Graphite Shell & Tube Heat Exchangers
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Catalog excerpts

Graphite Shell & Tube Heat Exchangers - 1

Shell & Tube Heat Exchangers Broad Base. Best Solutions.

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Graphite Shell & Tube Heat Exchangers - 2

Carbon is Future. SGL Group – The Carbon Company. Process Technology The Business Unit Process Technology is a premium technology provider for chemical and related industry process systems, equipment and after sales services. Our focus are high-tech materials for demanding chemical applications. With smart and sustainable solutions for an increasing number of industry we give proof of our strong innovation culture. Broad Base Carbon has unique properties. It is indispensable in the production of steel, aluminum and solar energy systems. Carbon increases the performance of wind turbines and...

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Graphite Shell & Tube Heat Exchangers - 3

SUSTAIN ABILITY. Powered by our Broad Base of competencies, products and services, we offer Best Solutions to our customers. For the Business Unit Process Technology, those solutions are characterized by reliability, Best Solutions ► Reliability In a business that strongly depends on reliability we never compromise on quality and safety. Our products deliver dependable results; our services are fast and competent. The long-standing loyalty of our customers proves that we keep our promises - on-time, on-spec, on-budget. ► Efficiency Tailor made, innovative solutions and an integrated...

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Graphite Shell & Tube Heat Exchangers - 4

DIABON® Shell and Tube Heat Exchangers at a Glance Advantages of our shell and tube heat exchangers in DIABON process equipment graphite Ǡ High efficiency Large heat exchange areas possible (over 2,000 m2) Price advantage for medium and large heat exchange areas High heat transfer capacity Abrasive wear protection minimizes erosion All seals are external for ease of inspection Excellent drainage of condensate in steam applications Complete drainage of product and service side Wide range of material combinations for shell and header (FRP, rubber-lined steel, enamel, steel/PTFE) On this...

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Graphite Shell & Tube Heat Exchangers - 5

Corrosion resistance The basic materials for our shell and tube heat exchangers, DIABON NS1 and DIABON NS2 process equipment graphite, are resistant to virtually all organic and inorganic media. For heat exchange between two corrosive media, we supply special designs on request with a suitable anti- corrosion lining or coating of the A maximum permissible material steel shell (rubber, PTFE, enamel, certified for DIABON NS1 and NS2 tubes by the South German O-ring seal Technical Supervisory Board Our long experience has shown (TÜV). Moreover, strength certifi- that O-ring seals offer...

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Graphite Shell & Tube Heat Exchangers - 6

Technical Information DIABON® Shell and Tube Heat Exchangers DIABON shell and tube heat exchangers are constructed from the following components: Ǡ Two tube sheets with or without carbon fiber reinforcement – one fixed and the other floating, relative to the shell Baffle cages with DIABON baffles Headers made from DIABON NS1/ NS2 graphite or other materials. Depending on the application, the header in contact with the floating tube sheet is braced against the tube sheet by a dual clamping tie rod system Shell made from steel, with anti-corrosion lining on request, or from other materials...

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Graphite Shell & Tube Heat Exchangers - 7

Options for Various Designs Top header with laterial nozzle and removable top cover Falling-film DIABON® header Cooled DIABON® header for high gas inlet temperatures Standard steel shell Steel shell with steam inlet distributor Steel shell with conical steam inlet nozzle Conical steel bottom header with corrosion-resistant lining Extended DIABON® bottom header for separating gases and liquids Steel shell with 360° steam distributor

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Graphite Shell & Tube Heat Exchangers - 8

Properties and Applications of DIABON® Graphite Brands Standard material for a wide Graphite material for superior range of applications in chemi- demands. This graphite brand is distinguished by its lower pore protection and similar industries. volume combined with reduced pore size and greater mechani- cess equipment graphite with a missible material temperature is highly homogeneous material structure. This results in excellent corrosion resistance and thermal stability. The maximum permissi- ble material temperature under heat exchanger tube sheets and tubes, if these are subjected to...

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Graphite Shell & Tube Heat Exchangers - 9

Carbon Fiber-Reinforced Components for Increased Safety In developing the carbon fiber reinforcement of components (DIABON HF), SGL Group has found a way to increase the operational reliability of DIABON graphite components appreciably and expand their range of application under high-stress conditions. The fiber reinforcement is used for tube sheets, headers and column sections and especially for tubes. Properties of graphite tubes with carbon fiber reinforcement Ǡ Carbon fiber-reinforced tube sheet Increased bursting pressure The tube becomes more resistant to steam hammer and service...

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Graphite Shell & Tube Heat Exchangers - 10

Multi-Tube Bundle Heat Exchangers made from DIABON® Process Equipment Graphite A new generation of heat exchangers Unlike conventional products, our DIABON multitube bundle heat exchangers feature an exchange surface area distributed over several identical small tube bundles instead of a single large bundle. Separate graphite tube bundles are incorporated in a shell made from carbon steel. One or more of these elements can be integrated in a frame of support plates. The tube bundles are sealed against DIABON® bundles of a multi-tube bundle heat exchanger both the steel flanges and headers...

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Graphite Shell & Tube Heat Exchangers - 11

DIABON® multi-tube bundle heat exchangers (2 bundles) Design ideally matched to graphite material – sliding seal to compensate for thermal expansion – minimal axial and radial movement Meets cGMP requirements (current Good Manufacturing Practices) – short tightening distances Automatic ventilation and emptying possible Identical and standardized assemblies Ǡ Long servicing intervals Practical sealing system with reliable O-rings and sealing cords in high-quality materials Maximum operational reliability Optional inspection glass allows (tube bundles, modules, headers, etc.) Ǡ process...

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Graphite Shell & Tube Heat Exchangers - 12

Multi-Tube Bundle Heat Exchangers made from DIABON® Process Equipment Graphite Another special advantage of this design is that it allows pure counter-current flow. Compared with standard equipment, the temperature differential can be used to full advantage. Moreover, the design can be individually adapted and optimized for each application. The resulting savings in heat exchange area can be as much as 40 %. DIABON® multi-tube bundle heat exchanger (5 bundles) The equipment design is optimized to allow an ideal inlet flow profile for the cylindrical tube sections. As a result, flow...

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