Dwyer Instruments”Series PVF & CPF flowmeters are heavy-bodied meters for corrosiveand high-purity fluids. They are economically priced for acids,caustics, and deionized water, making them a good fit for water andwastewater treatment facilities. The flowmeters are comprised of allplastic wetted components for maximum corrosion resistance. They have afull-scale accuracy of +/-2 percent and can be disassembled without themeter being removed from the pipeline. Series PVF flowmeters areconstructed of all PVC and Series CPF flowmeters (pictured here) areconstructed of all CPVC. Available with standard 3/4″, 1.5-inch,three-inch, and four-inch female NPT connections. Optional flangeconnections are also available.