
ZOOK Reverse Acting Rupture Disk Supplier: Your Ultimate Solution for Safety and Reliability
As a trusted ZOOK Reverse Acting Rupture Disk Supplier, Fluid Tech is your go-to provider for unparalleled safety and control solutions in South Africa.
In the ever-evolving landscape of industrial safety, ensuring the integrity and reliability of pressure relief systems is paramount. One of the most critical components in these systems is the rupture disk. Among the various types of rupture disks available, the reverse acting rupture disk stands out due to its unique design and performance advantages. At Fluid Tech, we pride ourselves on being the leading ZOOK Reverse Acting Rupture Disk Supplier in South Africa, offering a comprehensive range of products that cater to diverse industrial needs.
Our partnership with ZOOK, a global leader in pressure relief technology, allows us to deliver rupture disks that not only meet but exceed industry standards. Whether you are in the petrochemical, pharmaceutical, or food and beverage industry, our reverse acting rupture disks provide the ultimate solution for your pressure relief requirements. Learn about the specifics of reverse acting rupture disks, their benefits, applications, and why Fluid Tech should be your preferred supplier.
In a fast-paced industrial realm where safety is paramount, Fluid Tech stands as your trusted ally and premier supplier of Zook rupture disks in South Africa. With our commitment to excellence and precision-engineered solutions, we empower industries to fortify their operations against overpressure events, ensuring unparalleled safety and peace of mind.
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Range of Zook Rupture Disks and related products supplied by Fluid Tech
Rupture Disks
RA4

- Solid metal design
- Ultra low pressure range
- Burst ratings from 2 psig (0.14 barg)
- to 40 psig (2.76 barg)
RA6

- Solid metal design
- Low pressure range
- Burst ratings from 12 psig (0.83 barg)
- to 200 psig (13.79 barg)
RA8

- Solid metal design
- Mid pressure range
- Burst ratings from 26 psig (1.79 barg)
- to 1000 psig (68.97 barg)
RAX

- Solid metal cross-scored design
- High pressure range
- Gas service only
- Burst ratings from 27 psig (1.86 barg)
- to 3705 psig (255.45 barg)
Features of ZOOK Reverse Acting Rupture Disks
- Designed for Non-fragmentation
- Operating ratios up to 95% of the low end of burst tolerance
- Disk design offers high cycle life
- Suitable for liquid, gas, or two-phase applications (RAX available for gas service only)
- Standard manufacturing design range and total tolerance 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)
- Unique alignment pin design ensures proper disk orientation into RAH Series disk holder
- 3-dimensional stainless steel tag permanently attached and engraved with complete disk specifications
- ASME UD, CE (PED), and TÜV compliance available
Benefits of Reverse Acting Rupture Disks
- Enhanced Durability: Reverse acting rupture disks are less prone to fatigue and can withstand higher operating pressures. This makes them ideal for applications involving frequent pressure fluctuations.
- Precision and Reliability: The inward buckling mechanism ensures a more precise and consistent rupture pressure, enhancing the overall reliability of the pressure relief system.
- Cost-Effective: With a longer lifespan and reduced need for frequent replacements, reverse acting rupture disks offer a cost-effective solution for maintaining safety in industrial operations.
- Versatility: These disks can be used in a wide range of industries, including chemical processing, oil and gas, pharmaceuticals, and food and beverage, making them a versatile choice for various applications.
Applications of Reverse Acting Rupture Disks
Reverse acting rupture disks are utilized in numerous industries to safeguard equipment and personnel from the dangers of overpressure. Common applications include:
- Chemical Processing: Protecting reactors, storage tanks, and pipelines from overpressure events.
- Oil and Gas: Ensuring the safety of drilling rigs, pipelines, and storage facilities.
- Pharmaceuticals: Maintaining the integrity of reactors and storage vessels used in the production of medicines and chemicals.
- Food and Beverage: Protecting processing equipment and storage tanks from pressure build-up during production processes.
Why Choose Fluid Tech as Your ZOOK Reverse Acting Rupture Disk Supplier?
At Fluid Tech, we are committed to providing our clients with the highest quality safety and control solutions. As the leading ZOOK Reverse Acting Rupture Disk Supplier in South Africa, we offer:
- Expertise and Experience: With years of experience in the industry, our team of experts is well-equipped to provide tailored solutions that meet your specific needs.
- Comprehensive Product Range: We offer a wide range of ZOOK reverse acting rupture disks and holders, ensuring that you can find the perfect fit for your application.
- Quality Assurance: All our products undergo rigorous testing and quality control processes to ensure they meet the highest industry standards.
- Exceptional Customer Service: We pride ourselves on our customer-centric approach, providing support and guidance throughout the selection, installation, and maintenance processes.
Need a Quote? Call us on 082 414 6756

