Series FC
PVC Flow Control valve, [1/4" through 3"] NPT threads, is to be of the in-line pattern and employ an EPDM molded diaphragm in conjunction with a precision machined orifice plate to provide for accurate flow control of [1/4 GPM thru 120GPM]. The valve is to have an accuracy of 15% at the required minimum delta P of 15 PSI. All units are to be 100% individually tested at the factory. As manufactured by Plast-O-Matic Valves, Inc., Cedar Grove, NJ.