THE COMPANY. TECHNICAL OFFICE AND PRODUCTION UNITS. Our company has two production units:

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Reginald Clarke
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2 THE COMPANY COMPANY PROFILE. 3S Saldature Speciali Segrate Srl was established in Since from its origin the Company was oriented to the design and production of equipment-components which are widely used in all thermal heat exchange industrial applications, through the construction and supply of heat exchangers tested in accordance with the different international standard regulations. TECHNICAL OFFICE AND PRODUCTION UNITS. Our company has two production units: 3S Srl has more then forty years of experience inside to the market. Our experience is characterized by a continuous technical improvement in terms of design and equipment construction, supported by appropriated business decisions, that have allowed us to follow the development of the European and international markets through the use of innovative technologies for the production of all our components. the first unit, is based in Cambiago (Milan) with a production area of mq where a warehouse for raw materials storage is located and where the Production Department performs the manufacture of finned tubes, the assembling construction of heat exchangers with finned tubes and tubular heat exchanger with smooth simples pipes; the second production unit, is located in Trezzano Rosa (Milano) with a production area of mq, where the finned pack coil heat exchangers are designed and built. In this unit are also located our Administrative and Executive offices, including an advanced technical design office working with a modern technology system of drawing CAD 2D and modeling 3D.

3 CERTIFICATIONS CERTIFICATES AND TEST. 3S Srl has obtained few years ago the certification ISO 9001/2000 in compliance with all quality standards and operative guidelines required by the international regulations. We adopted a software system of calculus and thermodynamic development for our heat exchangers, in compliance with the EUROVENT standards for which we have been certified since year We also carry out specific tests on our heat exchangers which are supplied in according to the construction standards and guidelines issued by the main international notified inspection bodies. In detail: Inspection bodies Test ISPESL Hydraulic test RINA Pneumatic test TUV PED SGS RX and ultrasound LLOYD'S REGISTER Penetrate liquids (LP) BUREAU VERITAS APAVE ABS STANDARDS ADOPTED. Our heat exchangers are also designed and constructed in accordance with the following rules and main guideline: 97/23/EC (PED) ASME VIII Div.1 ADMK TEMA VSR-VSG EN (Harmonized Standards) EN (Tubes) CODAP PD 5500 WELDING PROCESS. ASME IX EN 287/288 EN 15614

OUR PRODUCTION AND APPLICATIONS OUR PRODUCTION.

finned tubes and heaters with finned pack obtained from coils

We supply: e Spiral finned tubes heat echangers e Finned pack

e Smooth tubes heat exchangers e Air heat exchangers and heat

precise specifications requested by our Customers.

titanium steel alloy We are able to perform any kind of

correspondence of: the corners, the finned tubes, pipes

4 OUR PRODUCTION AND APPLICATIONS OUR PRODUCTION. 3S Srl designs and manufacture heat exchangers with spiral finned tubes and heaters with finned pack obtained from coils with pitch P60, P40 and P30. We supply: e Spiral finned tubes heat echangers e Finned pack coil heat exchangers. e Smooth tubes heat exchangers e Air heat exchangers and heat recovery systems air-air, air-flue gas/chimney smokes.. e Tubular heat exchangers. e Direct expansion coils and air-coolers complete with integrated axial fans. e Prototypes for special applications, constructed under precise specifications requested by our Customers. e Special heat-exchangers built in anti-shock execution for naval and military uses. e Special heaters made with materials and weldings in titanium steel alloy We are able to perform any kind of special welding on our heat exchangers specially in correspondence of: the corners, the finned tubes, pipes collectors. This is in order to ensure the high quality standards requested by our customers. CONST R UC TI V E EXAM PL ES: Heat exchanger for cooling applications. Fluids: air - ice water. Heat exchanger for heating air conditioning. Fluids: air - hot water. Air conditioning unit composed by heaters with drops separator

Srl are widely used in the following fields

fluids thermal treatments applications to be

e Drying plants and pneumatic transports.

plants designed for thermal energy recovery.

e Civil and military naval shipbuilding e

fed on the pipes side with different types of

e Heat transfer oils. e Freon and Ammonia.

