Graphite bursting disc
DN 15 - 300, ISO 4126, PED | GM series
Donadon SDD
Graphite discs are very resistant to aggressive fluids, even at high temperature.
Bursting pressure has low sensitivity to temperature variations. GM 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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