Screen Filtration for Ballast WaterTreatment Applications

A world leader in water filtration technology.Filtration of the world’s water: we set the standards.Earth isn’t called the Blue Planet for nothing. Over seven tenths of the

surface of our globe is comprised of oceans, seas, great and small lakes

and the networks of natural and man-made waterways and reservoirs

embroidering the landscape.

Taking care of our water and providing solutions in filtration and

treatment is the principal challenge facing Filtersafe®, one of the

world’s leading filtration specialists. Whether across industrial,

marine or resource drilling applications, our aim is to ensure

the world’s industries have ready access to the most advanced

filtration equipment available.

At the onset of each design application, Filtersafe’s primary objective

is to engineer and fabricate tailored and standard filter systems from a

range of highly sophisticated and proven materials, utilizing major R&D

initiatives to establish the most appropriate specification of materials

to ensure each finished product exceeds all mandated requirements.

At the very core of Filtersafe’s development philosophy, is a consistent

and dedicated focus on mechanical reliability and efficiency, too, all

combined with robust construction technologies. Simultaneously,

our emphasis commercially remains on the careful balancing of

environmental issues, alongside achieving consistent operational

economies for our customers.

Filtersafe® uses expertise developed over three decades in the design,

manufacture and application of high quality filtration solutions. It is

our often unique innovation that has helped the company contribute

enormously to the efficiency of world water management.

The company is uniquely positioned in the marketplace, and currently

services all major international markets from its Head Office and

manufacturing facility located in northern Israel.

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A world leader in water filtration technology.Ballast Treatment: maintaining the ecosystem of the oceans.

FilterSafe®. No-one understands water better.

It may come as little surprise today, but over 80% of global trade volume

is still transported by ship. Whilst ballast water is used in all voyages, at

least half of each and every journey is undertaken with additional water

aboard to compensate for the absence of cargo. The movement and

sheer volume, therefore, of indigenous micro-organisms, sediment,

plant and animal life being drawn, shipped and discharged into alien

environments across the world within the ballast systems of these

vessels, is posing a major challenge to earth’s bionomics.

As a result, the International Maritime Organization has now introduced

the mandatory specification of automatic filters within ballast water

treatment systems on all new-build and retrofitted vessels.

Specialising in the evolution of intelligent mechanical filtration systems

for industry, Filtersafe® now offers over 10 years’ experience specifically

in ballast water treatment, bringing an unrivalled economy, value and

environmental responsibility to seawater filtration. From improving

component technology through to the provision of dedicated pre- and

after- sales service, Filtersafe® provides a viable, functionally superior

and low-cost alternative to many conventional filtration methods.

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CONTENTS

A world leader in water filtration technology.

Filtration of the world’s water:Filtersafe® sets the standards. 1

Ballast Treatment:maintaining the ecosystem of the oceans. 2

Filtersafe® BSF-Series automatic,self-cleaning electric filters. 3-4

The technology behind the range. 5-6

Filtersafe® ballast water filtration technology. 7-8

BSF-Series Installation and configuration. 9-10

Social responsibility. 11

Research and development. 12

The proven science behind the range. 13-14

Automatic, self-cleaning electric filters.Benefits of Filtersafe® technology.

We’re one of the very few companies to have responded to the challenge of developing self-cleaning automatic filtration solutions specifically for this now highly-regulated application.

All Filtersafe® products incorporate leading edge, state-of-the-art components, with advanced technology and proven performance levels providing the base to combat marine bio-invasions in the movement of water.

At the heart of each ballast water treatment system, lies the market-leading BSF-Series Automatic Electric Filter. Installed as the primary filtration module, these filters play a pivotal role in the removal of sediment, micro-organisms and other marine elements.

By specifying Filtersafe’s BSF-Series Automatic Electric Filter into your ballast water treatment system, you’re assured of the most efficient seawater filtering technology available on the market.

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Filtersafe® supplies to a multitude of ballast water treatment companies worldwide, many of which are based in Scandinavia, Europe and USA, and which operate within an estimated $260-400 million annual filtration market.

Automatic, self-cleaning electric filters.

