Bursting disc



A bursting disc that is securely held in the housing under high pressures using a suspension strut, opening once defined interior pressure exceeds and reclosing after after pressure equalization.

The B45GSXX is suited for a wall thickness of 3 mm and it is mounted from the front. The bursting disc has been tested in line with automotive specifications and it is suited for application areas requiring IP6kX and IPX7.

For IPx9k, a protective ring should be provided for the lip seal.


Safety element in exterior areas for lithium ion battery housing.

Standard version

  • Air volume flow in case of an event: > 160 l/s
  • Overall dimensions: Ø 62 x 18 mm
  • Opening pressure: > 50 mbar
  • Wall thickness: 3 ± 0.1 mm

Special version

  • other cracking pressure
  • other wall thicknesses upon request


Use Lithium ion batteries
Nominal dimension Ø 45 mm hole dimension
Mounting direction All directions
Mounting snap in
Material Glass fiber reinforced plastic
Other materials EPDM seal