bursting discs

The RA Series of rupture disks are complementary designs to cover the majority of rupture disk applications and are designed to be used in the RAH type holder

Features

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 24" (600mm)
Burst ratings from 3 psi (0.21 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 holder
3-dimensional stainless steel tag permanently engraved with complete disk specifications
ASME UD, CE, and TUV compliance available

Safety Relief Valve Protection

When a disk is mounted under a Relief Valve, the working components of the valve are isolated from hostile environments.

Option Liners
TFE liners are available to provide protection from corrosive media.
Note that the maximum temperature ratings for disks suppled with liners is lower than an unlined disk.

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