Fluid valve assembly, comprising: a valve housing, which delimits a housing interior, wherein the valve housing has at least two housing openings (105, 105-1, 105-2, 105-3, 105-4), which each fluidly connects the housing interior with an outer space of the fluid valve assembly, wherein the respective housing opening (105, 105-1, 105-2, 105-3, 105-4) is each delimited by an opening edge of the valve housing, a valve piston, which is arranged in the housing interior in a rotatable manner and configured to at least partially fluidly block or at least partially fluidly unblock the at least two housing openings (105, 105-1, 105-2, 105-3, 105-4) depending on a piston position of the valve piston, at least two sealing assemblies (117, 117-1, 117-2, 117-3, 117-4), wherein each one of the at least two sealing assemblies (117, 117-1, 117-2, 117-3, 117-4) is arranged in each one of the at least two housing openings (105, 105-1, 105-2, 105-3, 105-4), at least two housing connectors (123, 123-1, 123-2, 123-3, 123-4), wherein each one of the at least two housing connectors (123, 123-1, 123-2, 123-3, 123-4) is arranged at each one of the at least two housing openings (105, 105-1, 105-2, 105-3, 105-4) and is configured to fit at the respective sealing assembly (117, 117-1, 117-2, 117-3, 117-4), and a housing cover, which is fastened at the valve housing, wherein the housing cover has at least two cover sections (155, 155-1, 155-2, 155-3, 155-4), characterized in that each one of at least two cover sections (155, 155-1, 155-2, 155-3, 155-4) fits at each one of the at least two housing connectors (123, 123-1, 123-2, 123-3, 123-4), and is configured to apply a force to the respective housing connector (123, 123-1, 123-2, 123-3, 123-4) in order to press the respective housing connector (123, 123-1, 123-2, 123-3, 123-4) and the sealing assembly (117, 117-1, 117-2, 117-3, 117-4) fitted thereon against the valve piston and the respective opening edge of the valve housing in order to cause a fluid sealing between the valve piston and the respective opening edge of the valve housing. a valve housing, which delimits a housing interior, wherein the valve housing has at least two housing openings (105, 105-1, 105-2, 105-3, 105-4), which each fluidly connects the housing interior with an outer space of the fluid valve assembly, wherein the respective housing opening (105, 105-1, 105-2, 105-3, 105-4) is each delimited by an opening edge of the valve housing, a valve piston, which is arranged in the housing interior in a rotatable manner and configured to at least partially fluidly block or at least partially fluidly unblock the at least two housing openings (105, 105-1, 105-2, 105-3, 105-4) depending on a piston position of the valve piston, at least two sealing assemblies (117, 117-1, 117-2, 117-3, 117-4), wherein each one of the at least two sealing assemblies (117, 117-1, 117-2, 117-3, 117-4) is arranged in each one of the at least two housing openings (105, 105-1, 105-2, 105-3, 105-4), at least two housing connectors (123, 123-1, 123-2, 123-3, 123-4), wherein each one of the at least two housing connectors (123, 123-1, 123-2, 123-3, 123-4) is arranged at each one of the at least two housing openings (105, 105-1, 105-2, 105-3, 105-4) and is configured to fit at the respective sealing assembly (117, 117-1, 117-2, 117-3, 117-4), and a housing cover, which is fastened at the valve housing, wherein the housing cover has at least two cover sections (155, 155-1, 155-2, 155-3, 155-4), characterized in that each one of at least two cover sections (155, 155-1, 155-2, 155-3, 155-4) fits at each one of the at least two housing connectors (123, 123-1, 123-2, 123-3, 123-4), and is configured to apply a force to the respective housing connector (123, 123-1, 123-2, 123-3, 123-4) in order to press the respective housing connector (123, 123-1, 123-2, 123-3, 123-4) and the sealing assembly (117, 117-1, 117-2, 117-3, 117-4) fitted thereon against the valve piston and the respective opening edge of the valve housing in order to cause a fluid sealing between the valve piston and the respective opening edge of the valve housing.