RUPTURE DISK THIS IS A THIN DISK OF STEEL USED AS A SAFETY DEVICE. THEY ARE MOUNTED BY MEANS OF A SPECIAL CARRIER ON PIPE SYSTEMS OR PRESSURE VESSELS AND BURST AT A SPECIFIC PRESSURE. THEY ARE AVAILABLE IN A RANGE OF DIAMETERS FROM 25-200MM AND BURST PRESSURE FROM 2-34 BAR

GENERAL RULES 1 AND 6 FOR THE INTERPRETATION OF THE COMBINED NOMENCLATURE. THE TEXT TO TARIC CODES 7326, 7326 90, 7326 90 98 AND 7326 90 98 90. THE HARMONISED SYSTEM EXPLANTOERY NOTES TO HEADING 7326.