ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
F04D0001040000 Helico-centrifugal pumps 1
F04D0001060000 Multi-stage pumps (F04D0001020000 takes precedence);; 1
F04D0001080000 the stages being situated concentrically 1
F04D0001100000 with means for changing the flow-path through the stages, e.g. series/parallel 1
F04D0001120000 Pumps with scoops or like paring members protruding in the fluid circulating in a bowl 1
F04D0001140000 Pumps raising fluids by centrifugal force within a conical rotary bowl with vertical axis 1
F04D0003000000 Axial-flow pumps (priming or boosting F04D0009000000; pumping liquids and elastic fluids at the same time F04D0031000000) 1
F04D0003020000 of screw type 1
F04D0005000000 Pumps with circumferential or transverse flow (pumping liquids and elastic fluids at the same time F04D0031000000) 1
F04D0007000000 Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts (pumping liquids and elastic fluids at the same time F04D0031000000) 1
F04D0007020000 of centrifugal type 1
F04D0007040000 the fluids being viscous or non-homogeneous 1
F04D0007060000 the fluids being hot or corrosive, e.g. liquid metal 1
F04D0007080000 the fluids being radioactive 1
F04D0009000000 Priming; Preventing vapour lock 1