Zimmermann & Jansen 

4525 Kennedy Commerce Dr
Houston, TX 77032

P.O. Box 3365
Humble, TX 77347




Zimmermann & Jansen, Inc. is a specialty high temperature, severe service, custom designed valve company with a long history of supplying valves to the Integrated Steel Mills, Petroleum Refineries and Chemical Industry. 

We have a complete, modern manufacturing facility in the Houston, Texas area where all design, procurement, fabrication, machining, assembly and testing are accomplished.  We are certified as ISO-9001-2008 and have an ASME Code, Section VIII, U Stamp.

Some of the Valves that Zimmermann and Jansen manufactures are as follows:

Steel Mills: 
Hot Blast Valves
Goggle/Isolation Valves
Two and Three Lever Butterfly Valves
Many other specialty valves

FCCU Slide Valves
FCCU Diverter Valves
High Temperature Butterfly Valves
Isolation Valves and others

Ethylene Transfer Line and Decoke Valves
TIP-ISOM High Cycle Valves
MTBE- WWW Gate Valves

Please contact us for any of your high temperature, severe service and large diameter valves or to receive additional information.


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