There are no metals in the fluid path of Blue-White Industries’ F-461 Series in-line variable-area flowmeters, making these units well-suited for use in many ultrapure applications. Constructed of tough, chemical-resistant polysulfone, they offer better resistance to high temperatures, pressures and a broad base of harsh chemicals than many plastic flowmeters. Their high-capacity utilizes precisely engineered ridges molded into the meter body, which guide PTFE floats. Calibration range is one to 35 gpm (four to 130 L/pm) and permanent direct reading scales are easy to read. Full-scale accuracy is +/-2.5 percent. The units feature one-inch (2.54-cm) F/NPT fittings with FKM O-rings and half union adapter connections. Socket fusion fittings are available. Maximum fluid temperature is 210°F (98.8°C) at zero psi with PVDF adapters and 130°F (54.4°C) with PVC adapters. Maximum working pressure is 150 psig/10.3 bar at 70°F/21°C. An optional splash shield is available.
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