VACTRON Vacuum Drying Ovens

VACTRON vacuum drying ovens can be stand-alone, or readily incorporated into any cleaning or process line, where drying is necessary.

The Montreal Protocol established the desirability of a world wide reduction in the use of halogenated hydrocarbon solvents, and a continuing concern about the use of all volatile organic compounds (VOC's). These are implicated in the depletion of the Ozone Layer and have been connected to other Health and Safety issues.

A reappraisal of various aqueous cleaning methods has resulted, particularly with relevance to preparation for penetrant testing. Water is the most commonly encountered surface contaminant which interferes with the penetrant processes. Drying work pieces by heating them to 120°C for at least 60 minutes at ambient pressure, as one penetrant test specification requires, plus the cooling time needed to bring the test piece down to 40°C before the penetrant is applied, indicates how long the whole process can take.

However, the drying time can be as little as 10 minutes at a temperature of 40°C in a VACTRON vacuum drying oven, which leaves work pieces ideally prepared for penetrant application without delay.