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Thermal Exchange Experts

Corrugated Tube Heat Exchangers

Heat Transfer

Shell and Tube Heat Exchangers

Heat Exchangers Engineering

Shell and Tube Heat Exchangers

Heat Exchangers Design

Heat Exchangers Manufacturing

Which data are required to prepare a quotation for heat exchangers?

To do the thermal calculations we need to know the following information:

  • Thermal properties of the product (density, specific heat, thermal conductivity and viscosity at least at 2 temperatures).
  • Thermal balance (inlet temperature, outlet temperature, flowrate both of product and service.

To prepare the quotation it is also recommendable to provide some further details, as: required construction material, available space in the plant, connections of product and service side, or maximum pressure drop.

For more information, please read our technical article Heat exchangers thermal calculation.

Heat Exchangers Thermal Calculation

Which are the most common construction materials in a SACOME heat exchanger?

We usually work with austenitic stainless steels (304, 316L, etc.) or carbon steels if it is an application for the chemical industry. Under request we can quote duplex (austenitic-ferritic), superduplex and hiperduplex stainless steel or other qualities.


Materiales de fabricación en intercambiadores de calor

Are the SACOME heat exchangers suitable for handling corrosive fluids?

If your application has corrosion issues, we can advise you about the appropriate quality for the given corrosive agent content and operation temperature, and particular attention will be paid to keep an hygienic design and crevice-free design.

For more information, please read our technical article How to avoid intergranular corrosion in austenitic stainless steel.

How to avoid intergranular corrosion

My product is new, and I don’t know its thermal properties. How can we proceed?

In our database we have a wide range of about 600 fluids within the food, pharma, cosmetics and industrial applications. On this basis we can propose and advice our clients the most suitable values to consider.

And, if needed, we have a close collaboration with specialized laboratories and universities to do tests and determine the real values of the thermal properties for a given sample of product.

For more information, please read our technical article Analysis of the thermal properties of fluids.

Analysis of the thermal properties of fluids

Which software do you use for the thermal design of your heat exchangers?

We use Xist and Xjpe softwares (from HTRI, Heat Transfer Research Inc.) in combination with our in-house softwares.

Our R+D+i Department is continuously working on the refining of our thermal calculations methods and, as we are a registered member of HTRI, our technical staff are provided ongoing training and get online support by their experts.


Heat Transfer Research, Inc.

What are the standard performance over-design margins in the SACOME heat exchangers? Do you take account of fouling effects?

Fouling is an issue that affects in a different manner to each application, we consider this calculating our heat exchangers with a suitable area excess or taking into account a fouling factor, in such a way that the unit is able to run properly for a long “running time”.

Our aim is to offer a reliable and flexible solution to our customer.


Intercambiadores de calor de tubo corrugado

I need a heat exchanger for an immediate delivery. Do you have any unit in stock?

We have a standard range of water heater and CIP heaters, our V SERIES Heat Exchangers, that we have in stock and have a very competitive price.

V SERIES Tubular Heat Exchanger

Do you build custom-designed heat exchangers? Which is the delivery time?

Designing and building tailor-made solutions is one of our strengths.

When it comes to custom-made units, we study case by case and will inform you about our best manufacturing delivery time.

Our Projects Department issues the drawings of the units and when we get the client’s approval we get on with the manufacturing.

If I have connected my heat exchanger in a different way than that suggested by SACOME, will it work properly?

On a normal basis the heat exchanger is designed in countercurrent flow, except in specific cases in which it is more suitable to install it cocurrent flow instead.

Please check up the nozzle disposition in the drawing and documentation we supply with our equipments.

Are your heat exchangers recommended to work in horizontal or vertical position?

Our heat exchangers can work in both ways, but we must do a case-by-case study as for some processes this is an issue that can affect to the thermal performance.

Moreover, a pitched horizontal installation is also a possibility we recommend for applications in which self-drainability is required. In our technical offer we state the recommended position.

How can your corrugated tube heat exchangers be cleaned on site?

Different procedures can be considered for this purpose, among them we can highlight the chemical cleanng or CIP cleaning (“Cleaning In Place”)  and mechanical cleaning procedures.

What flowrate should I run for CIP?

We recommend to process a CIP flowrate to get 1.5 m/s as velocity in the inner tubes. We will advise you in the early stages of the project about the suitable CIP flowrate and pressure drops.