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Consumer Benefits: . Dependable sediment controls to minimize sediment intake to ballast tanks. . Improved operating efficiency for entire ballast water treatment systems. . The lowest operating pressure capability on the market, able to meet parameters of existing ballast water pumps. . Fully automatic, self-cleaning system efficiently handling large volume of dirt-load during ballasting process. . Minimal footprint for an efficient installation solution in retro- fit and new-build applications.

Key Advantages:. An unparalleled removal rate of TSS, organic matter and sediment.. 98% Removal of Zooplankton.. 50% Removal of Phytoplankton.. A continuous, uninterrupted operating flow during cleaning cycles.. A highly-effective cleaning mechanism, reaching 100% of the sintered screen, with minimal water discharge.

Filtersafe® is the market preferred primary screen solution in ballast water treatment.

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Behind each BSF-series unit is a uniquely crafted set of patented technologies, most notably, the 4-layered Sintered Screen and Proximity Nozzle® cleaning mechanism.

The technology behind the range.

InletPrimary Course ScreenWeave-wire ScreenSuction ScannerProximity Nozzles®Air Release ValveOutletFlush Water Discharge OutletFlush ValveSuction PumpWorm Gear and Motor

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BSF-Series filters are fitted with a dual action air-release valve, which incorporates ‘non-slam’ technology to ensure optimal performance.

Air-release Valves.

When low operating pressure situations are anticipated, a suction pump can be installed on the flush water discharge pipe. With the in-clusion of the optional suction pump, Filtersafe’s BSF-Series filter is able to achieve class-leading low-pressure performance of 1.6 Bar.

Suction Pump.

Filtersafe® products employ an advanced PLC controller to monitor system status and ensure efficient, effective and autonomous operation.

PLC Controller.

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Two types of stainless steel are available: • 316L, for standard applications.• 904L Duplex SST, for high-corrosion resistance and prolonged filter use.

Filtersafe’s superior Sintered Screen Weave-Wire technology gives BSF-series filters a distinct advantage over the competition. Our filtration performance is second-to-none and in terms removl of organic matter and TSS.

For instance our 40 micron screen removes 98% of Zooplankton and up to 50% of Phytoplankton from water intake. This performance level is converted into exceptional sediment removal performance.

Sintered Screen. Weave-Wire Technology. Close Proximity Suction Nozzles®.Filtersafe® utilises its Proximity Nozzles® patented technology to efficiently and effectively remove organic matter from the filter screen without having to halt system operation.

This completely autonomous system uses calibrated suction nozzles which cover less than 1% of the total screen area to remove screened matter. This results in extremely high suction forces that ensure complete cleanliness in preparation for the next cycle and establishing it as up to 50% more effective than the traditional ‘candle’ system.

The Proximity Nozzles® enable a regulated and consistent suction force to clean the screen. This resourceful hydraulic system ensures maximum suction force for removing dirt from the screen whilst minimizing residual water and pressure loss from the cleaning process.

Consequently, compared to other technologies in the market, Filtersafe® uses a significantly lower amount of ‘wasted water’ during the filtration’s flushing process.

By utilising unique and exclusive weave-wire sintered screen technology, Filtersafe® obtains unparalleled Zooplankton removal rates. Filtersafe’s fine screen is composed of four sintered, stainless steel screen layers that create a strong, durable, reinforced filtering element, which requires no support.

Protective Layer

Filtration (particle size) Control Layer

Protective Layer

Reinforcement Layer

The technology behind the range.

Available ScreensMicron 400 300 200 150 120 100 80 50 30 20 10

Mesh 40 50 80 100 120 150 200 300 450 500 600

Operating Pressures.Due to the unique design of Sintered Screen and Proximity Nozzle®, the Filtersafe® automatic filter is the only self-cleaning filter on the market capable of sustained smooth operations as low as 1.6 Bar (22psi) head pressure. Even at such extreme pressures, our Proximity Nozzle® still allows 100% cleaning of the screen after each flush cycle, ensuring continuous, uninterrupted filter operation without any risk of ‘blindness’.

Filtration Effectiveness.Filtersafe® technology is designed to combat seawater’s marine bio-invasions, Phyto- Zooplankton and general suspended solids. Filtersafe BSF-series filters are offered down to 25 micron for BWT applications.

