Porcelain covers for different purposes

In total range of insulators delivered by SZVI the hollow apparatus porcelains are the most principal items designed for production of low-oil, SF6 and air breakers, current transformers,

high voltage bush-ings and arrestors. The enterprise manufactures cylindrical and conical apparatus porcelain up to 5525 mm high. Cov-ers of up to 2000 mm high are made of a solid piece. Large-size insulators are made from separate parts fixed together with the epoxy, their joints withstanding maximum bending moment up to 235 kg/cm2.