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The Ashcroft® 500 and 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.
500 and 501 All-Welded Diaphragm Seals
Unit of Measure
1 

Item #

Item Name

Instrument Connection Type

Pressure Rating

Typical Added Tolerance (±)

Connection Style

500 N/A 500 Threaded All-Welded Diaphragm Seal N/A National Pipe Thread (NPT) Female N/A Up to 500 psi N/A 0.5 % N/A Threaded
501 N/A 501 Threaded All-Welded Diaphragm Seal with Flushing Port N/A National Pipe Thread (NPT) Female N/A Up to 500 psi N/A 0.5 % N/A Threaded with Flushing Port
Unit of Measure
1