Component Durability.Filtersafe® products have been engineered for performance and longevity. Our automatic screen filters employ highly-durable, non-corrosive components inside and out, to ensure robust, trouble-free operation, requiring minimal maintenance. Filtersafe® also equips its filters with minimal plastic materials, thereby abiding by ship-building regulations regarding fire prevention.

Epoxy-phenol Coating.Filtersafe® treats the body of its filtration systems with a complex multi-staged curing process, which during development testing logged over 2500 continous hours in a salt-cell study.

The process includes a zinc-phosphate treatment and an electrostatic, oven-cured epoxy-phenol finish, which results in a durable protective layer especially suited to the various rigours of marine applications and adverse-saline-conditions. The process complies with numerous international performance standards, including ASTMB-117.

All Filtersafe automatic screen filters can be equipped with our unique TurboTM technology. Designed to increase the filter’s capability to operate in high dirt-load situations, this unique facility gives our BSF-series filter a distinct market advantage in adverse, but equally common, sediment-rich environments.

Conversely, our TurboTM technology also allows us to equip our filters with both nominal and absolute screens down to 25 micron for increased removal rates.

Filtersafe® ballast water filtration technology.

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TurboTM Model.

Filtersafe® ballast water filtration technology.

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BSF-Series installation and configuration.Filtersafe® can offer more versatility in spatial arrangements, by supplying units in both horizontal and vertical formats. This ‘modular’ system enables a vertical filter to operate in the exact same manner as a horizontally positioned unit and to the same performance standard, whilst substantially reducing its area footprint.

Moreover, the ‘in-out’ flange connection positions can be fitted in four different directions to suit your space and piping arrangement: 0º, 90º, 180º and 270º.

The flexibility associated with this modular approach ensures an optimized spatial configuration is obtainable in the installation of each ballast water treatment system.

Filtersafe® offers supreme intallation solutions. For example in a retrofit system on an existing vessel, where space is often restricted, Filtersafe® facilitates quick, economical and efficient installation solutions. Competitor filters are at a distinct disadvantage in comparison.

0˚ Standard Position 90˚ Outlet 180˚ Outlet 270˚ Outlet

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BSF-Series Standard* SpecificationsOperating Specifications

Minimum Operating Pressure 29 psi (2 Bar), 21 psi (1.6 Bar) with suction pump

Maximum Operating Pressure 145 psi (10 Bar)

Electric Power 3 phase 380V-440V AC (50Hz)

Temperature Gauge 0˚C - 50˚C

Exhaust Valve Pneumatically actuated butterfly valve

Filter Housing Carbon steel 37-2 with SMO fitting or St. st.

Housing Coating 200 micron Epoxy-phenol, Zinc-phosphate treated

Screen Stainless Steel 316L or 904L Duplex

Seals Synthetic Rubber

Internal Parts St. st, PVC, Teflon, Erlite

Design Specifications

Vertical Configuration

BSF unitinstalled in a fully operational system.

* For specifications exceeding these parameters, please contact filtersafe.

BSF-Series installation and configuration.Horizontal Configuration Vertical Configuration

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Single

Duplex for ease of installation (Retrofit)

Model **Max. In/Out Weight Flow Rate Connections

gpm m3/hr Inch mm lbs kg

BSF-300H 3,285 750 14 350 2,640 1,200

BSF-300H-T 3,723 850 16 400 2,684 1,220

BSF-400H 4,380 1,000 16 400 3,212 1,460

BSF-400H-T 5,256 1,200 16 400 3,256 1,480

Single

BSF-300V 3,285 750 14 350 2,750 1,250

BSF-300V-T 3,723 850 16 400 2,794 1,270

BSF-400V 4,380 1,000 16 400 3,322 1,510

BSF-400V-T 5,256 1,200 16 400 3,366 1,530

The Duplex tables are for illustration purposes only, all types of configurations are available upon request, please contact Filtersafe.

