Reverse Acting Metal rupture disc

Serie(n): SU

Typ(en): SU-R / SU-C

STRIKO reverse acting metal rupture discs are installed in a standard holder SHU or in a pre-torqued holder SHU Pro between flanges. They are especially suitable for securing pulsating working pressures of medium to high strength.

Models

SU-R

STRIKO – Reverse Acting, Shear Ring

SU-C

STRIKO – Reverse Acting, C-Shaped Pre Scored

Design Examples

SU-C

SU-R

SU-C in holder SHU

SU-R in pre-torqued holder SHU Pro

Advantages in the application

fragment-free opening behaviour

ideal as single pressure relief unit or used in combination with safety valve

Vacuum resistant

optimum working ratio: 90%

counter pressures up to min 1.4 times of the burst pressure are possible

testing safety valves without time consuming removal

high pressure change resistance

equipped with a 3D name-plate for safe detection of correct direction of installation as a standard

ideal for securing media that tend to “cake”

Specifications:

Materials

Stainless steels, Inconel, nickel, special materials such as hastelloy

Nominal widths

DN 25 – DN 250

Burst pressures

from 0.3 bar (g) to 70 bar (g)

Working ratio

90 %

Burst tolerance

min. +/- 5 %

Utilisation temperature range

-200 ℃ to +480 ℃

Bursting disk holder

SHU and SHU Pro

Vacuum support

not necessary

Burst indicator

optionally installed on discharge side

Installation before safety valve?

yes

Accessories - Alarm transmitter

SVT 02

Burst Indicatior for breakage of rupture disc / opening of safety valve

SVT 05

Leakage sensor (activates already for the smallest leaks)

SVT AM

Full metal alarm for rupture disc monitoring (for high temperatures up to +600 ℃ and at aggressive media)

SVT AM-L

Alarm for rupture disc/breakage monitoring (use for lowest burst pressures, from 10 mbar (g))

Individual solutions

The are a number of configuration options among our STRIKO reverse acting metal rupture discs. Whether with integrated burst indicatio, in standard materials or special materials – just talk to our specialists. We are happy to advise you competently and comprehensively!