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Rupture Discs/Relieve Valves

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Modified on Monday, 02 February 2015 01:18 PM by mpieler Categorized as Extrusion Hints
Rupture Discs/Relieve Valves


Relief valves are an important component for preventing excessive pressure build-up in an extruder. If the valve stem is too long, however, polymer may freeze-off, preventing the valve from functioning properly. At DuPont, we cut off the stem just beyond the barrel, leaving just enough to get a wrench on it for removal.

- Barry Morris, DuPont

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