Series 4HD/410 Series 4HD/410 Pressure Release Latches

Explosion venting latches maintain a positive seal to prevent loss of heat or escape of gas under normal conditions and provide venting in the event of an internal explosion.
Brixon manufactures Factory Mutual (FM) approved pressure release latches in cast steel and a variety of other materials for use on almost any type of door. Our safety latches come in the widest pressure range available and are easy to install and adjust using a screwdriver or Allen wrench.

Durable Cast Iron Safety Latches for Industrial Applications

Cast iron explosion venting latches are ideal for applications requiring a higher holding force or opening extremely heavy doors. Our latches are reusable and do not become damaged after venting. Install the safety latches individually or link multiple latches together for pressure release over 3,000 lbs. per door.
Typical applications for cast steel pressure release latches include:
  • Industrial Processing
  • Military
  • Industrial Coating

Cast Iron Pressure Release Latch Options

Series 4HD/410 cast iron safety latches provide 58 lbs.-285 lbs. of force and come with a larger pry bar-type handle for increased mechanical leverage. Choose from a standard powder coated finish or upgrade to polished chrome. Our chrome finish looks aesthetically pleasing and makes the latch surface easier to clean.
We offer the following cast iron pressure release latch options:
  • Latch Body & Handle
  • Plate Strike Only
  • Heavy-Duty Handle Only
  • Flat Plate Only

Request a Quote for Cast Iron Explosion Venting Latches

Cast iron pressure release latches from Brixon are highly durable for use in demanding applications. Select the latch option that meets your venting requirements to request a quote or contact us to discuss your unique application.


All price listings on our website are for US customers only. For European pricing, please contact: Cevac Limited | Tel: +44 (0)1403 786503 | Fax: +44 (0)1403 785422 |  Email