Since 1968 Vorti-Siv has been a leading manufacturer of the highest-quality sieves, screens and separation equipment. We service many industries including Food, Pharmaceutical, Nutraceutical, Ink, Paint and Coatings, Powder Metals and Cosmetics. Our Lab, Pilot, and Production size equipment is used worldwide for many high-quality wet and dry processes. Please take a few moments to see how our products can meet your sieve processing requirements.