Overmoulding aids heat-exchange reliability
A
Chemical Process Solutions product story
Edited by the Engineeringtalk editorial team
Mar 16, 2006
Calorplast's thermoplastic heat exchangers are manufactured using a novel overmoulding technique.
Calorplast's thermoplastic heat exchangers are manufactured using a novel overmoulding technique.
Typical processes used to mould the tubes into the plates are very unlikely to produce consistent quality joints.
Calorplast uses a process that achieves 100% sealing of the tubes to the plate, using melting under precisely controlled reproducible conditions.
Overmoulding is an injection moulding process where the tubes are inserted into a preheated mould, and then the melted polymer is injected over the melted tube ends, to form either a stable collector or a connector element.
With this method the raw material will melt completely under high temperature and pressure, joining together with the melt of the other material.
The solidified material has a completely homogeneous structure.
The Calorplast range includes immersion, shell and tube, tube-plate, flexible and gas-water heat exchangers in PVDF, PP, PE, and PFA (Teflon), available in the UK from Chemical Process Solutions.
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