P Series Rupture Disc

P Series Rupture Disc

Conventional, Pre-Bulged, Forward-Acting

The economical P Series of Fike rupture discs are designed for ruggedness and ease of installation. The CPV rupture disc is a three-member disc that consists of a retainer ring, a rupture disc and a vacuum support – spot welded together to make a sturdy, closely fitted unit. The CPV-C version includes a full cover to protect the disc from downstream dirt or rust.

  • Designed for installation in flanges which utilize the standard 30° seating
  • Available in a wide range of corrosion resistant materials, optionally with protective coatings/linings
  • 70% (US) / 75% (EU)Operating Ratio
  • Gas or liquid service
  • Full vacuum rating (CPV and CPV-C)

 

Design Prebulged, Forward-Acting
Size Range 0.5 in to 44 in DN15 to DN1100
Burst Pressure Range 1.5 psig to 11,000 psig 0.10 barg to 758.42 barg
Burst Pressure Tolerance ± 1 psig for burst pressures < 5 psig
± 1.5 psig for burst pressures > 5 psig and < 14.99 psig
± 2 psig for burst pressures > 14 psig and < 40 psig
±5% for burst pressures > 40psig
± 0.15 barg for burst pressures ≤ 1.5 barg
stand. ± 10% / red. ± 0.15 barg for burst pressures > 1.5 barg and < 2.76 barg
stand. ± 10% / red. ± 5% for burst pressures ≥ 2.76 barg
Materials Aluminum, 316 SST, Nickel 200, Monel® 400, Inconel® 600 and Silver

 

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