Dukes Store / Dukes Dukes Directional Control Valves Dukes Directional Control Valves Featured Products Sold out Part Number List for ALL Dukes Directional Control Valves. For price and availability contact sales@qccorp.com or call 708-887-5400 Ext. 2. Part Number List for ALL Dukes Directional Control Valves. For price and availability contact sales@qccorp.com or call 708-887-5400 Ext. 2. $0.00