ANTI-FOULING SYSTEM

(Marine Growth Preventing System)

INSTRUCTION MANUAL

SEHONG Co.,Ltd
WILSON WALTON KOREA
876-4, MAEGOK-DONG, YANGSAN-SI GYEONGNAM-DO, KOREA
(82)55-375-1117, FAX: (82)55-375-1116
E-mail: sehong@sehong.co.kr

1
 INDEX
1.0 INTRODUCTION

1.1 General System Description

1.2 Safety Precautions

2.0 MATERIALS AND EQUIPMENT

2.1 Electrical
2.1.1 Power Control Unit
2.1.2 Electric Cable
2.1.3 Junction Box
2.2 Alloy Anodes

3.0 INSTALLATION INSTRUCTIONS

3.1 Power Control Unit

3.2 Connecting Cables/Junction Boxes
3.3 Anode/Cofferdam/Flange
3.4 Anode Replacement Procedure

4.0 COMMISSIONING

5.0 OPERATION & DISPLAYS

6.0 MAINTENANCE

7.0 ELECTRICAL SAFETY WARNING

8.0 GENERAL INFORMATION

2
1.0 INTRODUCTION

2.0 General System Description

Principle of Operation. Marine fouling and biological fouling cause in seawater

circulation systems. This involves the establishment of
marine plants and animals, and bacterial growths. These
fouling organisms enter the system in macroscopic form,
larvae and spats, settle and develop into adult forms
wherever favorable conditions exist.

Hard fouling by mussels, barnacles etc. most commonly

occurs in seawater circuits and can result in interference in
flow conditions, blockage and increased corrosion.
Traditional chemical methods of water treatment to prevent
fouling are now less favored particularly, for example,
chlorination. Chlorine accelerates corrosion rates, usually by
causing pitting attack on steel, is environmentally
unacceptable.

The MGPS System The MGPS system direct current applied to the copper
anode(s) releases a controlled quantity of copper ions into
the system to create an environment in which primary forms
of marine life do not grow.
2+
*Reactions: Cu Anode Cu → Cu + 2e
Cathode (pipe) 2H2O → H2 + 2OH-

Current releases to the aluminum anodes to precipitate of

aluminum hydroxide.
The aluminum hydroxide products reduce corrosion
rates on ferrous components in the seawater system by
modifying the ferrous oxides formed and film deposition.
*Reactions: Al Anode Al → Al3+ +3e
Cathode (pipe) 3H2O + 3e → 3/2H2 + 3OH-
Product of AL(OH)3 Al3+ + OH- → Al(OH)3

The MGPS system is automatic. Constant Amp output

regardless water condition. Output Volt was controlled
automatically based on water resistance.

3
 Requires minimal maintenance and is environmentally
friendly. Mussels are not killed by the system: the
environment it creates prevents them settling or developing.
A further benefit of the MGPS system is that potable water
distillation plants can be operated without interruption.

Controller Power Unit The power control system is designed for power
supplies of 110/220/440V at 50-60Hz. It is housed in an
coated steel; glass fronted cabinet. The system supplies
minimum two and maximum eight Anode, the current for
each anode being adjusted by a front panel control knob. The
current flowing to each anode is indicated by digit display.
This allows visual monitoring of all the separate anode
currents.

Anode functions are as follows:

WW-Cuproline: Antifouling

WW-Aloline Reduction in corrosion of steel materials

WW-Ferroline: Reduction in corrosion of copper based materials

2.1 General Safety Precautions for Electrical Equipment

The following is given as a guideline only and the operators won safety rules and
regulations should be followed at all times.

When power off

1. Isolate the supply, carry out the “Tag Out” system drill or equivalent as
specified by operators own safety procedures.

2. Obtain an approved voltage tester and check it against a known good power
supply. Test the equipment circuits across all lines and between each line and
earth to ensure that it has been isolated from its power supply before you touch it.
Check the tester again after use.

3. Ensure that any capacitors associated with the equipment are fully discharged,
fitting shorting straps if necessary.

When power on

Work on ‘live’ equipment is only to be carried out if there is no alternative.

Personnel involved must be briefed on the precautions.
1. Do not take risks.

4
2. Wear electrically insulated gloves if practicable.

