Graftel offers a variety of industrial products ranging from balanced multi hole venturi flow meters, heat exchanger performance monitoring systems to air/water leak rate testing products. All are proudly manufactured in USA, and assembled at our Chicago production facility.

*With over 30 years of experience in providing leak rates testing services, and specialty products Graftel is proud to announce a brand new product line designed for the aviation/aerospace industry. The Aircraft Leakage Testing System (ALTS) See more details HERE