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The DONADON replaceable “GR” graphite rupture disc is mounted on a graphite or metal holder.
This disc is versatile and suitable for numerous applications. It is available in metric measurements and in inches and can be inserted between relative flanges.
Graphite discs are very resistant to aggressive fluids, even at high temperature.
Bursting pressure has low sensitivity to temperature variations. GR disc is made of high purity graphite impregnated with phenolic resins in order to make the product non porous.
Opening is total but with fragmentation.
Vacuum support is required for rupture pressures below 1.7 barg.
At higher calibrations the disc is self-supporting.
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