
to wear safety gloves, a helmet, and protective shoes. In addition, when handling
wet-end parts, always wear protective goggles, masks, etc.
• To prevent death or injury from a falling pump, make sure the rope or chain used
for lifting the pump is not accidentally cut or disconnected during installation. Make
sure the rope or the chain used to lift the pump has sufficient strength in relation to
the pump load. Also, be sure not to stand underneath a lifted or suspended pump.
• When fixing the pump with rope or chain, be sure to use special bolts (or rings) for
lifting. Never use any other points for lifting the pump.
• Always turn off the power supply prior to servicing the pump. Make special pro-
visions so that no other operator mistakenly turns on the power supply while someone is working on the pump. In a noisy or poor visibity environment, display a sign
near the power supply switch to notify others that someone is "WORKING" on the
pump. Power supply mistakenly turned on during maintenance may lead to personal
injury. Each operator must be especially careful of power supply operation.
• To ensure greater safety, check and make sure that there is no one near the
pump when switching on the power supply. The pump is not equipped with an
ON/OFF switch. Connecting the power cable supplies the power to the pump and
starts the operation.
• Run the pump at the specified power supply voltage on the nameplate only.
Otherwise, fire or electric shock may result.
• If the pump operation is stopped due to a power failure or closure of discharge
wire, turn off the power switch at once. After normal conditions return, turn the
switch on again.
• Do not use the pump for anything that it is not designed to do. User’s failure to
observe this instruction exempts IWAKI from any responsibility for personal injury or
damage to the equipment or facility caused by the pump’s misuse.
• When handling a toxic or odorant liquid, ventilate the working area well. In addi-
tion, the operator must wear protector gear (such as a safety mask, safety goggles,
and protective gloves).
WARNING
• Do not allow toxic substances such as lubricants, solvents, or similar substances to flow into the local sewage system or river systems. Do not drain haz-
ardous liquids such as chemical solutions discharged out of the pump directly onto
the ground. Instead, drain such liquids into some kind of container. Observe the
laws and regulations related to the application, handling, and processing of hazardous substances.
• Do not pass under a raised pump.
Never pass under a raised pump. A serious injury could occur if the pump is accidentally dropped.
• No remodeling!
Remodeling of the pump by the user may result in serious personal injury, electric
shock, or damage to the pump. Do not attempt remodeling as it is very dangerous.
• Cautions when dangerous liquids are transferred.
When the pumps are used to transfer the dangerous liquids mentioned as below, the
pumps always must be checked and watched so that the liquids can not be leaked.
The operation of the pumps leaking the liquids may result in personal injury and/or
explosion, fire accidents.
• Explosive, fire-spreading and inflammable liquids
• Corrosive and stimulus toxic liquids
• Liquids detrimental to health
CAUTION
• Qualified operators only!
The pump operator and pump operation supervisor must not allow any operators who
have little or no knowledge of the pump to run operate the pump. Pump operators
must have a sound knowledge of the pump and its operation.
• For specified application only
The pump is designed and manufactured to the specifications agreed upon by the
user and IWAKI. The use of a pump in any application other than those clearly specified may result in injury or damage to the pump. Use the pump strictly in accordance
with the pump specifications and application range. If you change any specification,
contact IWAKI or your dealer.
• Ventilate!
Poisoning may result during an operation which involves toxic or odorous liquid.
Ventilate the operating site sufficiently.
- 3 -
Prohibited
No Remodeling
Safety Section
Prohibited
Caution
CAUTION
• Spill-out prevention measures
Appropriate protective measures should be taken against any spill-out accidents
involving the operating liquid as a result of unexpected damage to the pump or the
piping. Never discharge hazardous liquid, including, but not limited to, chemical liquid, over the ground or floor on the pump operating site. Follow local rules and regulations in disposing of hazardous substances.
• Do not operate the pump dry.
Do not run the pump dry (without liquid inside the pump). Heat generated as a result
of abrasion between elements inside the pump during operation without liquid may
damage the inside of the pump. Operating the pump with the suction valve fully
closed will result in dry operation.
• Keep away from heat or flame.
Do not place any open flame or flammable object near the pump.
• Do not stand on the pump.
Do not stand on the pump or use the pump as a step under any circumstances.
Otherwise, you may experience a serious injury.
• Do not touch the pump.
When the pump is used to feed a hot liquid, do not touch the pump or the piping with
your bare hands during and immediately after operation as their surfaces are dangerously hot.
• Arrange grounding!
Do not operate the pump without connecting the grounding wire. Otherwise, an electrical shock may result. Make sure the grounding wire is connected with the grounding terminal.
• Install an earth leakage breaker
The operation of a pump without using an earth leakage breaker may cause an electrical shock. Please install an optional leakage breaker in the system.
• Do not install or store the pump in the following places.
• Places where flammable gas, dust or material is used or placed.
• Places where corrosive gas (chlorine gas or the like) is generated.