Duplex for ease of installation (Retrofit)

** with 40 um screens and according to the INO G8 guidelines* available in early/mid 2012

Model **Max. In/Out Weight Flow Rate Connections

gpm m3/hr Inch mm lbs kg

BS-025H-03 219 50 3 80 352 160

BS-050H-04 350 80 4 100 385 175

BS-050H-06 548 125 6 150 396 180

BS-070H-06 657 150 6 150 616 280

BS-070H-08 788 180 8 200 638 290

BS-100H-08 964 220 8 200 704 320

BS-100H-10 1,095 250 10 250 748 340

BS-100H-T-10 1,226 280 10 250 748 340

BS-150H-12 1,643 375 12 300 1,188 540

BS-150H-T-12 1,840 420 12 300 1,199 545

BS-200H-14 2,190 500 14 350 1,364 620

BS-200H-T-14 2,540 580 14 350 1,386 630

* BS-300SH-14 3,285 750 14 350 2,618 1,190

* BS-300SH-T-14 3,723 850 14 350 2,640 1,200

BS-400SH-16-T 4,380 1,000 16 400 2,750 1,250

BS-400SH-T-16 5,256 1,200 16 400 2,805 1,275

* BS-600SH-16-T 6,570 1,500 16 400 6,050 2,750

* BS-600SH-T-18 7,446 1,700 18 450 6,380 2,900

* BS-900SH-20 9,855 2,250 20 500 7,700 3,500

* BS-900SH-T-20 10,950 2,500 20 500 8,030 3,650

* BS-1200SH-24 13,140 3,000 24 600 9,130 4,150

* BS-1200SH-T-24 14,454 3,300 24 600 9,350 4,250

BS-025V-03 219 50 3 80 429 195

BS-050V-04 350 80 4 100 462 210

BS-050V-06 548 125 6 150 473 215

BS-070V-06 657 150 6 150 693 315

BS-070V-08 788 180 8 200 715 325

BS-100V-08 964 220 8 200 781 355

BS-100V-10 1,095 250 10 250 825 375

BS-100V-T-10 1,226 280 10 250 825 375

BS-150V-12 1,643 375 12 300 1298 590

BS-150V-T-12 1,840 420 12 300 1309 595

BS-200V-14 2,190 500 14 350 1474 670

BS-200V-T-14 2,540 580 14 350 1496 680

* BS-300SV-14 3,285 750 14 350 2,618 1,190

* BS-300SV-T-14 3,723 850 14 350 2,640 1,200

BS-400SV-16-T 4,380 1,000 16 400 2,750 1,250

BS-400SV-T-16 5,256 1,200 16 400 2,805 1,275

* BS-600SV-16-T 6,570 1,500 16 400 6,050 2,750

* BS-600SV-T-18 7,446 1,700 18 450 6,380 2,900

* BS-900SV-20 9,855 2,250 20 500 7,700 3,500

* BS-900SV-T-20 10,950 2,500 20 500 8,030 3,650

* BS-1200SV-24 13,140 3,000 24 600 9,130 4,150

* BS-1200SV-T-24 14,454 3,300 24 600 9,350 4,250

** with 40 um screens and according to the INO G8 guidelines* available in early/mid 2012

Social responsibility.All Filtersafe® filtration systems are designed to incorporate materials which are selected for minimal environmental impact. Each component is tested to ascertain material weakness in the light of its intense activity in harsh and damaging conditions. Filtersafe® automatic systems are also designed and engineered to compliment the materials specified by clients in their manufacture of complete treatment systems specified for maritime purposes. Research and Development.

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Your Assurance of Quality.Filtersafe® manufactures its cutting-edge BSF-series filter in accordance with the following International Performance and Quality Standards: ISO 9001: 2008, DNV 2009.

Our association with the ISO 9001:2008 mark gives Filtersafe® confidence in knowing we can comply with any standard required by our clients. We can build in accordance with ASMI standards as well as other classification societies’ approvals, and upon request, attain ASMI certification. In association with several of our clients, we have also achieved Approval status from Germanischer Lloyds.

Research and Development.

Worldwide Service Network.Being a globally-focused company, Filtersafe® prides itself on unprecedented levels of service to its customers. Filtersafe® enjoys a worldwide reputation for its commitment to the quality and performance of each filtration unit we sell.

