F-461 Polysulfone Flow Meter F-461 Series Polysulfone Flow Meters feature precisely engineered float guide ribs, eliminating metals in the fluid path, and are ideal for corrosive environments such as deionized water or other applications where an all plastic meter is desirable. The float is constructed of PTFE and optional PVC or PVDF adapters are available for corrosive applications. Technical Overview: GPM 1 - 35 LPM 4 - 130 PSI 150 Bar 10.3 Fahrenheit (°F) 210 Celsius (°C) 98 Body Material Polysulfone Pipe Sizes 1″ female NPT fittings