Model ZAP & KBA - Rupture Disc



Continental Disc Corporation's ZAP & KBA reverse acting rupture discs utilize knife blades to open the rupture discs as reversal occurs. The ZAP & KBA rupture discs have the media pressure acting on the convex side of the rupture disc, placing it in compression. When the burst pressure rating of the rupture disc is reached, the compression loading on the rupture disc causes it to reverse, snapping it through its neutral position and through the knife blades resulting in a full opening.

  • Nominal Size Range: 1 ' - 32 ' ( 25 mm - 800 mm )
  • Burst Pressure Range: 15 psig- 1000 psig ( 1,03 barg - 68,9 barg )
  • Recommended Operating Ratio: 90 % of the rupture disc's rated (stamped) burst pressure.
  • Seating Configuration: Flat Seat
  • Service: Gas
  • B.D.I. Alarm System Compatible? : Yes
  • ASME Code Symbol Stamp Available? : Yes
  • Materials not indicated or shown may be available by special design. Contact the factory for more information.

(B.D.I.) Burst Disc Indicator

Continental Disc Corporation's Burst Disc Indicator (B.D.I.) Alarm System is designed specifically for use with C.D.C. Rupture Discs. Upon disc rupture, the Burst Disc Indicator strip is severed, disrupting the flow of electric current through the strip. An attached alarm monitor can then transmit a warning and/or activate appropriate equipment.

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Enviroguard Pipe End Covers

Protect free vent rupture disc piping and safety relief valve outlets from unwanted foreign material, rain, insects or birds by installing the ENVIRO GUARD pipe end cover. It is available for 90° or 45° pipe ends and may be purchased with an optional retrieval rope to retain cover near the location after venting.

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Heat Shield

Heat Shields are typically used to reduce the process temperature to which a rupture disc is exposed. Heat Shields are used where Teflon or other exotic material liners are required for corrosion resistance or as part of the rupture disc itself in combination with high process temperature.

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