3. Use insulated tools if practicable.

4. Stand on rubber insulating mats. Avoid leaning on adjacent bulkheads of equipment.

5. Wear insulating footwear. Certain types of footwear contain conducting material and
are not electrically safe.

6. Be aware of the voltages that are or can be present.

7. Do not rely on interlocks or other safety devices.

8. Unless essential do not render interlocks or safety devices inoperative.

9. Do not work alone. Make sure your assistant knows the electric shock procedure,
also where and how to isolate the power supply in an emergency.

10. Take particular care that tools do not cause short circuits.

11. Work with one hand possible, keeping the other away from live circuits and
components.

5
 3.0 MATERIALS AND EQUIPMENT

2.1 Electrical

3.1.1 Power Control Unit

3.1.2 Electric Cable
2.1.3 Junction Box

2.1.1 Power Control Unit

The Power Control Unit is of modular construction with A.C. input and D.C. output via
individual modules as illustrated by Drawing No. AM 1416.

The system supplies four/six/eight anodes, The unit has two/three/four separate
positive outputs each of capacity 3 / 5 / 8 amps, again dependent on system
requirements.
A common negative return exists for all modules.

Options: Power Units can be provided with the following as optional extras:
a. Air Cooling Fan
b. An input power supply failure alarm

2.1.2 Cable

(a) Input
The A.C. supply cables size is rated according to the maximum D.C. output of the
power unit. Usually, a very small conductor size is adequate but for physical
and electrical reasons. That may require use dictated cable by ship classification
requirements.
5 Amp input fuse is provided for the units.
Input cable size of minimum cross-section 2.5sqmm per conductor is
recommended.

(b) D.C. Output

The D.C. Output from each line is connected between anodes to module, and will
returning negative via junction box to ship’s hull.

1 X 4㎟ or 1 X 6㎟ cable is adequate for distribution to the anodes without

voltage drop. The D.C. cables may be single core cables for individual output or
3 core cables per module output; two positive to Cu line and Al line respectively
and one negative to Hull.
Cable voltage rating is not important; units operate voltage will below 18 volts
D.C., the maximum output of the power unit.

6
 (c) Earthing
An insulated earthing cable minimum 1 X 5.5 ㎟ should be connected from the
panel’s earth connection to suitable external earth point via junction box.

2.1.3 Junction Boxes (Optional Supply)

These should be intrinsically safe or have an IP rating to client specification. Sehong
Co.,Ltd(Wilson Walton Korea) supply junction boxes are rated to IP 55, typical
construction is shown in drawing, with input 3 x 5.5 ㎟ and 3 separate outputs to Cu
line, Al line and negative return line (earth) respectively.

2.2 Alloy Anodes

A typical anode assembly, complete with cofferdam and mounting flange is shown in drawing.
The same type of assembly construction is used for Cu line, Fe line and Al line Anodes.

Typical standard anode sizes are given below for various flow rates and a 5year dry docking or
anode replacement period. Anode length refers to the total length of anode material.

(a) The space available to install anode assemblies.

(b) The period of use prior to dissolution and replacement. (For sea chest locations, the
replacement period is generally the dry docking interval.)

3.0 INSTALLATION INSTRUCTIONS

Three separate stages are involved.

3.1 Installation of the Power Control Unit

3.2 Connecting Cable/Junction Box

3.3 Anode/Cofferdam/Flange

3.1 Power Control Unit

The control panel should be located as near as possible to A.C. power supply and the anode
locations (to minimize the D.C. cable length and voltage drop).

Input supply voltage tolerance is plus or minus 20% of rated capacity. There are no
tolerances specified for the output voltage as this is a constant current system and the voltage
is therefore widely variable dependent on several factors including anode size and temperature.
The operational range for output voltage is 0v-18VDC

7
 The control panel location should meet the following requirements:
(a) Ambient temperature was less than 50℃ (Unit rated to 55deg℃)

(b) Adequate space around unit to assist ventilation

(c) Approx. head height max to facilitate reading and output adjustment or servicing

(d) Be easily accessible

(e) Be in a safe non-hazardous environment

(f) Bulkhead mounted or secured to a suitable base

3.2 Cable Connections-Power Control Unit/Junction Box/Anodes

Input A.C. cable connection points and earthing cable connections are clearly marked in the
power control unit.

