BESIDE YOU SINCE 1975 WE Maivisa was founded in 1975. At present it is fully dedicated to the design and construction of metal process equipment under pressure for light and semi-heavy boilermaking such as; chemical and petrochemical reactors, heat exchangers, columns, tanks, silos, special constructions, pressure vessels, etc. In the last 25 years we have grown slowly but surely. Since 2009, with the inauguration of our new facilities, we have expanded the production area, as well as the personnel, facilities, technology, and business and technical service areas. Know more EQUIPMENT Our pressure process equipment is designed and built according to the following parameters: DESIGN CODE TEMA, ASME VIII div. 1, AD-2000, EN-13445, CODAP. CALCULATION AND DESIGN PROGRAMS Bentley Auto Pipe, HTRI, Finite Element Calculus CONSTRUCTION MATERIALS STAINLESS STEELS> Austenitic, Ferritic, Duplex CARBON STEELS> Special alloys, low alloys NICKEL ALLOYS> Hastelloy, Incoloy, Monel NOBLE METALS> Nickel, Titanium REFRACTORY STEELS SEE EQUIPMENT QUALITY CERTIFICATES HP0 DIN en 3834 ISO 9001: 2015 ASME U STAMP NATIONAL BOARD CERTIFICATE REPRO ACHILLES DELEGATIONS maivisa Austria Belgium Czech republic Denmark Finland France Germany The Netherlands Norway Spain Sweden Switzerland Venezuela © 2020 MAIVISA MENU