van voorden

Ship’s propellers - Nozzles - Industrial casting - Propeller

repair - Propeller blades - Pump casings - Impellers - Wear

plates - Double walled pipe systems - Ship’s propellers -

Nozzles - Industrial casting - Propeller repair - Propeller

blades - Pump casings - Impellers - Wear plates - Double

wallad pipe systems - Ship’s propellers - Nozzles - Industrial

casting - Propeller repair - Propeller blades - Pump casings

- Impellers - Wear plates - Double walled pipe systems -






walled pipe systems - Ship’s propellers - Nozzles - Industrial





Van Voorden Gieterij BV• Bossekamp 6 • 5301 LZ Zaltbommel • PO Box 67 • NL 5300 AB Zaltbommel • The Netherlands

• T: +31 (0)418 571200 • F: +31 (0)418 515790 • E: [email protected] • www.vanvoorden.nl

Van Voorden Reparatie BV• Veilingweg 6 • 5301 KM Zaltbommel • PO Box 67 • NL 5300 AB Zaltbommel • The Netherlands• T: +31 (0)418 571200 • F: +31 (0)418 515898 • E: [email protected] • www.vanvoorden.nl






wallad pipe systems - Ship’s propellers - Nozzles - Industrial








walled pipe systems - Ship’s propellers - Nozzles - Industrial





32

Maritime - Industrial - Repair

Van Voorden Repair

Van Voorden Repair has been specialised in repair, maintenance and adjusting

of fixed propellers and propeller blades for CPP installations for more than

40 years now.

Worldwide every year Van Voorden repairs approx. 10.000 propellers and this

makes us one of the largest propeller repair companies in the world.

Regular propeller maintenance increases the life span and prevents calamities.

Van Voorden Companies

Van Voorden Gieterij together with Van Voorden Repair belong to the

Van Voorden Companies. Van Voorden has been active in the maritime world

since 1912. All products are of in-house design and production. The company

is specialised in high wear resistant alloys, mainly used for the dredging and

mining industry. In our own laboratory alloys are developed and adjusted to

the required application.

54

Van Voorden Gieterij, Maritime

Van Voorden Gieterij designs and manufactures ship propellers, nozzles and yacht

propellers for the maritime market. Advanced design systems and robotized

production processes are the base of high-grade products.

Van Voorden Gieterij, Industrial

We also produce high-alloyed industrial castings like pump casings, double walled

pipelines, impellers and other wear resistant parts. Almost the entire worldwide

dredging industry is using these products. The fascinating product range of

Van Voorden Gieterij is proudly presented by experienced, skilled people.

6

Van Voorden has been recognised by all classification bureaux and has been

certified ISO 9001:2000.

Horsepower isn’t everything,It’s what you do with it.

Next generation propellers

Optimised propulsion power

7.1

8.1 9.1

Van Voorden propellers are known in the

maritime world for their high efficiency, low

noise levels and excellent material quality.

Ship propellers Design and production

The propellers of Van Voorden are designed and manufactured in our

foundry in Zaltbommel according to the specifications of the client. In order

to anticipate the market with regards to propellers with a high capacity

density, Van Voorden has developed, together with MARIN, a unique and

highly advanced expert system for the design and analyses of ship propellers.

With this system new designs are achieved through a mix of knowledge from

previously made propellers and new assessments. With this expert system,

we are now also able to recommend you the choice of your propulsion

system during the early stages of ship design.

Application area

The Van Voorden Next Generation®

Propeller is extremely suitable in the

following sectors:

• Inland shipping

• Fishery

• Tug and push boats

10.1

Return

We aim at a highest efficiency, combined with the lowest possible production of

sound and vibrations for every type of ship, according to the requirement of the

customer. The propeller is a vital but also a vulnerable part of the ship. In this way

efficiency has a substantial influence on your fuel cost and, therefore, the

exploitation of your ship. As equally important is the life span and reparability of the

propeller.

Should unexpected damage occur to your propeller, you can call on our repair

workshops all over the world. This will keep you up to speed and an optimum

efficiency will be the result.

Product quality

The designing, casting and machining

of the propellers is based in

Zaltbommel, under strict supervision

of our quality department. The com-

pany is fully certified ISO 9001:2000.

At the same time all our products can

be delivered according to all accepted

qualification bureaux like Lloyds

Register, Bureau Veritas and

Germanische Lloyd.

Specifications

The maximum propeller diameter is

4.000 mm. High grade nickel alumi-

nium bronze guarantees excellent

mechanical properties and a long life

span.

Blades for cpp-installations

Besides fixed pitch propellers, Van Voorden

also manufactures cpp blades, irrespective

of the make of the controllable propeller

installation. The blades can be manu-

factured in alloys nickel aluminium bronze

and stainless steel.

