BS & B Safety Systems, L.L.C.
BS&B - Model CSI -Reverse Buckling Rupture Disk
The CSI™ Reverse Buckling Rupture Disk by BS&B Safety Systems stands as a reliable solution for overpressure protection in both liquid and gas applications. Featuring a high-performance design, it offers precise rupture pressures that ensure safety and operational efficiency. With the ability to integrate seamlessly with the CSR-7RS™ safety head, the CSI™ disk provides a one-to-one damage safety ratio. Advanced sensor technologies such as Burst Alert Sensors (BAS+) and Leak Detector Alert Sensors (LDAS+) offer immediate notifications of disk ruptures or leaks, facilitating rapid response and minimizing downtime. The Saf-T-Change™ Quick Disk Replacement (QDR) system allows for quick and safe replacement of rupture disks, optimizing operational continuity and minimizing exposure risks to personnel. BS&B's global network ensures high-quality accessories and professional support for safe installation and maintenance. The company remains dedicated to advancing safety and efficiency in overpressure protection technologies.Most popular related searches
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- Designed for gas, liquid and multi-phase service
- Suitable for operating pressure to 90% of the marked burst pressure (95% of the minimum)
- Designed for non-fragmentation, recommended for Relief Valve isolation
- Damage safety ratio ≤ 1
- Reversal safety ratio ≤ 1
- Suitable for cycling service
- Vacuum resistant
- Available with ASME “UD” (select 0%, -5%, -10% Manufacturing Design Range)
- Pressure Equipment Directive “CE” marking and/or other International Certifications
- BS&B proprietary technology

Marked Burst Pressure: Burst Tolerance
≤ 40 psig (2.76 barg): ± 2 psig (0.138 barg)
> 40 psig (2.76 barg): ± 5%
