UNUSED Precision Stainless 3000 liter / 792 gallon T316L stainless steel sanitary reactor body. Internal rated 50 psi / FV @ -20 degrees F to 300 degrees F. Jacket 304L stainless steel rated 50 psi @ -20 degrees F to 300 degrees F. Serial number 5060. National Board 3301. Built 1991.