Innovative service equipment for moving HAZMAT safely


Our primary goal is to improve the safety of industry workers and the environment while providing substantial returns on investment to our customers and investors worldwide.

Kelso is an innovator in the railway equipment supply industry in North America.  The company's focus is the design, engineering and sales of patented technologies.  A series of external pressure relief valves, eduction tubes and a revolutionary new manway design for rail tank cars and roadway tank trailers are product lines available from Kelso.  In development are patented valve models including a bottom outlet valve, vacuum relief valve and dual-rated pressure relief valve that address performance issues with current models in use on rail tank cars.  These innovative technologies are designed to reduce risk and improve reliability in the transport of hazardous commodities in North America.

Kelso's edge is new technology.  Our external pressure relief valve replaces current product designs that are over 50 years old; and the Kelso one-bolt manway replaces the old eye-bolt versions that are nearly 100 years old.


old eye-bolt manway                                         Kelso one-bolt manway


old eye-bolt manway  


Kelso one-bolt manway


"I can tell you that on the valves we have torn down and performed a qualification on, the parts were found to be in very good condition. I don’t believe we’ve had to replace anything other..."Paul Williams, Vice President, Victoria Mechanical Services in Victoria, Texas


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