American-Made Pneumatic and Electro-Pneumatic Valve Positioners Built to Last VRC has been a trusted name in the design and manufacturing of high-quality American-made valve positioners. Known for durability, precision, and long-term reliability, our products serve a wide range of industries and applications across the globe. With hundreds of thousands of units in service, many of our customers report trouble-free operation even after 10, 15, or 20 years—testament to the ruggedness and consistency of our engineering. At the heart of our product line are our pneumatic and electro-pneumatic valve positioners, designed to deliver accurate control in even the harshest industrial environments. Whether for general-purpose use or hazardous locations, VRC positioners are built to withstand demanding conditions while requiring little to no maintenance.