Case Study - Allessa GmbH, Germany

Allessa GmbH, Frankfurt, Germany

Matthias Stoll

We recently sold a used Atlas 12 m² horizontal shell and tube heat exchanger to Allessa GmbH, Germany.  When selling second hand equipment into Germany it is very important to have the relevant technical documentation in order to obtain approval from the TÜV (Technischer Überwachungs-Verein - Technical Inspection Association).  Due to a lack of technical documentation for this particular item our Sales Manager, Julie Morris had to place an order directly with the OEM, Atlas in the USA.

L1052-26 Atlas shell and tube Heat Exchanger

Perry Process has close connections with OEMs which helps us obtain the required technical documentation for our customers quickly. We ensure that our relationships with OEMs are strong as some of our customers could be forced to cancel their orders if we are unable to supply technical documents with our equipment. This is mainly due to the additional costs that would be incurred to have the equipment recertified or approved.

Julie Morris repeatedly contacted Atlas until she managed to obtain a drawing and the required CE documentation. We received the CE documents in January 2014 and shipped the unit to Germany in February 2014. We also carried out our own 'in-house' hydro test on shell and tubes prior to despatch and sent a test certificate to the customer to confirm that no faults had been found.

                                            

Matthias Stoll, Allessa GmbH, Germany statement:

“I am very happy with the purchase and would like to thank Perry Process for all their efforts to obtain the technical documentation and CE documentation from the OEM in the USA. I am happy with the heat exchanger as are the TÜV.  I have saved Perry Process in my favourites and will contact them in the future for equipment.”

One month later, Matthias went on to purchase another heat exchanger from us, stating that the initial service, turn-around-time and price of used equipment were the main factors in his decision to purchase from Perry Process Equipment Ltd again.

To view our full range of Heat Exchangers on our website click here. Alternatively, you can discuss your requirements with one of our Sales Managers by calling us on: +44 (0) 1325 315111 or sending us an email.

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Read All About: Heat Exchangers

What is a Heat Exchanger?

A Heat Exchanger is a piece of equipment built for efficient heat transfer from one medium to another. Heat Exchangers are used for the transfer of heat or cold between two fluids for the purpose of heating the process, cooling the process or condensing vapours during the process. Heat Exchangers can also be known as Condensers, are pressure and temperature rated and can be horizontally or vertically orientated. They are widely used in space heating, refrigeration, air conditioning, power plants, chemical plants, petrochemical plants, petroleum refineries, natural gas processing, and sewage treatment. The classic example of a Heat Exchanger is found in an internal combustion engine in which a circulating fluid known as engine coolant flows through radiator coils and air flows past the coils, which cools the coolant and heats the incoming air.

There are several different types of Heat Exchangers in the process industry. These include: shell and tube, plate, spiral and air cooled and compoblock Heat Exchangers. A shell and tube Heat Exchanger has an external cylinder called a shell with internal tubes that run the length of the shell. There are tube sheets on each end of the tubes sealing the shell around the tubes and there are covers on each end called heads which can come in several configurations. Basic principal of operation is that one fluid flows through the tube and the other fluid flows around the tubes; the large number of tubes in the bundles offer extensive contact surfaces which facilitate quick and efficient thermal transfer. The fluid inside the tubes can flow in a single pass or multiple passes using baffles in the heads. Another type of heat exchanger is the plate Heat Exchanger. One is composed of multiple, thin, slightly separated plates that have very large surface areas and fluid flow passages for heat transfer. This stacked-plate arrangement can be more effective, in a given space, than the shell and tube Heat Exchanger.

There are three primary flow arrangements with Heat Exchangers: counter-flow, parallel-flow, and cross-flow. In the counter-flow exchanger, the fluids enter the exchanger from opposite sides. This is the most efficient design because it transfers the greatest amount of heat. In the parallel-flow version, the fluids come in from the same end and move parallel to each other as they flow to the other side. The cross-flow Heat Exchanger moves the fluids in a perpendicular fashion.

