Welcome to CalderTesters.com

Calder Testers, an industry leader in the design and manufacturing of hydrostatic testing and pneumatic testing systems, is excited to introduce new innovative products and services to compliment our regular product line in order to better serve your valve testing needs of today and the future!

Since 1984 Calder Testers has been a leader in supplying hydrostatic testing and pneumatic testing systems to the petrochemical, refining, oil & gas, nuclear, governments, and related industries. We have always offered the latest in state of the art equipment available. We are proud of our reputation in the industry and the customers we have served. While we continue to design and manufacture new models and series of valve testing systems, our standard units have stood the test of time over and over again. We are proud to manufacture and design the most innovative technologies available in the field of valve testing today.

With exciting industry leading products like our full line of valve testing systems, which cover Flanged Valve Testing Systems, Control Valve Testing Systems, Butterfly Valve Testing Systems, Data Acquisition Systems, Roll Frame Testers, Water Capture / Muffler Systems, Safety Relief Valve Testing Systems and more, we are offering our services to work alongside your company to solve your testing problems with the latest product designs and systems on the market today.

I hope you enjoy our new website and I look forward to doing business with you in the future.

John Emmitte
President
Calder Testers, Inc.
We don't just meet your needs, we exceed them.