What guarantee does SACOME provide for its heat exchangers?

The period of warranty is indicated in our General Sales Conditions, and for certain cases we can study the conditions to extend this standard guarantee.

What is the lifetime of your heat exchangers?

The SACOME heat exchangers involve low maintenance tasks, due to the near-absence of gaskets (unlike for plate heat exchangers) and the lack of moving parts (whereas this does occur in other configurations as scraped surface). This, along with our robust designs, lead us to provide solutions with a lifetime in some times of several dozens of years, although this is an issue that depends on the application and processed products. To run properly our units and extend their lifetime as much as possible, please follow the recommendations stated on our Manual of Instructions.

For more information, please read our technical article Advantages of tubular heat exchangers.

Advantages of Tubular Heat Exchangers

How can your heat exchangers be insulated?

We can provide different insulations, depending on the customer’s needs. We can do individual insulation (mineral wool or fibre insulation and stainless steel sheet) as well as cladded frames.

Aislamiento con bastidor cerrado

My product contains big-size solids. Which configuration do you recommend me?

Our suitable geometry is the monotube heat exchanger, composed of 2 concentrical tubes, flowing the product throught the inner pipe whilst the service runs in the annular space.

Please consult our online catalogues for SACOME monotube heat exchangers:

Tube in Tube heat exchanger with non removable inner tube.

S-TF20-I Sanitary Heat Exchanger






Tube in Tube heat exchanger with compact design and removable inner tube.

S-TF20-D Sanitary Heat Exchanger






Pharmaceutical heat exchanger consisting of two concentric tubes.

P-TF20-I Pharmaceutical Heat Exchanger.






Tube in tube heat exchanger consisting of two concentric tubes. Non removable inner tube.

I-TF20-I Industrial Heat Exchanger


Has SACOME its own manufacturing facilities?

Since the foundation of the company in 1978, SACOME has its own manufacturing facilities in Cartagena (Spain) where all our engineering staff and manufacturing are integrated.


SACOME Ingeniería, Diseño y Fabricación desde 1978 SACOME Ingeniería, Diseño y Fabricación desde 1978

What percentage of heat recovery can be reached with the SACOME corrugated heat exchangers?

This is an issue that depends on the application. For each case our Technical Department can do a custom analysis to check and recommend the optimal regeneration rate, to ensure the maximum heat recovery but making sure it takes a reasonable time for our customer to get the investment paid back. We assume the commitment of minimizing energy costs and advice our clients in this regard since the early stages of the project.

For more information, please read our technical article Advantages of corrugated tube heat exchangers.

Corrugated Tube Heat Exchangers


Can the SACOME heat exchangers do direct (product/product) regeneration?

Within our heat exchangers porfolio we offer solutions to do the product/product heat recovery, in which the product is processed in the tubeside as well as in the shellside, in such a way that the hot product transfers heat to the incoming cold product.

However, this is something that can be done for certain applications, whilst for others, due to more demanding hygienic requirements, we recommend to do this as indirect regeneration. In the indirect regeneration the heat recovery is done in 2 different heat exchangers by means of an in-between close water loop.

Are your heat exchangers outfitted with baffles in the shellside?

We always check the distribution and pay special attention to choose the most suitable geometry for the baffles, what can be a key decision for certain applications.

The baffles play different roles, as they support the inner tubes, restricting thus the unsupported span, and they also help to improve the crossflow stream in the shellside, enhancing the heat transfer, what can be especially important for applications handling low conductivity fluids, as mineral or vegetable oils.

The baffle distribution and chosen geometry is also key when it comes to certain applications with high risk of vibrations, i.e. gases and phase changes in the shellside.

It’s worth to mention that the baffle analysis is one of the strengths of our software Xist, edited by HTRI (Heat Transfer Research Inc.), and it even incorporates a specific module for the checking of vibrations.

 HTRI Xchange Suite 7

What is the maximum design pressure and temperature for a SACOME heat exchanger?

We have supplied heat exchangers for design pressures over 100 barg, and for design temperatures above 600 ºC.

Our Technical Department checks the mechanical design according to AD Merkblätter, ASME Section VIII Div. 1, EN 13445, among other design codes. In adidition, Finite Element Analysis for special applications. Special attention must be paid to the choice of the material for high temperature applications, as it occurs for the heat recovery processes for exhaust gases and incineration gases.


Tubular heat exchangers to recover the energy from the exhaust gases

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