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Sintered Screen technology; effective and economic filtration media. Proximity Nozzle® technology that performs autonomously under even the most severe conditions. Corrosion prevention. Increased energy efficiency. Refined water-saving methodology.

Through scientific development, we have been able to implement the following advances in our product range:

Innovation in Filtration Science.Our R&D programs have also played active roles in maintaining Filtersafe’s pioneer status in the water filtration industry. The confidence and assurance we assume with the procurement of trustworthy technologies and operating performance, have helped shape a strong ethic pursued throughout research, development and advanced testing.

The R&D programs have laid the foundations for our market-leading technology and ensured our status as principal innovators in our field. In conjunction with our recent partners, NIOZ, MERC, GSI and University of Newcastle, UK, among others, Filtersafe® has tested the performance of its automatic screen filters to meet the rigorous demands of all marine industry standards.

Courtesy of NIOZ

Partners and Contractors.We have established and enjoy partnerships with first-class contractors who utilise leading-edge technology in industrial fabrication and heavy machining.

The proven science behind the range.Class leading removal rates of Organic matter.

Filtersafe® in conjuction with its research partners, has successfully proven its industry leading performance in the Ballast Water Treatment filtration sector by conducting a series of scientific tests on its Weave Wire Sintered Screens and Proximity Nozzle® technology. The results clearly indicate positive ecological benefits and lucrative advantages for all companies involved in the business of BWT systems.

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Biological Test Data

Organisms 10 µm ≤ 50 µm.

Three 20L replicates for each “control” and “treated”.

40 µm filter was used.

Water pumped into a storage tank, zooplankton and algae were added.

Phytoplankton Test Methodology

Zooplankton Test MethodologyOrganisms > 50 µm.

Three 100L replicates for each “control” and “treated”.

40 µm filter was used.

Water was pumped from Cullercoats Bay.

Num

ber o

f org

anism

s per

20

liter

Num

ber o

f org

anism

s per

100

liter

Highly effective at removing organisms > 50 µm showing > 98% removal.Has moderate effect in removing organisms 10 < 50 µm showing an average 50% removal.

Conclusions

Phytoplankton Test Results

Zooplankton Test Results

Courtesy of NIOZ

D2 Standard Replica Tests

PHYTPLANKTON ZOOPLANKTONTest Cycle Average Removal Average Removal % of org. 10 ≤50 % of org. >50

1 62.80 99.20

2 47.56 94.29

3 - 97.93

4 31.45 96.19

5 54.94 93.85

The proven science behind the range.Preventing accumulation of Sediments in ballast water tanks.

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Results of this study parallel a series of tests performed at NIOZ and Newcastle University (UK), concluding that Filtersafe® BSF-Series filters are highly effective in removing Total Suspended Solids (TSS) loads by up to 96% with our standard 40 μm filter.

This is an obvious benefit for ship owners with long periods between ballast water tank cleaning and compliments the very high performance of organic matter removal obtained by our BSF-series filters.

BEFORE2.5 ml sediment

residue

AFTER0.1 ml sediment

residue

Very high removal of TSS from ballast waterBSF-Series 40 µm screen proving 96% removal.

Conclusion

Filtersafe® has recently concluded scientific tests in association with BaWaPla and NIOZ in order to determine the the BSF-series filter’s ability to reduce sediment load in BWT systems and ballast water tanks.

Filtersafe® chose the wet volumetric TSS loading method rather than the standard dry and weighing method in order to best simulate true conditions in ballast water tanks.

Test Methodology

Results ml Results ppm

Pre-Filter 2.5 2500

Post Filter < 0.1 100

Removal Rate > 96%

Sediment Test Data

Sediment Test Results

3 Dolev Street, Tefen Industrial Park,

P.O. Box 23, 24959, ISRAEL.

Tel: +972 4 9873620 / 1 Fax: +972 4 9873617

Cell: +972 (0)54 5960374

Email: sales@ballastsafe.com

Visit us at: www.ballastsafe.com

For more information check our websiteand locate the email or telephone numberof your relevant customer representative.

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Filtersafe reserves the right to change any of the information presented in this document without prior notice. The data presented in this document is for general information only and cannot be used for quotation purposes. Please contact Filtersafe for specific quotes.

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