R-Square Engineers manufactures High Quality Quick Operation Butterfly Valve. R-Square Engineers is an ISO9001-2000 certified company. The other products offered are power plant accessories, flanges etc. High Quality Quick Operation Butterfly Valve is used to control the flow of material through a circular pipe or tube. High Quality Quick Operation Butterfly Valve consists of a circular disc with its pivot axis at right angles to the direction material is flowing. The key features of the High Quality Quick Operation Butterfly Valve are corrosion resistant, low maintenance and compactness.