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HPX Rupture Disc Product Family
·Rupture Discs

HPX Rupture Disc Product Family

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HPX™ and SANITRX® HPX rupture discs from Continental Disc Corporation are high-precision pressure relieving devices designed to protect personnel, equipment, and the environment. Semicircular-scored reverse-acting design with a non-fragmenting, bubble-tight seal — available in a wide range of sizes, materials, and burst pressures. Design-tested for 250,000 cycles from full vacuum to 95% of burst rating.

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Key Benefits
  • 01Operating ratio up to 95% of burst pressure for greater process headroom
  • 02250,000-cycle durability tested from full vacuum to 95% of burst rating
  • 03Safety ratio 1:1 or less — a damaged disc still relieves at or below burst pressure
  • 04Non-fragmenting reverse-acting design with bubble-tight seal
  • 05Suitable for both compressible (gas/vapor) and incompressible (liquid) relief scenarios
Technical Features
  • 01HPX sizes: 1" through 8" (25–200 mm); SANITRX HPX sizes: 1" through 3"
  • 02Disc materials: 316/316L Stainless Steel, Nickel, MONEL®, INCONEL®, HASTELLOY® C
  • 03Burst pressures: 10 psig to 1000 psig (0.689 barg to 68.9 barg) at 72 °F
  • 04Manufacturing ranges: Zero, -5%, and -10%
  • 05Operating ratio: choice of 90% or 95%
  • 06Pressure-to-vacuum cycling capability
  • 07Holder materials: Carbon Steel, 316 SS, MONEL®, HASTELLOY® C
  • 08Tantalum and TEFLON® coatings available for extra corrosion protection
  • 09Optional TEFLON® liner and outlet protective cover
  • 10Pre-torqued holder design option
  • 11ASME, DIN, and JIS bolting classes
  • 12Maximum recommended service temperatures: Nickel/MONEL 800 °F, 316 SS/HASTELLOY C 900 °F, INCONEL 1000 °F
  • 13Can be cleaned for Oxygen or Chlorine service
  • 14Designed for bolted flange or sanitary clamped installations
  • 15Approvals: ASME Section VIII and III, ASME BPE, PED 97/23/EC, ISO 4126-2, SQL China, GOST, KOSHA, 3-A (SANITRX only)
  • 16ASME Code Symbol Stamp and CE Pressure Equipment Directive marks available when specified
Applications
  • Chemical: reactors, heat exchangers, chillers, relief-valve isolation
  • Oil & Gas: distillation columns, separators, coking drums
  • Pharmaceutical and biotech: production, blending, and milling vessels
  • Industrial gas: process columns and vessels, storage and transportation tanks and trailers
  • Food and beverage processing (SANITRX HPX sanitary installations)
  • Pulp and paper, power generation
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