Forward Acting Rupture Disk
ARD Series

D Series

Rupture Disk Holders
Rupture disk holders are essential components that ensure the proper installation and functioning of rupture disks. These holders are designed to securely mount the rupture disk within the pressure relief system, providing a tight seal and preventing leaks. At Fluid Tech, we offer a variety of rupture disk holders compatible with ZOOK reverse acting rupture disks, including:
- Pre-Torqued Holders: These holders come pre-assembled with the rupture disk, ensuring precise installation and reducing the risk of improper torque application.
- Vacuum Supports: Designed for applications involving vacuum conditions, these holders prevent the rupture disk from collapsing under vacuum pressure.
- Integral Burst Indicators: These holders are equipped with integrated burst indicators, providing immediate visual or electronic notification of a disk rupture.
When it comes to ensuring the safety and reliability of your pressure relief systems, choosing the right supplier is crucial. Fluid Tech, as the leading ZOOK Reverse Acting Rupture Disk Supplier in South Africa, is dedicated to providing top-notch products and exceptional service to meet your industrial safety needs. Our expertise, comprehensive product range, and commitment to quality make us the ideal partner for all your rupture disk requirements.
Contact Fluid Tech today to learn more about our ZOOK reverse acting rupture disks and how we can help you enhance the safety and efficiency of your operations. Trust the leading ZOOK Reverse Acting Rupture Disk Supplier to deliver the best solutions for your pressure relief challenges.
Frequently Asked Questions
What is a Reverse Acting Rupture Disk?
A reverse acting rupture disk is a type of pressure relief device designed to protect equipment from overpressure conditions. Unlike traditional rupture disks that burst outward, reverse acting rupture disks buckle inward when the pressure exceeds a predetermined limit. This design offers enhanced durability, precision, and cost-effectiveness.
Why Choose ZOOK Reverse Acting Rupture Disks?
ZOOK is a globally recognized leader in pressure relief technology. Their reverse acting rupture disks are known for their high quality, reliability, and performance. By choosing ZOOK rupture disks, you benefit from advanced engineering, rigorous testing, and a proven track record in various industrial applications.
How Do Rupture Disk Holders Work?
Rupture disk holders are devices used to mount rupture disks securely within a pressure relief system. They provide a tight seal, preventing leaks and ensuring the proper functioning of the rupture disk. Different types of holders, such as pre-torqued holders and vacuum supports, are available to suit various applications.
What Industries Use Reverse Acting Rupture Disks?
Reverse acting rupture disks are used in a wide range of industries, including chemical processing, oil and gas, pharmaceuticals, and food and beverage. They are essential for protecting equipment and personnel from the dangers of overpressure, ensuring safe and efficient operations.
Why Should I Choose Fluid Tech as My Supplier?
Fluid Tech is the leading ZOOK Reverse Acting Rupture Disk Supplier in South Africa. We offer extensive expertise, a comprehensive product range, and a commitment to quality and customer service. Our products undergo rigorous testing to meet the highest industry standards, and our team of experts is dedicated to providing tailored solutions to meet your specific needs.
How Can I Contact Fluid Tech?
You can contact Fluid Tech through our website or by calling our customer service team. We are always ready to assist you with your rupture disk requirements and provide expert guidance on selecting the right products for your application.
Choosing the right supplier for your pressure relief needs is crucial for maintaining the safety and efficiency of your operations. Trust Fluid Tech, the leading ZOOK Reverse Acting Rupture Disk Supplier in South Africa, to provide the best solutions for your industrial safety challenges.
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About Fluid Tech
Fluid Tech: Your leading supplier of instrumentation and control valves in South Africa. With a commitment to excellence, we offer a comprehensive range of top-tier products to meet the diverse needs of industries across the region. As authorised distributors, we proudly supply renowned brands such as Consolidated Valves, Masoneilan Valves, Fluid Tech Valves, and ZOOK Rupture Disks, ensuring the highest standards of quality and reliability.
In addition to representing industry giants, we also offer our own line of Fluid Tech Valves, meticulously engineered to deliver precision and performance in every application. With a focus on customer satisfaction and innovation, Fluid Tech is your trusted partner for all your valve needs in South Africa.
Need Vales, Valve Repairs / Reconditioning? Call us on 082 414 6756

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