Our prices are very competitive. Taking the

data of your controllable propeller

installation as a starting-point, we would

gladly discuss the various possibilities with

you.

Propeller Blades

11.1

13.112.1

Horsepower isn’t everything,It’s what you do with it.

Superior® nozzles

Optimised propulsion power

14.1

Van Voorden Superior® Nozzle

15.1

Application area

The Van Voorden Superior® nozzle

is extremely suitable in the

following sectors:

• Inland shipping

• Fishery

• Tug and push boats

A nozzle produces the greatest

gain in thrust at relatively low

speeds.

Furthermore, calculations also

showed that a larger discharge

diameter would also improve

efficiency. The nozzle derives its high

efficiency from an improved version

of the existing nozzle, a circular wing

around the propeller. The section

profile of this wing

generates a higher speed on the inside

than on the outside of the nozzle

and achieves its thrust through the

pressure difference that this creates.

Efficiency improvements in nozzle

technology have up to now mainly

been sought in increasing the system

diameter with all the disadvantages

that this entails, such as a correspon-

dingly larger installation size.

Advantages

A propeller in combination with a nozzle gives considerable benefit in:

• Thrust

• Fuel savings

• Improved speed

• Reduced noise and vibration

Construction

Steel and stainless steel plates are used for the construction of the

The Van Voorden Superior®. In the interior of the nozzle all of the components are fully

continuously welded from both sides. This method guarantees the reliability

and durability that is such a characteristic of Van Voorden’s products.

Specifications

The nozzles are designed and manufactured for propellers with a diameter of

max. 4.000 mm.

Practical experiences

In combination with a specially

developed propeller, the new nozzle

has been used successfully in both

inland shipping and the fishing industry.

Ships fitted with this new combination

appear not only to have an increase in

thrust, but are also free of unpleasant

vibrations and disturbing noises.

In short: in practice The Van Voorden

Superior® shows its strengths in more

than one area!

Return

The Van Voorden Superior® nozzle is

characterised by its slender, cambered

profile that makes no concessions to the

system diameter (outside diameter nozzle).

Advanced CFD-analyses

(Computational Fluid Dynamics) of tens of

profiles showed that a more slender profile

with more curvature clearly improved the

nozzle.

16.1

Yacht Propellers

17.1

Next generation propellers

Van Voorden is a well established foundry,

producing propellers for most mega yacht

builders all over Europe. All propellers are

custom designed and produced at our new

premises in Zaltbommel, the Netherlands.

Our propellers have an excellent reputation

for their high performance and very low

noise levels. The long lasting relations we

have with our customers prove the

satisfaction of our products.

Van Voorden Repair

Through Van Voorden Repair we also repair all sizes of yacht propellers, all

materials (like bronze, aluminium and stainless steel). You can also have your

propeller recalculated, after which adjustments can be executed in our own

machine shop.

Would you like to receive information on these products,

please call +31 418 571200 and ask for Mr Sjouke Sipkema.

Moonen Shipyards

Perle Bleue, Hakvoort

18.1



19.1

Optimised wear resistance

Industrial castings

20.1

Wear Resistable Castings

21.1

The dredging industry world wide are using our products. Especially the wear

resistance of Mohard® that was developed in our own laboratory, is unique.

The composition of this material can vary, depending on the wall thickness

and required applications.

Also double walled pipeline systems, to be used on board of dredging ships,

is part of our speciality. The exterior consists of a welded construction of nor-

mal steel, the inner pipe is made out of exchangeable Mohard® casting parts.

Product quality

Shaping and casting, as well as heat treatment and machining is based in

Zaltbommel, under strict supervision of our quality department. The company

is fully ISO 9001:2000 certified. At the same time all our products can be

delivered according to all accepted qualification bureaux like Lloyds Register,

Bureau Veritas and Germanische Lloyd.

In general

The Van Voorden foundry manu-

factures hand shaped castings,

single pieces or small series. Our

delivery program contains ferrous

as well as non-ferrous alloys. Our

experts have extensive material

knowledge. In our own laboratory

the emphasis lies especially on the

adjustment between product appli-

cation and mechanical properties.

Cast steel

- Non-alloyed

- Improved weldability for low

temperatures

- Warmth resistant

- Heat resistant

- Wear resistant

- Stainless

Cast iron

- Lamellar

- Nodular

- Austenitic

- Wear resistant

Aluminium bronze

- Seawater resistant

Specialisation

The manufacturing of high grade

products in wear resistant alloys is our

speciality. The alloys must above all

resist the abrasive wear. This form of

wear is well known at the dredging

and mining industry, in their pump

systems.

