automatic valves for the monitoring and control of gas pressure and liquid flow, and couplings and connectors therefore; thermocouple scanners, pressure scanners, electronic servo motor calibrators; temperature and pressure measurement equipment, namely, gauges and recorders; thermal control units for automatic valves [ all under; servo pressure calibrators for machines ]

Automatic Valves for the Monitoring and Control of Air Pressure and Liquid Flow, and Couplings and Connectors Therefor