Certification of RIN Bushings

On 8 August 2018, Izolyator passed a voluntary certification of its serial high-voltage bushings with RIN insulation for conformity to normative requirements.

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The solid RIN insulation (Resin Impregnated Nonwoven) has been developed by Izolyator’s design office in collaboration with partners with the aim to increase water-tight features of the internal insulation of high-voltage bushings in severe operating conditions or for situation when operating and storage conditions are violated. The main insulation is a nonwoven polymer material that has no cellulose, and as a consequence possessing extremely high hydrophoby and resistibility to atmospheric humidity, which virtually eliminates any moistening of insulation. The material is void of water in the first place, which allows to eliminate thermal vacuum drying of wound core. This means a more reliable insulation and a shorter production cycle. In all other details RIN insulation making process is identical to RIP technology. RIN insulation can be used both with porcelain and polymer external insulation. Izolyator has patented RIN trademark and production technology and received certificates of conformity of RIN bushings to Russian and international standards.

Our RIN bushings were certified in the state certification system GOST R. Izolyator received respective certificates from the Federal Agency on Technical Regulating and Metrology.