Product Details


Bursting Disks & Sensors

Zook Disk

RA4 REVERSE ACTING RUPTURE DISKS

• Designed for Non-fragmentation

• Operating ratios up to 90% of the low end of burst tolerance

• Disk designs offer high cycle life (when compared to forward-acting design disks)

• Certified for liquid, gas, or two-phase applications

• Standard manufacturing ranges of 0%, -5%, and -10% ensures marked rating on disk tag does not exceed the MAWP of equipment

• Withstands full vacuum without vacuum support

• Wide range of standard and exotic materials available • Sizes from 1" (25mm) through 12" (300mm)

• Burst ratings from 2 psi (0.14 barg) to 40 psig (2.76 barg)

• Resists product build-up. The smooth convex side of the disk is exposed to the process media

• Unique alignment pin design ensures proper disk orientation into RAH holder

• 3-dimensional stainless steel tag permanently engraved with complete disk specifications

• ASME UD, CE, and TUV compliance available

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