DG Valve Systems Inc. manufactures and supplies premium-quality valves and valve automation products at competitive prices. The types of valves they offer include ball valves, multi-port valves, metal-seated ball valves, butterfly valves, knife gate valves, and gate globe and check valves. These products include self-contained hydraulic actuators, pneumatic actuators, electric actuators, and automation accessories, such as limit switches, solenoids, positioners, and manual gears and overrides. DG Valve Systems can also offer in-house manufactured products, such as a pipeline pig trapper. This hands-on company is responsive, competitive and service-orientated for serving the needs of their customers. Their office, warehouse and machine shop are located in Edmonton.