At Prater, every project begins with your product in mind to deliver perfectly matched performance for every application. Prater airlocks, mills and separators have met the needs of customers in over 160 countries since 1925. Over 6,000 customers can attest to our attention to detail and dedication to service. All Prater equipment, parts and systems are designed to provide years of low maintenance, reliable service. Prater also offers highly skilled and experienced technical services on-site for start-up, troubleshooting and preventative maintenance.