COVALMA S.L., is a Spanish XUROX butterfly valves manufacturer founded in 1996, whose qualified technical and commercial staff, with a long experience in the butterfly valve market, is one of the main features. Constant investment in human resources, productive procedures and a large average stock available allow us to meet customer demands with very competitive prices and delivery times. COVALMA has the quality certification according with UNE in ISO 9001 Registered nºE200605.