The Eclipse 501231 1 Inch Butterfly Valve 4BV-ARB provides dependable flow control for HVAC and industrial gas piping systems. This butterfly valve is designed to regulate or isolate the flow of air, gas, or other compatible media by rotating an internal disc within the valve body. Its quarter-turn operation allows for smooth opening and closing, helping ensure accurate flow control a... https://www.partshnc.com/501231-eclipse-1-bfly-vlv-4bv-arb