close up high precision industrial pressure gauge for water heater steam boiler temperature system and tube or piping outside drum

accuracy boil boiler burn chamber circulate close combustion condensed control cylinder display drum drying energy engine engineering equipment fabrication fluid fuel furnace gas gauge generate generation heat heater high hot indicator industrial industry innovation insulation machinery manufacture measurement metallic outside pipe piping power precision pressure quality safety stainless steam supply system technology temperature thermometer transfer tube vaporized vessel water