FISHER P590 Filter Repair Parts P593-1 P594-1 Body Element Gaskets 1/4 NPT
Product Overview
The Fisher P590 series filter removes dirt and scale from gas just upstream of pilot supply lines on regulators. P590 series filters protect pilots from dirt and scale, extending regulator service life with minimal pressure drop.
Key Features
P593-1 aluminum body rated 600 psig / 41.4 bar with NACE option
P594-1 brass body rated 1400 psig / 96.5 bar
Cellulose element 1E312606992 removes particles larger than 40 microns
Compact 1/4 NPT connection with an 83 mm body length
Installs in any position upstream of the pilot supply line
Typical Applications
Pilot supply filtration on natural gas, LPG and plant air regulator installations where clean gas must reach the pilot and control line.
Selection Guide
Select P593-1 aluminum for standard duty up to 600 psig or P594-1 brass for pressures to 1400 psig. Keep spare elements on hand for routine pilot line maintenance.










