Used 10 Cubic Feet 316 Sanitary Stainless Steel Jacketed Nauta Mixer, Mfg. by Charles Ross & Sons, Model V7. 304 SS jacket rated for 100 psi @ 200 deg. F. Internal rated full vacuum. 1 and 3 Hp xp motors, 230/460v, 3ph. Serial # 73096C, Built 1998, National Board # 325.