Similarly positive output terminal on each line are evident with a common negative cable
connection. Cable sizing and specification for input and output are described in Section 2.1.2
The D.C. supply cable to the anodes should be connected to the intermediate junction box.

A junction box is provided with shrouded gland inputs and anode/sea chest output connections,
see Drawing No. AM 1164

Anode cables and negative return should be connected to the Junction Box.

3.3 Anode/Cofferdam/Flange

Anodes should be installed in the position specifically shown or advised for each vessel.

The anode are installed in the selected compartments, namely sea chests, or injection
strainers.

(a) The agreed positions for the apertures for the cofferdam entry points should be marked
and burnt/cut out taking precautions to protect surrounding equipment with heat resistant
blankets etc. A stand-by fire extinguisher should be provided.

(b) The mating flange to receive the anode and cofferdam flange should be welded in position
- welding on both inside and outside joints.

8
 (c) All weld scales should be removed and any damaged paint work reinstated.

(d) Lift cofferdam at flange using 2x eyebolts supplied.

Carefully lift the anode/cofferdam, flange assembly and lower the anode onto the sea chest
or strainer mating flange, marking sure that the rubber gasket is in position. Evenly tighten
down the anode flange bolts.

(e) Make the negative cable connection onto the hull. AFTER marking this connection, the
stud and nut assembly should be completely covered with a light coating of Marine
Lubricant.

(f) Secure anode cables and negative single cable together and take back for connection in
the junction box.

Anode Type Cofferdam Colour Cable Colour

WW Cuproline Blue Red
WW Aloline White Blue
WW Ferroline White Blue

Note: Cable color scheme is indicative only and refers only to Sehong Co.,Ltd (Wilson
Walton Korea) standard supply cable. Where client specified cable is supplied it may not
be possible to match this color scheme.

3.4 Anode Replacement Procedure

Power to the anodes must be switched off before carrying out the following procedure.
If Anode are installed on sea chest, must be carried out in dry dock or the sea chest completely
sealed off by diver to prevent ingress of water.
If Anode was installed on strainer or treatment tank, must be close inlet & outlet ahead.

(a) Open a cofferdam lid and disconnect anode cable

(b) Remove the cofferdam flange securing bolt and nuts.

(c) Carefully lift out the anode/cofferdam assembly.

(d) Locate complete assembly and secure with the eight (8) cofferdam flange bolt and nuts.
Ensure gasket is in position and tighten down evenly.

(e) Connect anode cable.

9
4.0 COMMISSIONING AND FAULT FINDING

4.1 Commissioning
(ONLY TO BE CARRIED OUT WHEN THE VESSEL IS AFLOAT)

(a) Check all cable connections at power control unit, Junction box and anodes.

(b) Identify each positive output and relevant anode, and record the same.

(c) Ensure negative return cable (earth cable) security connected.

(d) Ensure that all anode output dials and adjustment knobs are in the zero position.

(e) Switch on A.C. supply and measure that same to design.

(f) Turn on panel switch.

(g) Adjust output to the recommended current values on each anode.

(h) A specific data sheet for each vessel stating anode sizes,

Locations and operating conditions is provided (Section 6.0). This data sheet is for completion
on board by the vessel’s engineers after installation and testing of the equipment has been
carried out. All anodes are designed with a + 5% margin allowing for overrun and higher current
settings if required.

NOTE
If require check a condition of Anode, take off anode cable ahead.
Before launching: resistance between anodes to hull / Normal: 10kΩ over.
Floating condition: DC potential between anodes to hull.
Normal: Cu Anode 300~1,000mV / Al Anode 10~300mV
(Reading potential dependence of pipe or sea chest material)

WARNING

INSULATION TESTER AND HIGH VOLTAGE TESTER ARE NOT PERMIT TO USE.
IT WILL CAUSE DAMAGE TO CONTROLLER.

