Observation Door and Ports

Therma-Fab, Inc. has been a supplier of Cast Iron Observation Doors and Observation Ports for the Petrochemical Industry for over 10 years.  In the past few years, we have expanded our product line to include Glass Observation Door Assemblies.

Observation Door Assemblies are available in a variety of sizes including a full line of locking mechanisms and gaskets.  These doors are cast, machined, painted, and assembled in accordance with drawings and customer specifications; drawings can be supplied by customers or engineered through Therma-Fab, Inc.