Heat Exchangers at Perry:

Perry Process Equipment Ltd are the largest stockists of used Heat Exchangers and Condensers for use in the chemical, pharmaceutical and food industries and can save you up to 70% when compared to the cost of a new unit. We have been buying and selling used equipment for over 80 years, so you can trust our expertise.



Used CICR Heat Exchanger - Stock number: L1056-01



We have 100s of used Heat Exchangers in stock including air cooled, fin tube, plate type, karbate, scraped surface, shell & tube, spiral heat, tube in tube, alloy, carbon and stainless steel. Our Heat Exchangers are available in horizontal or vertical orientation, in many diameters, dimensions and capacities.

You can find a wide range of high quality Heat Exchangers at our Newton Aycliffe site, from manufacturers including Aset, Thies, APV, Johnson Hunt, SSC, Zeta, Applied Fusion, Alfa Laval and Canzler.

View our inventory online or call us now on: +44 (0) 1325 315111.

To learn more about NEW Heat Exchangers manufactured by our affiliate, Perry Products Corp, whether in stock or fabricated to your specifications, click here to go to the Perry Products site.

Read All About: Centrifuges

What is a Centrifuge?

Centrifuges are machines used in laboratories, medical facilities, and industries to separate suspended material from the mediums they are mixed with. This is done by spinning closed containers of the mixture very quickly around a fixed, central point. The centrifugal force generated by this motion forces the denser material in the suspension against the walls of the container, effectively separating it from the solution. These devices are used to separate solids from fluid suspension mediums.

How They Work

The core principle of centrifuge operation is centrifugal force. If a bucket half-filled with water is spun quickly in a circle, over the head and back down to the ground, centrifugal force created by the rotation of the bucket forces the water towards the bottom. This is what keeps the water in the bucket even when it's upside down.

Most centrifuges harness this force in a similar way, and consist of a casing with a lid and a driven central rotor. The rotor spins at high speed and the centrifugal force causes any matter in the solution denser than the liquid to be forced against the outer walls of the tubes, separating it from the fluid in the process.

Centrifuges at Perry

Used Ferrum Type DSZ-0-800 316L SS
Basket Centrifuge. Stock number: L0771-078A

Perry Process are stockists of used centrifuges for use in the chemical, pharmaceutical and food industries and can save you up to 70% when compared to the cost of a new unit.  

We have over 600 used centrifuges in stock from manufacturers including; Krauss Maffei, Dorr Oliver, Basco, Rousellet, Carr, Tolhurst, Alfa Laval, Humbolt Weday, Sharples, Heinkel, Ellerwerk, Broadbent, Ferrum, Westfalia, Andritz, Comi Condor and Carl Padberg.

The types of centrifuges we have in stock include: stainless steel, batch or continuous centrifuges, solid bowl or perforated basket centrifuges, peelers, pushers, conical decanters and separators.
Perry has been buying & selling used process plant & equipment worldwide for over 80 years.

View our inventory of used centrifuges online now. 

If you would like to speak with a member of our team, please call us on +44 (0) 1325 315 111.

Perry Process Equipment Supports Butterwick Hospice

Perry Process Equipment Ltd is proud to announce that we are now officially a Corporate Supporter of Butterwick Hospice.

     

Butterwick Hospice aims to improve the quality of life for those who have a life limiting illness and their families.

Darren Bentham, Managing Director of Perry Process Equipment Ltd said, “We decided to become a Corporate Supporter of the Butterwick Hospice because it is a charity that provides end of life care, of the highest quality, to local people. We are proud to support the charity and to help them to continue this fantastic service for many years to come”.

Patricia Boynton, Executive of Butterwick Hospice Care commented that she “would like to thank Perry Process for making such a generous donation and for choosing to become a valued Butterwick Corporate Supporter”.

By supporting this amazing local cause, we hope to raise as much funds as possible throughout 2014.

Visit www.butterwick.org.uk for further information and fundraising events.