10
4.2 Fault Finding

FAULT PROBABLE CAUSE REMEDIAL ACTION

Exchange module with another that is

known to be working. If fault remains on
1. Faulty module original module, return to manufacturer for
replacement. If fault appears on exchange
module, refer to item 2.
Check continuity of anode and negative
Display current drop to Zero
2. Break in electrical circuit return (earth) cable from power unit to J/B
with anode and J/B to Anode and earth point. Repair as
Or necessary.
Not enough water level cause open-circuit
Current fault LED On.
3. Not enough water levels. anode. Recommended to open air-vent
weekly.

When Anode consumed over or length of

4. Anodes life finished
Anode become very short as not reached to
Or
sea water level then will cause open-circuit.
Anode become very short
Required install new Anode.

Incorrect spare Anode connected on

1. Incorrect anode installed controller, it could not inject correct ion.
Display are correct, Required install correct spare.
But Anodes was not melt Open a cofferdam, and check a water
2. Water tighten broken leakage. If there have leak, require renewal
sealing or renewal Anode.
Check internal fuses and replace as
LED displays fail 1. Blown power supply fuse
necessary.
Or
Power fails. 2. Power supply failure. Check power supply

Check settings & Measure Actual output on

1. Incorrect current settings. Anodes cables (by clamp Tester) and adjust
Bio-fouling growing in water as necessary.
cooling system When installed on strainer but not installed
2. Circulation fault. by-pass line to sea chest, then sea chest to
strainer was not protected.
Check settings & Measure Actual output on
1. Incorrect current settings. Anodes cables (by clamp Tester) and adjust
as necessary.
Electrode consumed quickly.
Incorrect spare Anode connected on
2. Incorrect anode installed controller, it could not inject correct ion.
Required install correct spare.

11
5.0 OPERATION & DISPLAYS

Each plug in module controls two individual output channels usually configured to supply one
anode paired with one corrosion reduction anode, although other arrangements are possible
depending upon operational requirements.

Units are supplied with either a 3Amp or 5Amp or 8Amp output capacity per channel and in
normal operation each channel will display the current setting for each individual anode. The
majority of MGPS systems are designed to give 100% protection for an assumed 100% time in
use. Therefore unless otherwise stated the anode current setting should remain unchanged
once commissioning of the system has been completed.

In case the valve of the sea water suction strainer/sea chest inlet was closed, the output
current require decreased to 20~50% of setting current.
The method of decrease current
- Adjust by turning knob anti-clockwise.
- Current value indicated on display.

In case the valve of the sea water suction strainer/sea chest inlet was opened, the output
current is increased to setting current.
The method of increase current
- Adjust by turning knob clockwise.
- Current value indicated on display.

6.0 MAINTENANCE

▷ Operation
- Require power off in case anodes are in Fresh water, diver operation.(installed on sea chest)
- Require reduce set current to minimum according to drawing & manual, which anodes in not
in used or closed sea chest.

▷ Long Term
- Required install control panel in Engine room witch place to less hazards, and opened area
as near to Anode & J/B
- Require install on sea chest or inner spare where free from impact and moisture.
- Require check cable & anodes condition, when set current have any change.

▷ Maintenance regulation
- Daily: Record set current of display on log sheet.
- Weekly: Open the Air-Vent for prevents Air-Pocket in sea chest or strainer inside.
- Monthly: Fill out the log sheet and return to SEHONG for analysis and feedback.

12
7.0 ELECTRICAL SAFETY WARNING
Do not contact any terminal block of input Power or Anodes output with switched on.
There have 220~440VAC and DC output current, it may flow to human, and device can be burn.

8.0 GENERAL INFORMATION

General Questions regarding operation of the MGPS system

1.0 During diving operations does the system need to be switched off?

As the anodes are located inside the sea chests and are operating at very low current
outputs, it is not necessary to power off the system during diving operations. If however,
work is being carried out inside the sea chest, the operators own safety procedures should
be followed and it may be advisable to power off the system for the duration.

In additionally, anodes are located on strainer or treatment tank; it may advisable to power
off during tank cleaning.

2.0 What is the effect if the anode is not replaced before the recommended duration of its design
life?

During its serviceable life, the anode is consumed. If the anode is not replaced at the end of
its design life, current will begin to dissolve the mounting. At this point, is likely that a short
circuit will occur and any hull structure (sea water line), it consider as part of the anode
circuit it will begin to be consumed.

