THE MEASURABLE DIFFERENCE

automatic fluid measuring, sensing and control devices; namely, fluid couplings, pressure sensitive valves, flow responsive valves, flow indicators, gauges and switches; fluid pressure sensing indicators; namely, differential pressure indicators, pressure sensitive switches; temperature sensing and control elements; namely, thermocouples, thermocouple assemblies, and thermowells; test equipment; namely, bubble point test instruments, pore size determinators, silting index determinators, and filter and ultrasonic testers