FINNED PACK HEAT EXCHANGERS Direct expansion

Fluids: air-freon Cooler for air processing

5 MAIN APPLICATIONS AND USES The heat exchangers manufactured and supplied by 3S Srl are widely used in the following fields of application: e Air conditioning systems for civil and industrial installations. e Air heating and cooling plants or other fluids thermal treatments applications to be used in different industrial processes. e Drying plants and pneumatic transports. e Industry of the heat transfer and special plants designed for thermal energy recovery. e Food and paper manufacturing industry. e Chemical, petrochemical and textile industry. e Civil and military naval shipbuilding industry. e Drying technology industry. The heat exchangers can be fed on the pipes side with different types of fluids, such as: e Industrial water. e Sea water and brines. e Ice water and water-glycol. e Heat transfer oils. e Freon and Ammonia. e Steam. e Special fluids. FINNED PACK HEAT EXCHANGERS Direct expansion coil for air cooling. Fluids: air-freon Cooler for air processing cooling. Fluid: water-glycol. Heat exchanger for fluids condensation. Fluids: air-steam. Heat exchanger for motors cooling used on off shore platforms and naval applications. Fluids: air-sea water

SPECIAL APPLICATIONS SOLVENTS RECOVERY 3S Srl

design companies working in the recovery of

This allows us to work closely with important

In particular: the screen printing industry,

heat exchangers for special applications used

equipment for energy conversion of biomass,

and thermal energy recovery applied to the new

Including any other application concerning the

special applications, has enabled us to become

6 SPECIAL APPLICATIONS SOLVENTS RECOVERY 3S Srl is supplier of the leading international design companies working in the recovery of industrial solvents. This allows us to work closely with important Clients who are involved in the field of the pollution reduction and environment improvement, including a reduction of the production cost connected with the equipment-plants where these solvents are used. In particular: the screen printing industry, the paper and wood processing industry and other important applications. HEAT RECOVERY We are able to supply thermal heat exchangers for special applications used in the industry of energy recovery such as: equipment for energy conversion of biomass, industrial plants for domestic remote heating and thermal energy recovery applied to the new generation of electric power plants. Including any other application concerning the oil industry and nuclear electric power generation industry. The use of our heat exchangers on these special applications, has enabled us to become suppliers of the main European Customers and Contractors. C O N S T R U C T I V E E X A M P L E S : Heat exchanger for air heating with fluid diathermic oil. Heat exchanger for service equipment oil cooling. Heat exchangers group, gas-tight execution made, for solvent recovery plant.

7 MAIN MATERIALS AND USES TUBES - FINS - FRAMES - HEAT EXCHANGER BODIES. The main materials used for our components construction are: carbon steel, stainless steel, galvanized steel, aluminium, titanium, copper, cupro nickel. In detail: In detalle: Tubes Fins P235 GH UNI663/68 Fe EN5866 FE P02 ASTM A 106 Gr B Al ASTM 179 Aluver ASTM P11 Cu ASTM A334 Gr 1 AlMg2,5 Inox AISI 304 L Inox AISI 304 Inox AISI 316L Inox AISI 316 Cu/Ni90/10 Cu/Ni70/30 Cu Inox AISI 316 Ti SAF 2507 SAF 2205 SANICRO 28 Titanium Body shell - Racks Coil frame Carbon steel Al Inox AISI 304 FeZn Inox AISI 316 Fe 430 B Inox AISI 321 ASTM 240 TP304 SAF 2507 ASTM 240 TP316 SAF 2205 Al Peralluman Alloy 5754 SANICRO Cu SPIRAL FINNED TUBES HEAT EXCHANGERS Heat exchanger with smooth tubes for fluid ammonia at -40 C Air cooler for high pressure air cooling. Heat exchanger group operating with hot water. Air heater unit for air food process heating.

DESIGN AND CONSTRUCTION OF HEAT EXCHANGERS OPERATIVE UNITS VIA BARI, 8-20060 TREZZANO ROSA (MI) VIA TIZIANO, 12/14-20040 CAMBIAGO (MI) Tel. +39 02 90981369-02 95067167 Tel.

8 DESIGN AND CONSTRUCTION OF HEAT EXCHANGERS OPERATIVE UNITS VIA BARI, TREZZANO ROSA (MI) VIA TIZIANO, 12/ CAMBIAGO (MI) Tel Tel Fax Fax Internet: LEGAL UNIT: Via Podgora n. 12/b Milano I VAT N. IT C.C.I.A.A. MILANO TRIBUNALE DI MILANO /5014/35

CABERO PRODUCT CATALOGUE

CABERO PRODUCT CATALOGUE AIR COOLED CONDENSERS WITH AXIAL FANS ACH / ACV (MONO COIL) air conditioning and refrigeration systems 5-1,420 kw REFRIGERANTS: available for all refrigerants incl. NH 3 and CO