A system for producing a flowing emulsion comprising a plurality of partitions comprising (i) an intake system comprising a first intake system conduit and a second intake system conduit to sequentially transport a plurality of separate samples or portions of samples comprising a dispersed phase from a series of sample containers; (ii) a process system comprising a first process system conduit and a second process system conduit, wherein the process system comprises a partitioner to generate a plurality of partitions of the dispersed phase in a continuous phase from each of the samples; and (iii) an injector positioned between the intake system and the process system, characterized in that the injector comprises a first common conduit and a second common conduit, wherein the injector may exist in (a) a first state wherein the first common conduit is in fluid communication with the first intake conduit and the second intake conduit of the intake system and the second common conduit is in fluid communication with the first process system conduit and the second process system conduit of the process system, or (b) a second state wherein the first common conduit is in fluid communication with the first process system conduit and the second process system conduit of the process system and the second common conduit is in fluid communication with the first intake conduit and the second intake conduit of the intake system; wherein surfaces of the injector that come into contact with dispersed phase comprise a fluoropolymer, wherein the system further comprises a source of cleaning fluid in fluid communication with the injector and a waste container, wherein the source of cleaning fluid is configured to backflush through the injector, out of the intake system, and into the waste container. (i) an intake system comprising a first intake system conduit and a second intake system conduit to sequentially transport a plurality of separate samples or portions of samples comprising a dispersed phase from a series of sample containers; (ii) a process system comprising a first process system conduit and a second process system conduit, wherein the process system comprises a partitioner to generate a plurality of partitions of the dispersed phase in a continuous phase from each of the samples; and (iii) an injector positioned between the intake system and the process system, characterized in that the injector comprises a first common conduit and a second common conduit, wherein the injector may exist in (a) a first state wherein the first common conduit is in fluid communication with the first intake conduit and the second intake conduit of the intake system and the second common conduit is in fluid communication with the first process system conduit and the second process system conduit of the process system, or (b) a second state wherein the first common conduit is in fluid communication with the first process system conduit and the second process system conduit of the process system and the second common conduit is in fluid communication with the first intake conduit and the second intake conduit of the intake system; wherein surfaces of the injector that come into contact with dispersed phase comprise a fluoropolymer, wherein the system further comprises a source of cleaning fluid in fluid communication with the injector and a waste container, wherein the source of cleaning fluid is configured to backflush through the injector, out of the intake system, and into the waste container. wherein the injector may exist in (a) a first state wherein the first common conduit is in fluid communication with the first intake conduit and the second intake conduit of the intake system and the second common conduit is in fluid communication with the first process system conduit and the second process system conduit of the process system, or (b) a second state wherein the first common conduit is in fluid communication with the first process system conduit and the second process system conduit of the process system and the second common conduit is in fluid communication with the first intake conduit and the second intake conduit of the intake system; wherein surfaces of the injector that come into contact with dispersed phase comprise a fluoropolymer, wherein the system further comprises a source of cleaning fluid in fluid communication with the injector and a waste container, wherein the source of cleaning fluid is configured to backflush through the injector, out of the intake system, and into the waste container.