Diaphragm seal with flange connection 402

for pressure gaugeschemical processfor oil

The Ashcroft® 402 and 403 flanged all-weld diaphragm seals protect pressure measuring instruments. Used to ensure process compatibility, they are also applied when process media exhibit high temperature, pulsation or the potential to clog an instrument connection. An ideal selection for applications requiring minimal potential leak paths. Key Features: Wide selection of diaphragm and lower housing materials All welded construction Flushing port (type 403) provides easy cleaning / flushing due to process media prone to clogging Applications: Process Market: Oil and Gas Refineries Chemical and Petrochemical Water and Wastewater Process Applications: Oil and Gas Fracking NACE Compliant Processes (Sour Gas Separation) Biogas and Biodiesel Specifications Flange Ratings (MAWP) Per ASME B16.5