A spinning device comprising a support body (30a) capable of withstanding an operational pressure differential between an input pressure and output pressure and having an entry side (34) for exposure to the input pressure, and an exit side (3602) opposite the entry side; at least one opening (303a) provided in the support body and extending from the entry side to the exit side; at least one plug means (31a) fitting into the at least one opening and having at least one passage extending through the plug means; the at least one opening of the support body and the plug means being adapted to provide an intermatching function for retaining and sealingly holding the plug means in the body when the entry side of the support body is under the impact to the input pressure.
