The Water Spiral Chiller offers poultry slaughtering plants the possibility of cooling down the eviscerated chickens continuously and in a time-saving manner to the core temperatures required. screw chiller on the drive side of the screw chiller, the birds are fed into the tub, filled with chilled water. A screw with adjustable speed transports the birds gently through the water bath. By constantly blowing air into the bottom area, good mixing of the water and even cooling of the birds is ensured. The cooling water temperature is kept at the required level by means of cooling media to be provided at sites, such as ice or cold water.