Steam and boiler water samples are often extracted at temperatures exceeding 1000°F (538°C) and pressures over 3000 psi. A compliant SWAS system uses two-stage cooling:
A system designed under ASME PTC 19.11 guidelines typically feeds into continuous online analyzers to monitor: asme ptc 1911 pdf free download hot
: Detailed requirements for using "isokinetic sample nozzles" to ensure representative sampling of two-phase saturated steam. The American Society of Mechanical Engineers - ASME Important Safety and Compliance Note Steam and boiler water samples are often extracted
