T H E C U S T O M E R M A G A Z I N E F R O M B Ö R G E R G M B H

On expansion course:Börger in Asia

Variety, variety, variety:Rotors vary in size, shape and material

Usually more cost effective in the long-run:The Rotary Lobe Pumps

20062

Everyone, be it companies, politicians or employees, believes that the economy is set

to boom however often they forget that economic growth does not happen on its own

but is a result of targeted efforts and a willingness by companies to take risks. It is

important, in particular when investing in new jobs and innovative developments,

not to forget these risks especially if the company wants to produce healthy figures.

Our figures are good. Over the past two years we have been able to raise our turnover

levels by more than 50 %, double our floor space and increase the number of employees

by one third. However without a certain amount of willingness to make some brave

investments, we would probably not have had this success. But we did have the courage.

The investments made between the year 2000 and 2006 were twice the total investment

sum of the starting years between 1975 and 1999.

The secret of this success story is that of another, namely the Rotary Lobe Pump.

Almost unheard of at the beginning, more and more users have come to appreciate its

benefits.

However, despite our success we have not lost sight of what is important and we will

continue to be that which we have always been for you: a partner that focuses on

developing the best technical solution.

On this note we would like to wish you and ourselves that our productive relationship

continues in 2007!

Anne Börger-Olthoff, Managing Director and Marketing Manager

E D I T O R I A L

2 I 3

Experts have worked out that the purchase price only makes up five percent of the costs that a pump generatesthroughout its life cycle.This value may just be a mean valuehowever it clearly shows that the follow-on costs, such asenergy consumption and maintenance, should be taken intoconsideration when deciding to buy a pump.As an example,we have compared two different pump systems. Both pumpsare used for waste water sludge and have an output of aconstant 30 m3/h against 3 bar.The system comparison isbased on the technical data of the Rotary Lobe Pump fromBörger and an progressive cavity pump from a leading manufacturer.

Life-cycle costs as a The Rotary Lobe Pump

Analysis of the figures

Based on a service life of 10 years, the life cycle costs for the Rotary Lobe Pump from Börger total 34,440.00 € compared tocosts of 48,734.00 € for the progressive cavity pump.

This ratio, which clearly puts the Rotary Lobe Pump ahead,improves further if the maintenance work is also taken into account which, thanks to Börger’s Maintenance-in-Place concept, is very low. In the nine years of service life after commissioning, annual maintenance for the Rotary Lobe Pumptotals an average of 5 hours à 60 €.This is an extra 2,700.00 €.The progressive cavity pump needs much more maintenance –an average of 30 hours every year. Over a period of ten years thisequates to 270 hours maintenance à 60 € totalling 16,200.00€. Not to mention the loss of efficiency that the operator sufferscaused by the frequent need for spare parts. However we haveno reliable data to analyse this.

Based on these figures, the bottom line is that Börger’s lobepump with total life cycle costs of 37.140,00 € for ten years isup to 74 % more cost effective than the progressive cavity pumpwith an average 64,934.00 € total life cycle costs.These figuresdo not take into consideration the costs for space for the pumps;the progressive cavity pump requires three times as much spaceas the Rotary Lobe Pump.

System comparison and supplier comparison

While the system comparison between the Rotary Lobe Pumpfrom Börger and progressive cavity pumps clearly puts the Rotary Lobe Pump ahead, it is to be expected that the result of a comparison of the suppliers of different Rotary Lobe Pumpswould be less clear due to the similar energy consumption values. Is it just the Maintenance-in-Place concept practiced byBörger for the Rotary Lobe Pumps and the high-quality of the rotary lobes that ensure the significantly lower maintenancecosts? We will be happy to compare ourselves to other competitors!