Also when anodes are leaked or short circuit with hull structures, hull structure will consider
as part of the anode circuit, it will begin to be consumed.

3.0 For a new construction, what is the effect of immersing the anodes in sea water for a period
before turning on the power?

Submerged anodes will have no protective effect on the system if they are not activated.
The steel cofferdam mountings will corrode freely if no other means of protection is available.
In rare and exceptional circumstances, some marine growth may be seen taking place on
the anodes themselves as there will be no toxic free cupric ions in solution until the current is
activated.

And freely living marine grows required cleaning manually by hand tools or chemically.

13
4.0 During the construction process, if the system is turned on will be detrimental with all electric
welding taking place?

There have been isolated reports of electrical welding interfering with this type of MGPS
system when the welding equipment has been connected close to the negative return for the
power unit and this has resulted in damage to the circuits inside the unit. Generally speaking,
during short term welding work, as long as the welding is not near to the MGPS equipment, it
is not considered necessary to shut down the system. If extensive welding is taking place
over a longer period, shutting down the system should be at the discretion of the operator.

5.0 If the negative terminal is not grounded properly, what will be the effect on the system?

There must be a negative return to the power unit, either through hull connections for direct
cable connection to the ship’s hull as near to anodes location. If the negative return is not
secured, there will be no electrical circuit hence no current flow and the system will simply
not function.

6.0 What is the effect of switching off the system for a short and prolonged period?

Obviously this will depend on what the operator determines as being a short or prolonged
period. Short term (less one day), there should be no readily observable detrimental effects
on the system. Over longer period (over one days), bio-fouling will begin to take place
resulting in reduced sea water flow and uninhibited corrosion will occur in the internal pipe
work. Therefore recommended keep power on MGPS system whenever operating in sea
water condition.

7.0 MGPS system can protect corrosion in sea water line?

It depended on pipe condition. Obviously MGPS system’s main proposal is marine grows not
attaching and not growing. And Al or Fe anodes provide ion coat for marine grows not
attaching to sea water pipe. So we can say it’s helpful but may not perfect.
And output Amp was calculated for Anti fouling but not for Anti corrosion.

In addition, dissimilar metal connection will cause galvanic corrosion to low potential metal.
It’s one of significant reason of sea water line corrosion.

14
 SEHONG Co., Ltd [WILSON WALTON KOREA]
876‐4, MAEGOK‐DONG, YANGSAN‐SI GYEONGNAM‐DO, KOREA
(82)55‐375‐1117, FAX: (82)55‐375‐1116
E‐mail: sehong@sehong.com

ANFOMATIC SYSTEM LOG ( MGPS)

Name of Vessel : Ship owner:
Hull No : Anode lifetime (Years)
Shipyard : Next replacement of anodes mm/yy

No.1 Unit No.2 Unit

Month Week Output(Amp) Operating Mode (  ) Output(Amp) Operating Mode (  ) Remarks
Cu Al/Fe Run Idle Cu Al/Fe Run Idle
W1
W2
Jan
W3
W4
W1
W2
Feb
W3
W4
W1
W2
Mar
W3
W4
W1
W2
Apr
W3
W4
W1
W2
May
W3
W4
W1
W2
Jun
W3
W4
W1
W2
Jul
W3
W4
W1
W2
Aug
W3
W4
W1
W2
Sep
W3
W4
W1
W2
Oct
W3
W4
W1
W2
Nov
W3
W4
W1
W2
Dec
W3
W4

