Pressure Relief Port

Industrial pressure relief port ensuring safe operation of machinery.



Prevent failure of ducting or equipment due to flooding


Door Size:
12.00″ x 16.00″ and 18.00″ x 24.00″
Attaching Duct Size:
Customer Specified

Pressure Ratings

Pressure Rating:
15inWC to 50inWC

Up to 6,000fpm


The housing for an easily removable gasketted cover with a hinge is welded to the duct or equipment. It maintains a watertight seal unless the duct or vessel becomes flooded with water, which then it will open to spill the water. 

Larger sizes and higher pressure ratings are available upon request.
3D model files and installation drawings are available upon order. See data sheet for ordering details.