Chemical Equipment Division
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    Graphite Heat Exchangers     Graphite Rupture Discs
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 -Polybloc®
- Polybloc II®
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Graphite Heat Exchangers

POLYBLOC® IMPERVIOUS GRAPHITE HEAT EXCHANGERS : THE EFFICIENT HEAT EXCHANGER

Use the POLYBLOC® Graphite Heat Exchanger wherever corrosive fluids or gases must be handled :
  • HEATING - Corrosive fluids with steam, gases or hot fluids.
  • COOLING - Corrosive fluids with cold water, brine or other fluids.
  • CONDENSING - Vapors, gases - straight or reflux.
  • EVAPORATING - Boiling liquids in evaporation or distillation plants, etc.
  • REACTION - Including hydrolysis, polymerization or condensation reactions, where heat must be removed or supplied rapidly, during the reaction.
 + POLYBLOC® FEATURES
  • ASME Construction and Stamp Available
  • High Pressure Design
  • Radial Multipassing
  • Axial Multipassing
  • Four Available Impregnations
  • Large Diameter Process Holes Available

+ CORROSION RESISTANCE

Corrosive fluids contact only the impervious graphite blocks having complete resistance to all acids, alkalis and solvents with the exception of a few strong oxidizing agents. The POLYBLOC® steel shell can be lined with suitable material or furnished in alloy materials to resist practically all corrosives, thereby allowing handling of two corrosive fluids

+ HIGHEST EFFICIENCY

Ultra short passages, creating great turbulent flow, limit film and scale formation and give maximum heat transfer. Proper graphite particle orientation insures maximum heat conductivity.

+ COMPACTNESS

Identical blocks are stacked in compression, providing a compact unit having high heat exchange area for weight and volumn.

+ RUGGED CONSTRUCTION

High strength graphite blocks, held in compression by top and bottom plates and exterior tie rods, provide great strength and ruggedness. There are no fragile tubes and no cemented joints. Teflon seals between the blocks prevent contact between the fluids.

+ VERSATILITY

Heat exchange area can be easily increased by the simple addition of standard blocks. The segmental shell requires the addition of another segment while the single shell may be cut and rewelded with an additional piece.

+ LOW MAINTENANCE

There is no danger of breakage in any part of the POLYBLOC®. Headers and shell are easily removed for the addition of heat exchange area or for cleaning, if necessary.

+ EASILY INSTALLED

Units may be installed in series, series parallel, or parallel combinations. The units may be suspended from the bolt holes provided, by a framework or any floor structure.

+ ECONOMY

Due to standard interchangeable parts and high efficiency, the POLYBLOC® is the lowest cost for heat exchange accomplished.