← Back to manufacturers / UNP Polyvalves UNP Polyvalves India UNP Polyvalves manufactures PFA/FEP/PTFE lined and plastic valves, including lined Ball valves, plug valves, and diaphragm valves. Website https://www.polyvalve.com Visit website Valve types (categories) Ball valves Butterfly valves Control valves Diaphragm valves Fluoropolymer lined valves Plastic valves Plug valves Thermoplastic valves