RALPH COIDAN LIMITED
CARBON & GRAPHITE ENGINEERS
Telephone +44(0)1642 790100   Facsimile +44(0)1642 790488   email coidan@carbonelorraine.com
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HIGH TEMPERATURE DIVISION

Carbon and Graphite Machinists.

Carbon and graphite are ideal materials for high temperature applications, they can be heated to over 2500°C without melting or softening, however, a reducing atmosphere should be used above 450°C to prevent oxidisation.

EQUIPMENT DIVISION

Serving The Chemical Industry.

Ralph Coidan Ltd. - Equipment division is the leading supplier of Heat Exchangers in the UK. We supply the worldwide chemical industry with our products be it a 25mm NB Bursting Disc or a 6m long Tube-in-Shell Heat Exchanger.

Past customers include ICI, Kvaerner, Vinnolit, Zeneca, Du Pont, and the list continues....

COMETEC

Cometec specialise in the fabrication of tantalum equipment, which is used in the chemical and pharmaceutical industries for it’s exceptional corrosion resistance towards a large range of aggressive chemicals at high temperatures and pressures. Cometec has developed a worldwide reputation as the premiere supplier of the following tantalum equipment;

  • Heat exchangers (shell and tube, bayonet heaters, heating coils)
  • Pipes and accessories (valves, bellows, solid pipe, pipe linings)
  • Vessels and accessories (tanks, column linings, agitators, repair parts for glass lined vessels)
  • Accessories for reactors (autoclaves, support grids, distributors, rings and other internals)
  • Other components such as temperature sensors, earthing rings, protector tubes, electrodes and radar antennas.