FS-4 series low-cost, injection flow switch structure Flow setting: 0.1GPM ~ 1.5GPM Interface: 9/16 "-18 UNF main structure: Ryton? Setting Type: Fixed FS-4 series switches welding equipment, lubrication oil systems, medical sterilization equipment and washing pharmaceutical distribution and other industrial applications provide economical flow protection. performance parameters Wetted (housing and piston): Ryton? R4 316 stainless steel spring O-ring Viton? another part of media contacts Epoxy Operating Pressure 250 PSIG @ 70oF (21oC) Operating temperature 0oF to 225oF (-17oC ~ +107 oC) Set point accuracy ± 15% Max 20% Max set point deviation switch * SPST or SPDT, 20VA (SPDT: 240VAC max) Interface 9/16 "-18UMF-2B threaded electrical connection SPST 18AWG, Zipcord, 24" long SPDT 18AWG, PVC, 24 "long * Available polysulfone housing and connectors