RLBP-S™ and RLBV-S™ Sanitary Reverse Rupture Disks

Higher Temperature Ultra Low Pressure Rupture Disk


Performance Features

  • Designed for gas service (acceptable for liquid service with a compressible gas/vapor pocket) Minimum 20 pipe diameter gas volume on process and vent side of disk
  • Suitable for operating pressure to 80% of the minimum burst pressure
  • Designed for non-fragmentation
  • Vacuum resistant
  • Back pressure resistance can be specified
  • Pressure Equipment Directive “CE” marking and/or other International Certifications


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  • Sizes & Pressures
  • Burst Tolerance
  • Safety Heads & Sensors
  • Accessories
  • Documentation

Sizes & Pressures

Fluoropolymer Seal Burst Pressure Range from 50°F to 150°F (10°C to 65°C)
Disk Size Burst Pressure
WC inches mbar
in mm min max min max
2  50 11 28 0.8 1.9
3 80 8 28 0.6 1.9
4 100 7 28 12.5 1.9
6 150 4 22 0.3 1.5
8 200 3 22 0.2 1.5
Available with other pressure/temperature combinations. Contact BS&B.
Chemfilm® DF2919 Seal Burst Pressure Range from 50°F to 400°F (10°C to 204°C)
Disk Size Burst Pressure
WC inches mbar
in mm min max min max
2  50 39 75 2.7 5.2
3 80 28 75 1.9 5.2
4 100 22 75 1.5 5.2
6 150 15 75 1.0 5.2
8 200 12 75 0.08 5.2
For some combinations of size, temperature and burst pressures: Temperature range is -100ºF to 350ºF (-73C to 176ºC). Chemfilm is a registered trademark of Saint-Gobain Performance Plastics Corporation.

Burst Tolerance

Burst Tolerance
Specified Burst Pressure Burst Tolerance
inch WG mbar
< 8 < 2.76 ± 1.5 in WG (3.8 mbar)
> 8 > 2.76 ± 20%

Accessories

BS&B supplies many of the Accessories required to safely and conveniently install our overpressure relief devices and complementary products. Through our professional team and global network of sales engineers and procurement personnel, we are able to provide the highest quality accessory products to meet your installation requirements.

Saf-T-Change Quick Disk Replacement (QDR)

After activation, the replacement disk is quickly slid into place. Saving hours of lost production due to blown rupture disks.

Spare Safety Heads & Cap Screws

Product Literature

Bio-Saf Series Rupture Disk Brochure
Burst Alert Sensors Brochure

Installations

Sanitary Alert Sensor Installation Instructions