Dough Spiral Mixer 50kg Designed with commercial applications in mind, this dough mixer has a durable fixed 30 qt. stainless steel bowl, and it can handle a flour capacity of 3.3 - 27.5 lb. and a dough capacity of 45 lb. Whether you're prepping pizzas, cookies, or bread, you'll notice a notable uptick in your kitchen efficiency once you install this unit in your establishment.