Remark

Date Checked by
Chief Engineer of
 Article 95 List
Prepared as of 4 October 2016

Explanatory Note

According to Article 95(1) of the Biocidal Products Regulation, ECHA is to publish a list of relevant substances and the respective substance and product suppliers. The relevant substances are the active substances, and all substances
generating an active substance, for which a dossier complying with Annex II to Biocidal Products Regulation or with Annex IIA or IVA to Directive 98/8/EC and, where relevant, Annex IIIA to that Directive (“the complete substance
dossier”) has been submitted and accepted or validated by a Member State in a procedure provided for by this Regulation or that Directive.
The suppliers (substance or product) are the persons who made the above-mentioned submission to a Member State or alternatively who make a submission to ECHA consisting of a complete substance dossier, a letter of access to a
complete substance dossier or a reference to a complete substance dossier for which all data protection periods have expired.
A substance supplier is an entity who manufactures or imports a relevant substance on its own or in biocidal products. A product supplier is an entity who manufactures or makes available on the market a biocidal product consisting,
containing or generating that relevant substance.
The purpose of this list is to “ensure the equal treatment of persons placing active substances on the market” (recital 8 of the Biocidal Products Regulation).
The list is structured per active substance and includes all product types (PTs), for which a submission has been made for the particular substance. In addition to this, the list includes the names of the entities (and the country from
their address), their role as substance supplier and/or product supplier and the date of inclusion of the entity in the list. The names of non-EU companies, who are either participants in the Review Programme or applicants under Article
95(1), are published together with their appointed EU-representatives (For Non-EU entities which have not yet appointed an EU representative there will be an indication).
The Article 95 list includes participants in the Review Programme (indicated in the list as RP Participant), supporters of new active substances, who have submitted a dossier under Article 11 of Directive 98/8/EC or under Article 7 of the
BPR (indicated in the list as New Active), submitters of product authorisation applications where the application includes an alternative active substance dossier (indicated in the list as Third Party Dossier), as well as suppliers who
submitted an application in accordance with Article 95(1) of the BPR and which has been found compliant by ECHA (indicated in the list as Art.95 submission).
Participants in the Review Programme and supporters of new active substances are indicated in the role of substance suppliers and/or product suppliers, as appropriate. Article 95(1) applicants are listed as substance suppliers and/or
product suppliers (depending on the information in their submission), and submitters of a ‘third party dossier’ are listed as product suppliers.
As specified in Article 95(2), as of 1 September 2015, a biocidal product consisting of, containing or generating a relevant substance, included in the Article 95 list, shall not be made available on the market unless either the substance
supplier or the product supplier is included in this list for the product-type(s) to which the product belongs.
The information on the list is accurate to the extent of ECHA’s knowledge as of the date of preparation of the list. If you would like to comment or send requests for modification of the list please submit the
request for corrections of entries on the Article 95 list available at the ECHA website.

Disclaimer
Authentic version: Only the Article 95 list published on this website in PDF format is deemed authentic. The XLS version is made available as a courtesy in order to facilitate companies access to data and ECHA accepts no liability for
the accuracy of that version of the Article 95 list as well as with regard to the use that may be made of the information contained in it. Usage of the information in the XLS version remains under the sole responsibility of the user.

Inclusion Inclusion
Active Substance Name EC number CAS number PT Entity Name Country Supplier Type
Reason Date
Copper 231-159-6 7440-50-8 2 ACN Chemicals UK Ltd United Kingdom Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 2 Aligator Systems Ltd United Kingdom Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 2 ATECA Cu/Ag Electrodes BV Netherlands Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 2 Holland Environment Group Netherlands Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 2 Necon Technologies Ltd Ireland Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 2 Pro Economy Ltd United Kingdom Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 2 Tarn-Pure Ltd United Kingdom Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 2 Terra Marra International (Acting for Liquitech Netherlands Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 2 WDP Group Ltd. United Kingdom Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 5 ACN Chemicals UK Ltd United Kingdom Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 5 Aqua Assistance B.V. Netherlands Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 5 ATECA Cu/Ag Electrodes BV Netherlands Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 5 Holland Environment Group Netherlands Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 5 Necon Technologies Ltd Ireland Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 5 Pro Economy Ltd United Kingdom Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 5 Tarn-Pure Ltd United Kingdom Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 5 Terra Marra International (Acting for Liquitech Netherlands Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 5 WDP Group Ltd. United Kingdom Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 11 ATECA Cu/Ag Electrodes BV Netherlands Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 11 Cameron Flow Control Technology United Kingdom Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 11 Cathelco Ltd. United Kingdom Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 11 Cathwell AS Norway Product Supplier Art.95 submission 07-Dec-15
Copper 231-159-6 7440-50-8 11 Cathodic Protection Co. Ltd United Kingdom Substance & Product Supplier New Active 30-Jan-15
Copper 231-159-6 7440-50-8 11 Holland Environment Group Netherlands Substance & Product Supplier New Active 30-Jan-15
KIST Europe Forschungsgesellschaft mbH
Copper 231-159-6 7440-50-8 11 Germany Product Supplier Art.95 submission 22-Aug-16
(Acting for Sehong Co., Ltd. (KP))
KIST Europe Forschungsgesellschaft mbH
Copper 231-159-6 7440-50-8 11 Germany Product Supplier Art.95 submission 21-Mar-16
(Acting for K.C. LTD. (KP))
 FINAL DRAWING
CUSTOMER STX OFFSHORE & SHIPBUILDING CO., LTD