Summary of the costs after 10 years

Pump type 1Rotary Lobe Pump

BÖRGER PL 200, 335 RPM,

3.6 KW required

Pump type 2Progressive cavity pump

From a leading manufacturer

Purchasing costs

Energy costs(10 years permanent operation)

Costs for spare parts

Helical geared motor 5.5 KW,flanged,base plate

1.899,00 €

4.94 KW x 0.08 €/kW/h x 24 h/day x 365 days x 10 years

34.620,00 €

Wear parts per year (8,500 h) 1,221.50 €x 10 years

12.215,00 €

PL 200 with flanges DN 100,Helical geared motor 4,0 KW,Base frame,Coupling and assembly

3.564,00 €

3.6 KW x 0.08 € /kW/h x 24 h/day x 365 days x 10 years

25.229,00 €

Wear parts per year (8,500 h)564.70 € x 10 years

5.647,00 €

decision criterion:a comparison of the systems

37.140,00 €Rotary Lobe PumpBÖRGER PL 200

64.934,00 €Progressive Cavity

Pump

A reason to smile

4 I 5

Mr. Strätling, you have lived and worked in Singapore now forthe past nine years.What do you find so fascinating about thissmall city state in south east Asia?

What makes Singapore so fascinating is the mix of various nationsand religions. Singapore is not what you could call typical Asian. It isa hotpot of different Asian and western people and therefore a mix ofdifferent religions such as Buddhism, Islam, Hinduisms,Taoism orChristianity. Each of these groups have their own traditions and rituals which are openly celebrated.All these groups are largeenough so that none of them represent a minority.

In Singapore there are a few virtues that we also have in Germany.These include cleanliness, tidiness, punctuality and reliability.Thismakes life in Singapore more simple. I don’t mean that the “typical”chaos inherent to some other Asian countries is not interesting, but itis always nice to get into an aeroplane and fly “home” again .

Also, one thing which I keep noticing is how green Singapore is.Thereare few other cities that have as many trees and parks. Because manyroads are designed as avenues, it is like driving through a green tunnel in some areas. One important aspect here is the tropical climate and the daily temperatures of between 24 and 32 degreesCelsius. Singapore is only about 120 kilometres from the equator.Without the air conditioning systems that are installed wherever you

go, the high level of humidity,While being good for the plants, wouldbe very difficult for some Europeans to cope with.

What did you have to get used to when you first came here?

A new beginning anywhere is difficult and that was the case here aswell. I had to start from scratch both with the company and also asfar as my private life was concerned. My family, friends and work col-leagues all stayed in Germany.Also, the start here coincided with theeconomic crisis in Asia.That was something we could not foresee andhadn’t catered for. Looking back it wasn’t actually a disadvantage.We were able to work the market more slowly and in depth. If wehad started up in Asia two or three years earlier during the boom, wewould probably have had more problems.

I learned a lot at the beginning in a preparatory training coursewhich focussed on intercultural management. One positive side ef-fect of this was that half the course participants had moved to Singa-pore at the same time as myself and I was able to get to know a lot ofpeople who were facing similar problems to me. I am still in contactwith some of them today, although all of them returned to Germanya long time ago.

Rotary Lobe Pumps from Börger in Asia

It goes without saying that Asia is a growth market second to none. It is therefore hardly surprising that Börger has started business dealings in the Far East.Subsidiaries in Singapore, Hong Kong, Shanghai and Peking are just the start.The fact that the name Börger is also highly recognised in Asia is down to thegood quality of the pumps and an uncompromising service principle.This success is very closely linked to the name Dominik Strätling who joined the Börger sales team as an engineer in 1991. Strätling, who many of the GermanBörger customer still remember, went on many trips abroad when he started developing in inner sales structure at the company.

In 1997 the company started toying with the idea of opening a subsidiary in Asiato assist the efforts that were being undertaken in the region. Dominik Strätlinghad gained a taste for travelling and was also very enthusiastic about the ideaof setting up a new office abroad.As a result he applied for the position of managing the newly formed Asian subsidiary. In the same year whilst searching

for a location with Alois Börger, he undertook his first visit to Singapore.An office was found in the German Center. Since then, Boerger Pumps Asia Pte. Ltdhas maintained a 200 m2 office there with a team of 5 office employees and afurther 5 outdoor sales engineers. Shortly after Börger set up office in Singaporethe Asia crisis emerged which resulted in an investment stop. But where there is shadow there is also light and lots of interested parties had the time and willingness to take a good look at this newcomer.

Today we can say it was worth it.The demand for top quality Rotary Lobe Pumps“Made in Germany” is growing consistently. It is therefore no wonder that certain companies started to try and copy the Börger Rotary Lobe Pumps.Anyone familiar with the situation in China knows that the Chinese do not see this as an offence but as a great honour. However too much honour is not something that an innovative European company can take.

