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    HAMONProcess Heat Exchangers

    AIR-

    CO

    OLED

    HEAT

    EXCHANGER

    S

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    Hamon in a few words

    Hamon started its industrialactivities in Europe (Belgium and

    France) a century ago and devel-

    oped the cooling tower business.

    Hamon spread its wings geo-

    graphically in the seventies and

    urther consolidated the thermal

    business in the nineties. Hamon

    became a world leader in the

    product lines it chose to be in,

    respectively:

    Wet cooling towers

    Air-cooled heat exchangers

    Air pollution control

    Chimneys

    With over 50 years o experience

    in the ield o heat exchange,

    Hamon DHondt can address and

    resolve all clients needs in air-

    cooled heat exchange.

    Hamon DHondt designs and

    manuactures air-cooled heat

    exchangers (ACHE) and fnned

    tubes and can oer their products

    to chemical, petrochemical, pow-

    er and heat recovery industries.

    Hamon DHondt has developed

    signifcant innovative technologies

    in the design and abrication o

    high pressure equipment and in

    the manuacturing o components

    made with special materials such

    as Titanium, Hastelloy, Incoloy,

    Duplex, Super Duplex, Monel

    and Nickel Alloys.

    Thanks to its consolidated design

    and manuacturing experience

    combined with the adoption o

    improved design and abrication

    concept, Hamon DHondt is

    able to give a high technological

    contribution to the completion oindustrial plants and implemen-

    tation o energy programs world-

    wide.

    Hamon DHondt specialises in the

    design and manuacture o the

    ollowing products or chemical,

    petrochemical and power gener-

    ation plants:

    Air-cooled heat exchangers

    (API 661)

    Tube bundles

    Aluminium fnned tubes

    High requency and studded

    welded fnned tubes

    The complete service starting rom

    thermal and mechanical engineer-

    ing to the complete manuacture,

    including the internal design andsupply o the main components

    like fnned tubes, an hubs, an

    blades, etc, guarantees Hamon

    DHondt supplies or the best

    perormance and efciency.

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    Hamon DHondt has two acto-ries: the main one in Fresnes-

    sur-Escaut, France and a new one

    in Jubail Industrial Area, Saudi

    Arabia, to serve more specically

    the Middle East markets.

    French actory

    Hamon DHondt has a large ac-

    tory in Fresnes / Escaut (France)

    with a covered area o 17.550 m2

    on a total surace o 115.000 m2.

    The workshops are equipped with

    the most modern machinery or

    proper manuacturing and control

    o the complete air-cooled heat

    exchangers.

    Hamon DHondt acilities

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    Saudi Arabia actory

    Hamon DHondt has a actory

    in Jubail Industrial Area (Saudi

    Arabia) with a covered area o

    3.500 m2 on a total surace o

    12.000 m2.

    The workshops in Saudi are

    perorming tube nning, bundle

    assembly, air-cooled heat ex-

    changer modularizing, and all

    relevant tests (hydrotest, helium

    leak testing, vibrations, noise...),

    whereas the pressure parts

    (headers) are being manuactured

    in France and shipped to the

    Jubail actory.

    Hamon DHondt Middle East acilities

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    Air-cooled heat exchangers

    The air-cooled heat exchangersare mostly used when the plant

    location and the ambient condi-

    tions do not allow an easy and

    economic use o other cooling

    systems.

    The most evident advantages o

    air-cooled heat exchangers are:

    No problem arising rom ther-

    mal and chemical pollution o

    cooling fuids

    Flexibility or any plant location

    and plot plan arrangement

    (installation over other units)

    Reduction o maintenance costs

    Easy installation by bolted

    assembly

    Lower environmental impact

    than shell and tube heat ex-

    changers thanks to the elimina-

    tion o an auxiliary water supply

    Hamon DHondt provides com-

    plete aircooler units including

    tube bundle assembly, motor-an

    groups, structure, access ladders

    and walkways. Typical arrange-

    ment can be orced drat, induced

    drat, or air-recirculation unit.Hamon DHondt also supplies

    pre-assembled modules.

    Typical components include

    headers, nned tubes, and

    motor-an assembly.

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    Forced drat

    Allows easier maintenance o the

    ans. Fans deliver air at ambient

    temperature with consequent

    higher eciency.

    Induced drat

    The plenum chambers are mount-

    ed on top o the bundle and

    protect the nned surace against

    wind, rain, snow and partially hail.

    The location o the ans also

    ensures an optimum air distribu-

    tion, limits air recirculation and

    allows lower level at maintenance

    walkway level. Fans deliver hot air.

    Recirculated / Winterization

    This eature is recommended or

    special processes (hydrate pre-

    vention..) and cold climates,

    where it is advisable to provide

    warm air by recirculation to pre-

    vent reezing. The recirculation

    may be achieved by means o

    louvers, steam coils and variable

    ans.

    Air-cooled heat exchangers

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    Tube bundles tailor made

    Hamon DHondt designs andmanuactures interchangeable

    tube bundles using top perorm-

    ance equipment.

    All types o air-cooled bundles can

    be replaced with no alteration o

    the heat exchange capacities and

    are ully adaptable to existing

    piping and existing structure.

    The replacement bundles are

    re-designed according to the latest

    code editions and innovation

    standards.

    Retubing

    Hamon DHondt perorms the

    re-tubing o tube bundles; this is

    directly made in our workshops.

    Hamon DHondt also manuac-

    tures ully interchangeable nned

    tubes.

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    Aluminium KLM type

    KLM nned tubes are Hamon

    DHondt proprietary development.

