Valve arrangement and valve group

A valve arrangement comprising

• a housing arrangement,
• a first spool valve having a first spool and
• a second spool valve having a second spool,
• wherein the first spool valve and the second spool valve each comprise a supply channel arrangement having a pump channel and a tank channel, and a working port arrangement having two working ports, wherein the spools control flow paths between the supply channel arrangements and the working port arrangements, wherein the working port arrangement is arranged in a flange connected to the housing arrangement, wherein the flange is one of two types of flanges, wherein a first type of flange connects the first spool to one working port and to the supply channel arrangement and connects the second spool to the other working port and to the supply channel arrangement, wherein a second type of flange connects the first spool to both working ports and to the pump channel and connects the second spool to both working ports and to the tank channel, wherein the flange of the first type is replaceable with a flange of the second type and vice versa.