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Well known and significant companies from the petrochemistry are regular customers of ours.
High temperature, high pressure und many cycles of the valve combined with aggressive medium determine the design of the needed valves.
For this kind of application Hartmann uses special materials like Inconel, Monel, Hastelloy, Duplex and Super-duplex.
To cool down or to heat up the medium Hartmann uses jacketed valves. | 