    Manuacturing process

    The ns are composed o an

    aluminium or copper strip

    tightly wound around the tube

    The bases o the ns orm a

    perect seal, thus oering totalprotection to the underlying

    tube

    The tube and base o the ns

    are simultaneously knurled

    together, thus guaranteeing a

    perect t between the n and

    the tube to provide optimum

    heat exchange

    Advantages o the KLM fn system Tube protected against corrosion

    Resistant to vibrations

    May be used at temperature

    up to 320C (608F)

    Unique combination o high

    thermal perormance and

    stress resistance with atmos-

    pheric corrosion protection

    KLM can avorably replace any

    type o nned tubes

    Aluminium fnned tubes

    Aluminium Extruded type

    Manuacturing process

    An aluminium mu is shrunk

    onto a bare tube, which has

    been careully degreased rst

    The assembly is passed through

    the machine by means o a set

    o rotating disks

    The compression o the disksaround the aluminium mu

    results in the extrusion o the

    aluminium around the base

    tube, thus causing the orma-

    tion o the ns

    The pre-stressing o the alu-

    minium mu means that the

    ns are held perectly around

    the base tube

    Advantages o the extruded

    fnning process

    Tube protected against corrosion

    Fins have extra rigidity

    Heat transer remains constant

    May be used at temperatures

    up to 300C (572F)

    Aluminium Embedded G type

    Manuacturing process

    A groove is cut in the bare tube

    by metal liting

    The strip is embedded under

    tension into the groove and

    pressure is applied to the lited

    metal to x the n

    This manuacturing processensures that the n is xed

    tightly to the tube, providing

    optimum heat transer

    Advantages o G fns

    Provides a perect t between

    the n and the tube

    May be used at temperatures

    up to 400C (752F)

    Hamon DHondt produces a wide range o fnned tubes (with aluminium ns) or all industrial sectors andis ully equipped to test the contact between tube and ns ensuring the expected thermal perormances

    (pull and push test, ...).

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    For all products Hamon DHondtoers a ull scope o services

    including engineering, procure-

    ment, supply o complete units,

    assistance at commissioning and

    start-up.

    Hamon DHondt also ensures

    ull ater sales services:

    Supply o spare parts (nned

    tubes, plugs, gaskets, bearings,

    an blades, pulleys, motors..)

    Trouble shooting or revamping

    studies

    Perormance optimization

    Re-tubing o bundles in our

    workshop

    Hamon DHondt provides all spare

    parts or their products, either

    rom the ready stock (bearings,

    ans, motors, plugs, gaskets, )

    or manuactured on demand

    (header, nned tubes, bundles)

    in compliance with the original

    parts (all parts guaranteed except

    wear parts).

    Services

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    Our service is not limited to themain and most requent replace-

    ments. We are available or any

    kind o supply according or not

    to our design; our experienced

    team can help you implementing

    and improving the perormance

    o your equipment.

    A non-exhaustive list o the

    products, which can be supplied

    as complement o our units are:

    Vibration switches

    Vibration detectors

    Bearings

    Louvers

    Positioners

    Finned tubes

    Collars, tubes supports

    and any other parts as per your

    needs.

    The Hamon DHondt production

    range covers all types o nned

    tubes with aluminium ns, steel

    ns, etc. The nning operations

    are completely carried out in our

    workshops and guaranteed by

    our periodic production tests.

    All tubes can be supplied with any

    kind o exchanger tube material

    and a wide choice o dimensions

    and thicknesses.

    Spare parts

    Complete range o mechanical

    parts such as:

    Aluminium or plastic an blades

    Fan hubs

    V, HTD, etc. pulleys type and

    belts

    Electric motors

    Gearboxes

    Other accessories

    I not available rom stock, can

    be supplied within the shortest

    time.

    Among the most common spares

    needed or the air-cooled heat

    exchangers are plugs, gaskets and

    belts, subjects to requent wear.

    Our well stocked warehouse put

    at your disposal, standard mate-

    rials and dimensions, nearly upon

    immediate delivery.

    Hamon DHondt can supply re-

    placements o pressure parts or

    air-cooled heat exchangers.

    All pressure parts are supplied in

    accordance with the same qualityassurance as the original equip-

    ment and constructed ollowing

    all pertinent international Codes

    and Regulations and certied,

    when required, by the main

    International Certication Bodies.

    Re-tubing o tube bundles can

    be made in our workshops.

    A special care in the workshoporganization assures priority

    during the manuacturing cycle

    to guarantee short delivery terms.

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    Studded tubes

    Studded tubes under Biraghi trade name

    Automated studding equipment

    All tubes and studs material combinations:

    carbon, alloy and stainless steel

    Main applications: petrochemical

    Approved by the industry majors

    Other activities

    Welded fnned tubes

    High requency welded nned tubes under Biraghi

    trade name

    Automated HF equipment

    All tubes and ns material combinations:

    carbon, alloy and stainless steel

    Plain or segmented ns

    Main applications: energy (i.e. HRSG) and

    petrochemical (red heaters)

    Approved by the industry majors

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    HAMON DHONDT

    1524, rue de la Paix

    59970 Fresnes sur Escaut

    France

    Tel: +33 3 27 28 44 28

    Fax: +33 3 27 28 44 00

    [email protected]

    HAMON DHONDT MIDDLE EAST

    Tareeg 128, Jubail Support Industrial Area

    P.O. Box 1080 Jubail 31951

    Kingdom o Saudi Arabia

    Tel: +966 555 14 06 48

    [email protected]

    www.hamon.com