RC™ Series Reverse Buckling Rupture Disk

Gasketed, Holderless, Low Pressure Reverse Buckling Disk

RC™ Series Reverse Buckling Rupture Disk

Performance Features

  • Gasketed, Holderless, Low Pressure Reverse Buckling Disk
  • Provided with integral gaskets on both sides
  • Smooth process side rupture disk seal resists product accumulation
  • Suitable for operating pressure to 90% of the marked burst pressure (95% of the minimum burst pressure)
  • Vacuum resistant
  • Gas service (acceptable for liquid service with a compressible gas / vapor pocket between the liquid and disk)
  • Designed for non-fragmentation
  • Suitable for cycling service
  • Recommended for relief valve isolation
  • Available with ASME “UD” when installed with a safety head (model RCS)
  • Available with “CE” marking with burst pressures 0.5 bar and higher

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

Sizes & Pressures

RC™ Disk Specifications Minimum/Maximum Pressure with Rating at 72° (22°C)

Disk Size All Materials
in mm min max
psig barg psig barg
2 50 45 3.10 125 8.62
3 80 22 1.52 98.5 6.80
4 100 8.7 0.60 85 5.86
6 150 7.3 0.50 70 4.8
8 200 7.3 0.50 50 3.45
10 250 5.8 0.40 50 3.45
12 300 2.9 0.20 50 3.45
14 350 2.9 0.20 50 3.45
16 400 2.9 0.20 50 3.45
18 450 1.5 0.10 50 3.45
20 500 1.5 0.10 50 3.45
24 600 0.7 0.048 50 3.45
26 650 0.7 0.048 50 3.45
28 700 0.7 0.048 50 3.45
30 750 0.7 0.048 50 3.45
32 800 0.7 0.048 50 3.45
Note: Standard materials: 316 stainless steel, Inconel(Alloy 600), Hastelloy (Alloy C-276), Monel (Alloy 400), Nickel. Special material upon request. CE marking available for burst pressures 0.5bar and higher. Larger sizes available. Consult BS&B for details.

Burst Tolerance

Marked Burst Pressure Burst Tolerance
0.7 to 3 psig (0.05 to 0.21 barg) ± 0.5 psig (0.03 barg)
3 to 10 psig (0.21 to 0.69 barg) ± 0.1 psig (0.07 barg)
10 to 40 psig (0.69 to 2.76 barg) ± 2 psig (0.14 barg)
> 40 psig (2.76 barg) ± 5%

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.

Tell-Tale Assemblies & Excess Flow Valves/Gauges

A gauge tap in the outlet flange of the safety head may be considered when the safety head is installed in a vertical position.

Spare Safety Heads & Cap Screws

Jackscrews

When activated, the jackscrews effectively separate the flanges, providing adequate clearance to remove or insert a safety head and external gaskets.

Lifting Lug Eye Bolts

Eye bolts are recommended when weight and/or accessibility is a factor in lifting safety heads.

Baffle Plate

When a safety head is free-vented to atmosphere, a baffle plate may be considered to disperse overpressure and absorb recoil.

Product Literature

RC™ Series Reverse Buckling Rupture Disk

Installations

Overview

The RCV™ reverse buckling rupture disk is designed for low burst pressure applications where simple installation directly between companion flanges is preferred (Optional safety heads are available). Enhanced disk dome protection is provided with use of a BS&B safety head. Order as RCS™ disk. The RCS shares shares design characteristics with the RCV disk but is configured for use in BS&B safety head models.