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