Who We Are

Dunn's Valve Testers was started in March, 1978, as a DBA, and incorporated in October, 1980, Manufacturing Valve Testing Machines for the U.S. Navy, Valve Manufacturers, Rebuilders, Refineries, Chemical Plants, Nuclear Plants, and Service Companies.

What We Do

Dunn's Valve Testers has manufactured over 600 Valve Testers from 1/4" through 60" valves, with 50 PSI(Test Pressure) to 60,000 PSI, and applied up to 2240 Tons Sealing Force.

Most of the Valve Testers manufactured by Dunn's Valve Testers are custom made to the customer's specifications, even though Dunn's Valve Testers has 42 different standard models!  

 Dunn's Valve Testers Inc. 

 PO Box 489  

 Spring, Texas 77383 USA

 Phone: (281) 350-4767

 Fax: (281) 288-8720

 E-mail: dunnsvlv@flash.net

Please refer to the Customer Information page to get started!