Börger Report asked Dominik Strätling about his personal impressions.

The population in Singapore mainly comprises Chinese,Malays and Indian.Are there traditions and customs in business dealings that are very different to those we know in Germany?

There definitely are differences, however these are less relevant inSingapore than in other countries such as China, Malaysia, India oreven Thailand, Japan and Korea.The businessmen and women in Singapore are more used to dealing with the western business culture.

Generally you try and develop a more personal relationship.You try to find common interests, to get to know each other and you do not just talk about the product.The saying is that business dealings are generally concluded in Asia while playing golf or overdinner. Smalltalk does play a role, but topics such as religion or politics are usually taboo.

It is also important that problems are often “evaded“.This meansthat no one is in danger of losing face. I always find it is helpful toknow specific national welcoming phrases and customs and to makeuse of these.The business partners are usually pleasantly surprised.

What do you notice the most when you return to Germanyafter a longer period of absence?

Unfortunately the unfriendliness, stubbornness and hectic manner oflots of people. I always notice that immediately when I land at theFrankfurt Airport.The climate in Singapore is completely different.The people there are much more service-oriented.Also, I am alwaysamazed at the much higher prices in Germany.

Another interesting point is the language. It might sound a bit stran-ge, but when you spend a long time abroad or even live overseas youalways pick up your ears when you hear bits of your own languageamongst the local language or English.You don’t actually want to ea-vesdrop, you are just interested to know if the person is German ornot. Back in Germany I hear German all around and it always takes afew hours until your brain gets used to it.

From left to right:William Liu,Alois Börger ,Anne Börger-Olthoff, Dominik Strätling in Peking – in addition to Shanghai and Hong-Kong, one of the three Börger agencies in China.

AL PL CL6 I 7

Some pump media are viscous and slow-moving, others contain solid matter or are particularly

chemically aggressive. Can one single rotor type cope with all requirements? Obviously the

answer is no.The variety of the pump media with the diverse properties means that an

appropriately large range of rotary lobe models are required.This is the only way to ensure

optimum pumping output with high efficiencies.

Anyone who has applications where a pump output of 200 m3/h is too low, but an output of400 m3/h seems too high, will be interested in the latest addition to the Börger series.While the FLA series was available for this pump output, this pump type had bearings on bothsides.The EL series ensures that now the total size range from 1 m3 to 1.000 m3 is available ina pump with bearings on one side.

New series:EL closes the gap

Why Börger has so many different typ

FL EL XL

The purpose defines the form and materialSimple inexpensive maintenance – this was the idea behind the first rotarylobe type comprising the patented principle of the removable, easily-exchan-geable rotor tip.This rotor tip is particularly well suited where the pumpmedia is combined with high mechanical loads.The wear parts are exchangedquickly and economically by the operating staff on site.Two and three-win-ged, linear and screw rotor types developed for individual applications and innumerous pump sizes and materials were the consistent successors of the initial innovations. In addition to steel and stainless steel, elastomer coatings,which are finely adapted to the pump media, are used on the rotary lobes.NBR (e.g. Perbunan®), EPDM or FPM (e.g.Viton®) are included in the standardrange of materials. Other qualities such as HNBR (e.g.Therban®) or CSM (e.g.Hypalon®) are available for special applications. Börger also develops custo-mised models for special applications such as e.g. a salt-water resistant bronze rotor for drainage and wellpoint projects in regions close to the sea.

A good idea! The development of this wide range of rotors over the years has resulted in awhole series of patents. In addition to the different rotors with detachabletips, we have also come up with adjustable rotor variations, the rotary lobewith a metal core that is not touched by the pumped fluid and the Optimumrotor.The Optimum rotor, which has a very wide surface seal, has proved thatit can produce a constant pump output with long service life.