HULL NO. S1680 / 1681 / 1682 / 1683 / 1691 / 1692

49,700DWT CLASS CRUDE/PRODUCT
SHIP TYPE
OIL/CHEMICAL TANKER
DWG NO. V6518000

ANTI-FOULING SYSTEM
<Marine Growth Preventing System>

3 May.10,2019- May.10,2019-
FOR FINAL
H.K.LEE D.W.LIM
Feb.08,2018- Feb.08,2018-
2 FOR WORKING
H.K.LEE D.W.LIM
Nov.06,2017- Nov.06,2017-
1 FOR APPROVAL
H.K.LEE D.W.LIM
N
DRAWN BY APPROVED BY REMARK
O

SEHONG CO.,LTD
[WILSON WALTON KOREA]
876-4, MAEGOK-DONG, YANGSAN-SI GYEONGNAM-DO, KOREA
TEL: (82)55-375-1117, FAX: (82)55-375-1116
E-mail: sehong@sehong.co.kr

-1-
Design Criteria

Number of sea chest : 2(two) - high/low sea chest

M.G.P.S
Total Sea flow rate: max 2,300m3/h
Anode life time: 5 years (2.5 years for working + 2.5 years for spare)

Calculation
-06
CU : 2,300 ㎥/h x 2.5 years x 2 ppb x 24hours x 365 days x 1.00E = 100.7kg
-06
AL : 2,300 ㎥/h x 2.5 years x 0.5 ppb x 24hours x 365 days x 1.00E = 25.2 kg

Scope of supply

M.G.P.S

Item 1. : One(1) Electronic automatic controller power unit combined with ICCP PCU
The unit supplies a constant current and is distributed to 4 anode
output which can be lndividually adjusted to suit operating condition.
Power supply : AC440V , 3Ph , 60Hz. Paint color :MUNSELL7.5BG7/2
- Output setting value of each anode
Cu : 2.6Amp , Al : 1.1 Amp

Item 2. : Two(2) Alloyed Copper anodes with JIS5K-150A cofferdam flange for working.
(130mm dia x 850mm length , -10m PORT&15m STBD- cable tail) – 101.0Kg /EA

Item 3. : Two(2) Alloyed Aluminum anodes with JIS5K-150A cofferdam flange for working.
(130mm dia x 690mm length , -10m PORT&15m STBD- cable tail) – 25.3 Kg /EA

Item 4. : Two(2) Alloyed Copper anodes with JIS5K-150A cofferdam flange for spare.
(130mm dia x 850mm length , -10m PORT&15m STBD- cable tail) – 101.0Kg /EA

Item 5. : Two(2) Alloyed Aluminum anodes with JIS5K-150A cofferdam flange for spare.
(130mm dia x 690mm length , -10m PORT&15m STBD- cable tail) – 25.3 Kg /EA

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Item 6. : Two (2) Junction Box

Item 7. : One(1) set of Spare fuse.

Item 8. : One(1) Instruction manuals

Guarantee
The equipment will be guaranteed against defective component design, workmanship and materials
for a period of (13) months from ship’s delivery to ship owner
This guarantee is based on the system being installed according to Sehong installation procedures.
Any parts replaced within the guarantee period will be replaced to FOB Pusan port free of charge.

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S1680 / 1681 / 1682 / 1683 / 1691 / 1692
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S1680 / 1681 / 1682 / 1683 / 1691 / 1692
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S1680 / 1681 / 1682 / 1683 / 1691 / 1692
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S1680 / 1681 / 1682 / 1683 / 1691 / 1692
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S1680 / 1681 / 1682 / 1683 / 1691 / 1692
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S1680 / 1681 / 1682 / 1683 / 1691 / 1692