HIQUAD

Vacuum measuring and testing apparatus, namely, vacuum gauges and structural parts therefor; electric and electronic apparatus and devices for process control, namely, pressure controllers for controlling the pressure of liquid, semi-liquid, and gaseous substances in industrial processes; leak detection apparatus for identifying leaks in air-tight containers, chambers and vessels; residual gas analyzers; gas flow controllers

Gas regulators; regulating accessories for gas apparatus; regulating accessories for gas pipes and lines