NFE Machinery Co.,Ltd make the best quality 7bbl fermenters/fermentation tanks vessels with low price. Our fermenters have glycol cooling jacket on cylindrical and cone bottom, dome head, conical bottom with 60 degree, insulation, pressure vacuum relief valve PVRV 2bar,pressure gauge, sample valve, racking arm, CIP pipe with 360 degree spray ball, pickling acid passivated with less than 0.4um roughness,thermowell pt100,etc.We can make all volume tanks from 3bbl,5bbl,7bbl,10bbl,20bbl to 330bbl.