• Places where the ambient temperature is extremely high (40 °C or higher) or
extremely low, 0 °C or lower.
• Places where the pump is exposed to extreme dust or humidity. (Excluding the out-
door type)
• Places where vibrations occur.
- 4 -
Caution
Grounding
Caution
Prohibited
Prohibited
Prohibited
Electrical
Shock
Safety Section
Prohibited
CAUTION
• Pump start-up
When connecting a power supply to the pump, make sure there is no person around
the pump. The pump has no ON/OFF switch. The pump starts operation when the
power is supplied by connecting the power supply cable.
• Foreign matter
Should foreign matter enter the pump, turn off the power at once and remove the
obstruction. Using the pump with foreign matter inside may cause damage to the
pump or a malfunction.
• Disposal of used pump
Disposal of used or damaged pumps must be done in accordance with local laws and
regulations. (Consult a licensed industrial waste products disposing company.)
• Handling of magnet coupling
The magnet used in the pump has a very high magnetic power. Be careful not to
allow your fingers to be seized by the magnet or to allow the magnet near any electronic device which may be affected by the magnet's power.
• Suspending pump operation for a prolonged period
When suspending pump operation for a prolonged period, drain the pump and clean
inside the pump. Take appropriate measures to prevent the entrance of foreign matter into the pump. If the pump is not operated for a period longer than one year,
replace the O ring and inspect inside the pump.
• Countermeasure for static electricity
When low electric conductivity liquid such as ultra-pure water and fluor inactive
liquid(e.g.FluorinertTM) are handled, the static electricity may be generated in pump,
which may cause static discharge and break down. Take countermeasure to avoid
and remove static electricity.
- 5 -
Caution
Caution
Safety Section
OUTLINE OF PRODUCT
1. Before Using Pump ........................... 7
2. Operating Principle ........................... 7
3. Identification Codes .......................... 8
4. Specifications and
Outer Dimensions ................... 9
5. Names of Parts ............................... 11
- 6 -
- 7 -
After unpacking, check the following points to confirm that
the delivered product and its accompanying parts and
elements are exactly what you ordered.
When lifting the pump please follow the procedure
mentioned "2. Installation" of "Pump operation".
[1] Do the model and frequency indicated on the nameplate
conform to your order?
[2] Prior to the installation of the MDF-LMKK pump
(using SiC liner ring and mouth ring), remove the
cardboard pad inserted inside the suction port.
[3] Has the pump unit or any part of it been damaged or
bolts and nuts been loosened during delivery?
[4] The fourth numeral of the MFG. No. shows the year the
product was manufactured.
(e.g.) ×××5×××
"5" shows the product was manufactured in the year
1995.
If you find anything wrong, please refer to the dealer you
placed your order with.
1. Before Using Pump
2. Operating Principle
The MDF-L pump is a magnet-driven centrifugal type
pump developed for various applications.
The impeller inside the pump chamber (front casing) is
rotated by magnetic force to transfer liquid from the suction
side to the discharge side.
The MDF-L type pump features excellent corrosion
resistance, durability, and safety, and serves as a chemical
pump for various processes. Most chemicals can be
handled by the pump.
Iwaki Magnet Pump
MODEL
HEAD (m)
CAPACITY (R/ min)
kW
5 0
Hz rpm
MFG.No.
IWAKI EUROPE GmbH
MADE IN JAPAN
MDF - L
Year:
2P406187
: Flow of liquid
: Direction of impeller rotation
Discharge side
Suction side
Impeller
Front casing
MDF-L Type Series
Shows discharge port diameter
(42 shows 40)
0: 0.37 kW 1: 0.75 kW 2: 1.5 kW 3: 2.2 kW
5: 4 kW 7: 5.5 kW 10: 7.5 kW 15: 11 kW
CF: High density carbon/Alumina ceramics 99.5%
AA: Alumina ceramics 99.5%/Alumina ceramics 99.5%
* SiC/SiC is used in the model 6515.
KK: SiC/SiC
V: FKM E: EPDM A: AFLAS
®
FKM, AFLAS®: Fluoro rubber
EPDM: Ethylene propylene rubber
T, V, W: Standard
K, L: For high head applications
No mark: Standard
D, E: Pin-point contacting bearing system
(Standard models for 250, 401, 422, 423 and
425)
H, DH, EH:For up to 100 ˚C model (call it "H" type)
q Series
w Size of pump:
e Motor output
r Material of bearing/spindle
t Material of O ring and gasket
y Code of impeller
u Construction code
- 8 -
3. Identification Codes
Example:
MDF-L 42 5 CF V T - D
qwertyu
- 9 -
4. Specifications and Outer Dimensions
MM
Standard specifications
25×25
MDF-L401
Port Diameter
Suction Port ×
Discharge Port
Standard Performance
m-R/ min.
