The XDV Concentric Butterfly Valves is designed to maintain a seal against bi-directional pressure differential to prevent backflow in systems designed for unidirectional flow. it accomplishes this with a tightly fitting seal, i.e. gasket, O-ring, pr...
The XDV Concentric Butterfly Valves is designed to maintain a seal against bi-directional pressure differential to prevent backflow in systems designed for unidirectional flow. it accomplishes this with a tightly fitting seal, i.e. gasket, O-ring, pr...
The XDV Concentric Butterfly Valves is designed to maintain a seal against bi-directional pressure differential to prevent backflow in systems designed for unidirectional flow. it accomplishes this with a tightly fitting seal, i.e. gasket, O-ring, pr...