Durability Value Technology Since 1978
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

PRODUCTS

SAFETY RELIEF VALVE TESTER

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FLANGE TESTER

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CONTROL VALVE TESTER

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ROLL FRAME TESTER

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HORIZONTAL PRESS TESTER

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VERTICAL PRESS TESTER

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BUTTERFLY VALVE TESTER

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DATA ACQUISITION SYSTEM

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Services

ENGINEERING SERVICES

Engineering

SPARE PARTS

Spares

REPAIR & REFURBISHMENt

Refurbishment

MAINTENANCE PROGRAMS

Maintenance

RENTAL AND LEASE

Rental

News and Events

Valve World Americas Expo and Conference