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INVERTEDGraphite Rupture Disk

The INVERTED Type Graphite Rupture Disk (bursting disk) is the best choice for higher burst ratings.

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ASME (UD) and PED (CE) compliance available

Features
Specifications
Installation
Datasheets & Brochures

The best choice for higher burst ratings
Available in nominal sizes 1/2” (15mm) thru 24” (600mm) diameters
Fail-Safe Design: If the disk is damaged or incorrectly installed, it will always burst at or below the marked burst rating
Designed to fit industry standard flanges ASME B16.5, ISO and JIS
Burst ratings 0.25 psig (0.02 barg) to 1,000 psig (68.95 barg) or higher
0% manufacturing range
Flat surface of the disk contacts the process media
Operating pressures to 90% of the disk’s marked burst pressure. Contact ZOOK for operating ratio for burst pressures below 40 psig (2.76 barg)
Temperature ratings –290°F to +700°F (–179°C to +371°C) Maximum temperature rating without insulation is 430°F (221°C) or 700°F (371°C) with insulation. Contact ZOOK for higher temperature ratings. The specified temperature shall be at the disk location at the time when the disk is expected to rupture
All flange group 2 disks are armored
Many standard Inverted disks in common sizes and pressure ratings are available for RAPID Delivery. Contact ZOOK for more information
Sizes in (mm) : 3”(80), 4”(100), 6”(150), 8”(200) to fit ASME B16.5 Class 150 flanges
Burst Pressures psig (barg): 125 (8.62) and 150 (10.34)
Note: RAPID Delivery Inverted disks are supplied with adhesive tags

Inverted Type Installation Guide
Inverted Type Installation Guide (Spanish)

Graphite Brochure
Inverted Datasheet
Large Disk Packaging

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