Download Company Brochures• 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 availableRequest a Quote
Why choose Boiswood?
For your ZOOK RA4 REVERSE ACTING RUPTURE DISK
Quality Products & Service Levels
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.
Competitive Pricing Structures
Competitively priced products that we strive to keep consistent. We always ensure special pricing structures are considered.
Excellent Delivery Schedules
Attractive lead times that are monitored and managed, ensuring customers receive on-time deliveries. We can also ship our products internationally.
Ultra-Fast Response Times
Tired of chasing for answers? We pride ourselves on our unmatched response times. You can rely on us to provide extremely quick answers to technical and commercial queries.
Free Technical Support
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.
OEM & Custom Configurations
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.
Tailored Stocking Profiles
Need your products tomorrow? We’ve got you covered with our ever-growing stock profile and product portfolio. We can hold stock for you based on your consumption rates.
Servicing & Assembly Capabilities
Official and manufacturer certified in-house servicing, testing and assembly for our core products, including custom panels and subassemblies.
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