Durability - Value - Technology
Standing the Test of Time

we have the solution for your testing needs

Dunn’s Valve Testers (DVT) has been manufacturing valve test machines for over 40 years from our plant in Houston. Each machine is designed and built to the customer's needs and specifications based on our proven portfolio of valve tester solutions.

Three Principles Guide Everything We Do

DURABILITY

Simple for operators to use and easy to maintain
Long life with machines in operation for 30+ years
Proven reliability in all environments including harsh climates
Over 1000 machines operating around the world

VALUE

100% configured to meet budget & specifications
Increased testing throughput and operator safety
Made in the USA using only premium suppliers
Turnkey solutions allow your team to focus on the core business

TECHNOLOGY

Standard products and engineered to order solutions to meet any application
Broad industrial use across O&G, chemical, mining, utilities, nuclear, and military
Engineering support through the life of the machine