RA4 REVERSE ACTING RUPTURE DISKS

Reverse Acting Bursting Disks

Manufacturer

Zook Disk

• 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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Why choose Boiswood

for your RA4 REVERSE ACTING RUPTURE DISKS

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World-class quality products backed by unrivalled service levels. We only partner with the best manufacturers in industry. You can trust in our 35+ years of experience.

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Competitively priced products that we strive to keep consistent. We always ensure special pricing structures are considered.

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Attractive lead times that are monitored and managed, ensuring customers receive on-time deliveries. We can also ship our products internationally.

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On-going support for our customers to meet any evolving technical requirements. We can help size and specify solutions for even the most bespoke applications.

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We sit alongside design teams to specify the right solution for your application, no matter how demanding. Whether it’s out-of-the-box or a custom design, we are up for the challenge.

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