Camozzi - 30-8839-4057 referenced valve product produced by high technology. 30-8839-4057 became irreplaceable of foundations. 30-8839-4057 referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. 30-8839-4057 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.