Metalogalva - Irmaos Silvas, SA products

Metal column of galvanized steel of single section, square shape with height up to 7m, curved bracket, with fixation by embedment or base plate.

Metal column of galvanized steel of single section, conical trunk shape with height up to 12 m, curved bracket, Ø60 mm at the top, with fixation by embedment or base plate.

In addition to the standard products and to the customised products, Metalogalva has a wide range of decorative models.

The power sector is generally divided into the activities of generation, transmission and distribution. The Metalogalva produces the metal structures for power lines. In Portugal, has been the principal supplier of EDP (Electricidade de Portugal) operators (ordinary regime and the national grid) and REN (national electrical network).

The high power lines or transport are those which nominal voltage is equal or higher than 60 kV. These lines link the production centers (thermal, hydro, wind) to substations or between several substations. They are usually overhead, however, can be undergroundirlines, they are constituted by supports, normally metallic, with drivers suspended or supported by insulators. In this context the Metalogalva includes in its portfolio the tubular poles mains voltages up to 400kV.

A Substation is a high-power electrical installation, containing equipment for transmission, distribution, protection and control of electrical power. Works as a point of control and transfer in a power transmission system, controlling and directing the energy flow, changing the voltage levels and functioning as delivery points to industrial consumers.