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Rupture Discs
Standard rupture discs are available from stock in burst
pressures as listed in the chart to the right. These discs are
316 stainless steel (except for 1000 psi which are inconel) and
may be used with any of the safety heads shown. Note that
these rupture discs are supplied with a range of plus 6% and
minus 3% of specified burst pressure. Samples of each batch
are then tested and typically the actual average burst pressure
is stamped on an accompanying metal tag. There is a +/- 5%
burst tolerance applied after the burst pressure has been
established. Factors influencing rupture disc life include
corrosion, metal fatigue, and cyclic effect. Periodic
replacement is recommended to prevent premature failure.
It is recommended that working pressure does not exceed
70% of burst rating for maximum life cycle of the disc.
SPECIAL DISCS are available on special order for pressure ranges not shown below and in numerous materials and coatings. Consult factory for price and delivery.
Standard Burst Pressures (in psi at 72°F)
