Systems and processes for pigging. The system can include an inline swivel, a toroidal swivel and a plurality of conduits, each conduit including a valve. A first conduit can be in communication with a supply conduit and the inline swivel. A second conduit can be in communication with the toroidal swivel and the first conduit. A third conduit can be in communication with the first conduit and a first return conduit. A fourth conduit can be in communication with the toroidal swivel and the third conduit. A fifth conduit can be in communication with the inline swivel and a discharge conduit. A sixth conduit can be in communication with the toroidal swivel and the fifth conduit. A seventh conduit can be in communication with the fifth conduit and a second return conduit. An eighth conduit can be in communication with the toroidal swivel and the seventh conduit.