Depending on the circumstances,

i.a. we use:

• White iron: Nihard and Mohard®

• Cast steel : 47VA

We think with you to shape your

products. If so required, we can machine the

products in our own machine shop.

Possibilities

• Casting weight of

25 kg up to 30.000 kg

• A number of possibilities regarding our

extensive alloy program:

76



Worldwide proppeller repair service

Maintenance

Reoptimised propulsion power

The certified repair process includes:

• Measuring

• Straightening of bent selections

• Welding:

- Adding material on thin sections

- Inserting new sections

- Crack repair

• Grinding

• Polishing

1. Van Voorden is one of the best

manufacturers of propellers in the world

so we know everything about

propulsion/propellers. We can make

precise calculations for repair and

modification.

2. Very short lead times due to state of the

art flexible repair process

3. Our service is available anywhere in the

world

3 good reasons to choose Van Voorden for your propeller repair:

(FFP)

Repair of Fixed Pitch Propellers

(CPP)

Repair of Controllable Pitch

Propellers/blades

Worldwide propeller service

Quick and reliable service anywhere in

the world by our experienced repair

crew or our partner.

(See our last page; In India we work

together with

Vanson Engineering pvt ltd)

Any material

Nickel Aluminium Bronze

Manganese Bronze

Stainless Steel

Aluminium

Any size

Any brand

Any class

8 9

Propeller polishing

• Reduces fuel consumption 2 - 3%

• Executed on location (in the dock

behind the ship)

• Fouling and minor erosion spots will

be polished away

• ISO class 484/1 Clas II, I or S

• Damage inspection and crack

detection

Under water repair

Emergency propeller repair under

water in collaboration with our

partner Hydrex.

Repair according to any classification society’s standards

Van Voorden Repair is an ISO 9001:2000 certified company by Bureau Veritas

and holds all Germanischer Lloyd welding approvals for propeller repair.

Re-pitching

To solve problems with under- or overloaded

engines. To match changed requirements:

e.g. new/modified engine or gearbox,

different sailing conditions, increased or

decreased displacement.

Diameter increase

When re-pitching is not desired or possible.

To match changed requirements: e.g.

new/modified engine, different sailing

conditions, increased displacement.

10 11

Van Voorden Worldwide Propeller Repair

In The Netherlands, Van Voorden has the following strategic locations for propeller repair: • Zaltbommel • Delfzijl

Being part of Van Voorden Repair, all our joint ventures have had an extensive education

regarding propeller repair. Also, these co-operations have direct access to all necessary

repair data, engineering details and material specifications that are necessary for propeller

repair. They all work according to the same stringent procedures. This will ensure that your

propeller will be serviced in accordance with the same high quality standards.

To be able to offer our international

customers the same high-quality

propeller repair as we do in

The Netherlands, we work very closely

with the following partners:

• Germany:

Kölner Schiffswerft Deutz in Cologne

www.ksd-koeln.de

• Norway:

Skarvik A/S in Svolvær

www.skarvik.no

A/S Nymo Mek. Verksted in Grimstad

www.nymo.no

• United Arab Emirates:

Albwardy Marine Engineering LLC

in Dubai

www.albwardymarine.com

Email: [email protected]

• Iceland:

Slippurinn in Aqureyri ehf. in Akureyri


• China:

Diesel Marine International Ltd. Nantong


Diesel Marine International Guangzhou Ltd.


Diesel Marine International Dalian Ltd.


• India:

Vanson Engineering PVT. Limited

Maharashtra, INDIA

www.vansonengineering.com


• Surinam:

SDSM

The Surinam Drydock & Shipbuilding Co.

in Paramaribo


• Poland:

Wojciech Ostrowski Consulting in Szczecin


• Estonia:

Simms Marine in Tallinn


• Greece:

Intertrade Co. Ltd. in Piraeus


13

Consequences of propeller damage:

Minor damage (e.g.: damage

to blade edge, small cracks,

erosion)

• Efficiency loss and higher fuel

consumption

• Deterioration of propeller due to

increased cavitation

• Increased noise and vibrations

and therefore uncomfortable

living conditions on board

12

Heavy damage (e.g.: bent blades,

missing blade sections, strongly

eroded blade sections, etc)

• Vibration; risk of damage to propeller

shaft bearings, seals, gearbox, engine

• Engine overload can result in engine

damage

• Serious loss of efficiency: increased

fuel consumption, loss of thrust

• Deterioration of propeller due to

increased cavitation

• High level of noise and vibrations

van voorden

Documents

propellers of van voorden

fixed propellers

yachtvan voorden repair

analyses of ship propellers

companyvan voorden gieterij

regular propeller maintenance

maritime industrial

year van voorden repairs