Wanted: Challenges !The immense range of rotors that Börger has to offer are not just designed on the drawing board, it is the result of intensive discussions and exchangingexperiences with all those customers whose requirement profiles could notbe satisfied with the standard products. Regardless of whether it is the shapeor material composition, the secret to the best rotor is careful trial and error.This is how the screw rotor, which is distinguished by its pulsation-free cha-racter, evolved.This method has proved its worth, especially from an efficiencypoint of view.Although the terms individual and standard appear mutually exclusive, lots ofthe rotors in the Börger program have set their own standards as exemplarysought-after products, such as e.g. the completely rubberised, screw Optimumrotor or the three-winged screw rotor variant with an attached rubberisedtop. Full-metal or PTFE-coated (e.g.Teflon®) variants complete the range sothat today, Börger can offer solutions for almost all applications.There is noother Rotary Lobe Pump manufacturer in the world today that has a rotorrange that comes anywhere close to matching Börger’s. However, challengesare and remain the best incentive to keep on developing new rotor variantsand types.

pes of rotors

8 I 9

No problem in the sewage works:

Multicrushers and Multichopperswith clear benefits depending onthe application

A typical case for the MultichopperThe end justifies the means – at least this is sometimes the case in the sewage works. In this specificcase, the static thickened sludge (up to 4 % TS) needs to be pumped to the centrifuge.Two RotaryLobe Pumps from Börger of the type PL 200 work alternately to transport the medium.

Due to the fact that the sludge contains a significant percentage of solid matter and fibres, a Multichopper Inline of the type 300-I is installed in front of the pump to ensure that the pump medium is converted into a homogenised medium with a low solid matter content before it is transported.The Multichopper has an integrated reverse control system to prevent blockages.This minimises the risk that the Multichopper becomes blocked. Other advantages are the compact size,the low energy consumption values and the low-pulsation working principle that is achieved bymeans of the screw rotor. In operational situations, the value of the Maintenance-in-Place principlequickly becomes apparent:The fast-closing lid of the Multichopper is located directly on the solidmatter recess to allow direct access.A retightening unit allows the cutting unit to be readjustedquickly. For the Rotary Lobe Pumps, the Maintenance-in-Place means fast maintenance and, if necessary, direct replacement of the rotor on site.

When to use the Multichopper, and when the Multicrusher? The Multichopper will always be the best option wherever the pump medium has a low to mediumamount of solid matter.The Multicrusher is clearly the better alternative if the pump medium has ahigher or even very high amount of solid matter.The brutal collection method applied by the Multicrusher gets direct hold of the foreign matter in the pump medium while in the case of the Multichopper, this foreign matter is brought right to the perforated disk. If a decision is made in favour of the perforated disk model such as Multichopper, the inline design is usually superior to mostof the other pot models available on the market due to the fact that it is easy to handle.

System solution from Börger The screw transports the very rough pump media to the Multicrusherwhose brutal collection method makes short work of the large solid matter. So that the feeder screw does not get congested with the largepump media, the inside of the casing is fitted with ridges that preventthe medium sticking and causing blockages.

From the Börger technology lexicon

In

From left to rightMichael Niehaves (Manager of the Final Assembly department)Andreas Gesing (Manager of the Pump Construction department )Alexander Gathmann (Manager Machining Department)Gerhard Osterholt (Manager of the Metal Construction / System Construction department)

Top team Workshop Manager at Börger

As operative managers, the workshop managers

are responsible for work scheduling and

purchasing of the materials and tools within the

production department.They decide about how

the personnel is deployed and are responsible for

occupational health & safety issues.Their work is

highly important for ensuring that the orders are

completed smoothly, on time and in our

traditional high quality.

Börger GmbH Benningsweg 24 D-46325 Borken-Weseke www.boerger.de

Concept, text, design:Rippelmarken WA www.rippelmarken.com

Imprint

10 I 11

What do frying pans and ourRotary Lobe Pumps have incommon?:Teflon®

In addition to steel and stainless steel, we use synthetic sub-stances, i.e. plastics, to produce the rotors. But not all plasticsare the same of course.Here some of the most important materials from our chemicallaboratory that are also used to produce our rotors dependingon their specific purpose:

CSM: chlorosulphonated polyethene

is resistant to chemicals and is highly durable.Application ranges ofup to 120 °C are common.Also known under its trade name Hypalon.

EPDM or EPM: Ethylene-propylene

rubber and elastomer are very resistant to aging, weathering andozone. In cases of medium wear, EPDM is very resistant to acids andbases.The maximum application temperature is 120 °C.Trade names:Nordel, Dutral, Buna EP.

FFPM or FFKM: Perfluorinated rubber

is highly resistant to media and ideally suited for applications insafety systems at maximum temperatures of 230 °C.Trade names:Kalrez, Simriz, Chemraz.