Model
Impeller
Code
Rated
speed
(min-1)
Motor
Output
kW
50Hz
K
12.2 - 50
T
7.3 - 150
V
5.6 - 150
W
3.0 - 150
K
16.8 - 100
T
4.5 - 200
V
8.3 - 200
W
4.8 - 200
K
T
V
W
K
L
T
V
W
T
V
W
T
V
W
K
T
V
W
T
V
W
K
T
V
W
T
V
W
40×40
50×40
50
×40
50
×40
65
×50
80
×65
MDF-L250
MDF-L422
MDF-L423
MDF-L505
MDF-L425
MDF-L507
MDF-L657
MDF-L6510
MDF-L6515
20 - 200
18 - 200
14 - 200
10.5 - 200
28.5 - 150
21.5 - 300
19.5 - 300
15 - 300
11.5 - 300
25.5 - 400
21 - 400
12 - 400
17 - 600
12.5 - 600
8.5 - 600
32.5 - 500
29 - 600
19.5 - 600
12.0 - 600
18.5 - 1000
10.5 - 1000
6.5 - 1000
30.5 - 800
26 - 1000
14.8 - 1000
9.5 - 1000
33 - 1000
24.8 - 1000
15 - 1000
2900
0.37
0.75
1.5
2.2
5.5
4
7.5
11
50Hz
e
a
b
d
g
f
H
j
h
W
i
L
k
Model
Mass (kg)
250 401 422 423 425 505 507 657 6510 6515
- 10 -
Model
MDF-L250
MDF-L401
MDF-L422
MDF-L423
MDF-L425
W
205
233
251
H
237
275
295
L e
143
250
275
d
95
111
106
c
51
58
65
b
150
170
180
a
110
130
140
k
4-ø12
4-ø14
j
25
40
50
i
25
40
h
88
102
87
g
122
140
f
115
135
155
Model
MDF-L505
MDF-L507
MDF-L657
MDF-L6510
MDF-L6515
W
298
H
340
360
410
L f
180
230
e
285
365
450
d
90
108.5
108
b
280
a
220
k
4-ø14
j
65
80
i
50
65
h
80
100
g
160
180
MM
Mass
MM
Outer dimensions
e d
g
f
H
j
h
L
b
a
c
W
i
k
- 11 -
5. Names of Parts
MM
Names of Parts
• MDF-L250 and 401
No.
1
2
3
5
7
8
9
11
12
13
15
16
17
No.
18
19
20
21
22
23
24
25
26
Q'ty
1
1
1
1
1
1
2
1
1
1
2
Parts name
Material
M8×65, WITH SW, Q'TY5
FERRITE MAGNET+ALUMINUM ALLOY
STNLS STL
FC200
CFRETFE
PTFE
CFRETFE
M8×35, WITH SW, Q'TY1
M8×70, WITH SW, Q'TY5
M8×40, WITH SW, Q'TY3
Model 250
Model 401
Remarks
Front casing
Rear casing
Impeller
Drive magnet unit
Hex. head bolt
Hex. head bolt
Foot support
Cover A
Cover C
Cover B
Magnet capsule
Motor
Cap
Q'ty
Parts name
Remarks
Model 401Model 250
JIS B 2401
G 135
Only "H" type
Material
KK-EAA-ECF-D
PTFE
V: FKM E: EPDM A: AFLAS
Steel
STNLS STL
High density
carbon
Alumina ceramics 99.5%
SiC
®
1
1
1
1
1
1
2
1
1
Liner ring
Impeller thrust
Spindle
Bearing
Mouth ring
Oring
Gasket
Eye bolt
Rear casing cover
JIS B 2401
G 160
Only model 401
16
132
25
9
11
1
12
22
18
3
17
24
23
19
15
21520
26
87
• MDF-L422, 423 and 425
- 12 -
No.
1
2
3
5
7
8
9
11
12
13
15
No.
18
19
20
21
22
23
24
25
29
Q'ty
1
1
1
5
1
1
1
2
1
1
Parts name
Material
M10×40 WITH SW
RARE EARTH MAGNET+FCD450
FC200
CFRETFE
CFRETFE
M10×75 WITH SW
Front casing
Rear casing
Impeller
Drive magnet unit
Hex. socket head bolt
Hex. socket head bolt
Foot support
Cover A
Cover C
Cover B
Magnet capsule
Motor
Cap
Q'ty
Parts name
Remarks
JIS B 2401 G 165
Material
KK-EAA-ECF-D
PTFE
V: FKM E: EPDM A: AFLAS
Steel
STNLS STL
High density
carbon
Alumina ceramics 99.5%
SiC
®
1
1
1
1
1
1
2
1
1
Liner ring
Impeller thrust
Spindle
Bearing
Mouth ring
O ring
Gasket
Eye bolt
Retainer ring
AS568-129
80
V, A: FKM E: EPDM
1
O ring
PTFE
16
17
1
1
2
STNLS STL
Remarks
80
29
87
20 5 211519
16
9
25
2
13
11
1
12
22
23
24
17
3
18
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