Forward Acting Metal Rupture Disc

Typ(en):

SZ-X / SZ-M / SZ-MV

Forward acting metal rupture disc are installed in a standard holder SHZ or in a pre-torqued holder SHZ Pro between flanges. They are especially suitable for securing medium to high working pressures.

Models

SZ-X

STRIKO – Forward Acting, X-shaped Pre-Scored

SZ-M

STRIKO – Forwar Acting, Multilayered

SZ-MV

STRIKO – Forwar Acting, Multilayered, Vacuum Supported

Design Examples

SZ-M

SZ-X

SZ-MV

SZ-M in holder SHZ

SZ-X in holder SHZ

Advantages in the application

fragment-free opening behaviour

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

high working ratio: up to 90%

“Fail-Safe” design – incorrect installation leads to bursting of the SZ-X at or underneath the actual burst pressure

also obtainable with a PTFE-liner

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

suitable for gasses, vapours and liquids

Specifications:

Materials

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

Nominal widths

DN 15 – DN 250

Burst pressures

from 0.02 bar (g) to 200 bar (g)

Working ratio

up to 90 %

Burst tolerance

min. +/- 5 %

Utilisation temperature range

-200 ℃ to +480 ℃

Bursting disk holder

SHZ and SHZ Pro

Vacuum support

optional

Burst indicator

optionally installed on discharge side

Installation before safety valve?

yes, since fragment-free opening

Individual solutions

There are a number of design options for the forward acting metal rupture disc. Whether vacuum resistant, with PTFE-liner or manufactured from special materials – just talk to our specialists. We are happy to advise you competently and comprehensively, in order to find the right solution for your application.