Ashcroft, Inc. - 500 and 501 All-Welded Diaphragm Seals

Unit of Measure

Items	500 500 Threaded All-Welded Diaphragm Seal	501 501 Threaded All-Welded Diaphragm Seal with Flushing Port
Description	N/A The Ashcroft® 500 all-welded 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.	N/A The Ashcroft® 501 all-welded 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.
Brands	N/A Ashcroft®
Process Connection Size (National Pipe Thread (NPT) Male)	N/A 1/4 to 1 in
Process Connection Size (National Pipe Thread (NPT) Female)	N/A 1/4 to 1-1/2 in
Instrument Connection Size	N/A 1/2 in1/4 in
Instrument Connection Type	N/A National Pipe Thread (NPT) Female
Pressure Rating	N/A Up to 500 psi
Typical Added Tolerance (±)	N/A 0.5 %
Connection Style	N/A Threaded	N/A Threaded with Flushing Port
Key Features	N/A Recommended where clamped joints are not acceptable All-welded construction; prevents inadvertent disassembly All-stainless steel construction; other materials available	N/A Recommended where clamped joints are not acceptable All-welded construction; prevents inadvertent disassembly All-stainless steel construction; other materials available Flush port provides easy cleaning/flushing for process media prone to clogging
Applications	N/A 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