Valley Technical Sales has being representing Instrumenation Manufacturers for many  years, we have expertise with a multitude of applications- See our Line Card below for details. For a complete listing of the manufacturers we represent download our INSTRUMENTATION pdf click download INSTRUMENTATION pdf Flow Metering Differential Pressure Flow Meters Click here to download VERABAR Literature In-House Assembly Service Pressure & Temperature Gauges Full Service Facility for assembly of Diaphragm Seals to all Pressure Devices.