Half-pipe coil jacketed red wine fermenters from 10 HL to 10 KL, built in AISI 304 or 316L with Ra 0.8 µm interior finish, 80–100 mm insulation and a 0.3 MPa jacket tested at 0.6 MPa. Configured for cold soak, maceration and pomace removal, with must hatch, racking port, sample valve, CIP spray ball and thermowell.