Manuals Brands Graco Fittings and Adaptors Graco Fittings and Adaptors Manuals ProdManuals has more than 5 Graco Fittings and Adaptors manual(s) covering 5 model(s). 3 Models Document Type 3 307068U - Low-Pressure Ball Valves 307628S Low-Pressure Ball Valves 306861ZAC - Ball Valves Check Valves and Swivels 306708H Lube Equipment Couplers Adapters Nozzels and Z-Swivels 307005E - High Pressure Swivels