Grantel Equipamentos

GRANTEL EQUIPAMENTOS

Created to serve the customer with excellence, exceeding their expectations in the field of electrical insulators.

We have solutions for transmission lines, substations, distribution lines and others from 15 to 1000 kV.

We already supply insulators to very demanding customers, among which are: ABB, ALSTOM, AMAZONAS ENERGIA (ELETROBRÁS AMAZONAS), AREVA, ARTECHE, BOA VISTA ENERGIA (ELETROBRÁS TORAIMA), CEAL (ELETROBRÁS ALAGOAS), CEPISA (ELETROBRÁS PIAUÍ), CHESF, COOPER, EATON, COPEL, CPFL, CTEEP, CYMI MASA, DME, ELECNOR, ELETROACRE, ELETRONORTE, ELETROSUL, ENERCITY, ENERGISA, FURNAS, GE, IESA, MASTEL, NOENERGIA (COELBA, CELPE), PROCEL, RGE, SEPCO1, SIEMENS, STATE GRID, TOSHIBA, TPLT (Transmissora Teles Pires), VIVIDENSE, and WEG.

In addition to homologating factories, taking the Brazilian demands to the biggest global manufacturers, we also offer:

  • Technical staff with product knowledge, their applications and local technical standards;
  • Local stock of products intended for the Brazilian needs;
  • Local after sales;
  • Local contractual warranties;
  • Follow-up of tests in factories and official laboratories;
  • We have tested our insulators at the biggest and most renowned national and international laboratories – CEPEL, LACTEC, UNICAMP, USP, EESC, VEIKI, CEPRI and WUHAN.

Our portfolio of products include:

  • Glass, porcelain and vulcanized silicon rubber (polymer or composite) suspension insulators from 69 kV up to 800 kV in AC (alternating current) and DC (direct current);
  • Porcelain station post insulators from 13,8 kV up to 800 kV;
  • Porcelain line post insulators from 69 kV up to 145 kV;
  • Composite (Polymer) line post insulators from 69 kV up to 245 kV.