FPM: Fluoroelastomer.

is distinguished by its excellent resistance to oil, aromas and chemicals and in cases of medium wear can be used up to 150 °C.Trade names:Viton, Fluorel,Tecnoflon.

NBR: Nitrile Butadiene Rubber

is distinguished by the diverse application possibilities in the temperature range up to 100 °C. Known trade names are Perbunan,Nitil and Buna N. Its durability is considered good, its resistance toacids and bases medium-good.

brief

www.boerger-pumps.com

DPL: New pump type proves its worth

First feedback received from practical applications:The servicelife of our new development, the DPL-pump with a double-effect and pressurised shaft seal, has proved unbeatable whenhandling the finest of media such as basic materials used toproduce glucose.The problems that occurred with the standarddesign Rotary Lobe Pumps when transporting the finely crystalli-sed sugar solutions appear to have been completely resolved.We are interested to see what the future holds in store and willkeep you up-to-date.!

MegaCAD 3-D program service:Integration made easy

Are you looking to integrate a three-dimensional, accuratedrawing of your system down to the details of the pump instal-lation you are planning into the complete drawing of your system plan? No problem: Börger will supply you with thedrawing that has been created using MegaCAD 3-D in an electronic form for further use in your company.

SBR: Styrene Butadiene rubber

is highly durable and age resistant, can be used up to 100 °C.Trade names: Buna SL, Solprene, Dunatex.

PTFE: Polytetrafluoroethylene

durable and age resistant, resistant and adhesion resistantto all media. Most well-known trade name is Teflon.Can be used to 260 °C.

Choose your colour: New painting facility

The new painting booth comprises a paint mist suction wall,an extraction channel and an VFD-controlled air intake deviceso that the room is only filled with as much air as the suctionsystem can extract. In total, the ventilation system can move19,500 m3/h of air.This ensures that, during the painting process and also during the extraction of the solvent duringdrying, the air is circulated to an optimum in the room.Thepainting device, which is also new, sprays the paint onto the casing of the pump with a finely adjusted air pressure.Thenozzle is set exactly to the quality of the paint so that the overspray (this is the part of the spray mist that is sprayedaround the object) can be minimised.A PUR-based two-component paint has been selected as a new paint.This paintpassed the scratch and impact resistance, acid resistance andlight-fastness tests with flying colours. Due to its very good properties, no primer is needed.The first coat of paint appliedalready has a thickness of 80 μ.

A word at the end of the yearSolid growth is based on good partnerships.A good and personalrelationship to you, our contractors and customers, suppliers andpartners is therefore very important to us.A good relationship is not necessarily a smooth relationship.A relationship without friction is seldom productive as often thebest ideas are found when the parties enter into a dialogue anddiscuss the problem.With this in mind we are determined to continue doing everything in our power so that the best solutionis always found – challenge us to find a better solution! We look forward to maintaining our good working relationshipwith you and would like to take this opportunity to thank you foryour cooperation in the past.

Your Alois Börger

1975 – 1985 Foundation phase in the regional market 1985 – 1990 Pump development and market launch 1990 – 1995 Development of the national network 1995 – 2000 Development of the international sales network2000 – 2005 Worldwide sales with currently 7 subsidiaries 2006 Purchase of further 17.000 m2 commercial space

to allow expansion

M I L E S T O N E

Alois Börger, Founder and Managing Director

B e w e g t w a s .

In the next issue:

■ A new pump generation:The double spindle pump

■ The history of replaceablerotor tips

A brief review of some trade fairs at which Börger participated in autumn 2006

SMM Shipbuilding in Hamburg (ship and marine technology) Aquatech in Amsterdam,The Netherlands (water technology) FIB in Bogota, Columbia (International industrial fair) Proma in Bilbao, Spain (water and environmental conservation) WEFTEC in Dallas, USA (water and waste water) Eurotier und Bio Energy in Hanover (Agrar and animal husbandry) POLLUTEC in Lyon, France (water and environmental conservation) Poleko in Posen, Poland (ecology) IWE in Teheran, Iran (water and waste water) DeLuTa in Münster (Lohnunternehmen) AgroVak in ’s-Hertogenbosch,The Netherlands (Agrar)