Glass insulators

Toughened glass disc insulators for use in electric power distribution lines, transmission lines and substations.

Grantel Equipamentos sells high quality Glass Insulators to both national and international electric market. Our Glass Insulators comply with various standards like ANSI, IEC and NBR, and have been tested by various tests conducted in renowned national and international laboratories.

National laboratories:

CEPEL, LACTEC, UNICAMP, USP, EESC.

International laboratories

VEIKI, EGU, CEPRI, WUHAN, STRI, KEMA.

WE WORK WITH THE FOLLOWING
TYPES OF GLASS INSULATORS:

 Suspension (disc) insulators of 34.5 to 1000 kV in Alternate
Current (AC) and Direct Current (DC);

GRANTEL’S DIFFERENTIALS

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Largest stock of insulators in Brazil

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Team specialized in the products, applications and in national and international technical standards

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Own laboratory for carrying out tests

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Local after-sales and contractual warranties

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Products that meet national and international standards (NBR, IEC, ANSI and tailored)

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Products tested in major and highly renowned laboratories (CEPEL, LACTEC, UNICAMP, USP, VEIKE/DEKRA, EGU, CEPRI and WUHAN)

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CUSTOMERS THAT USE OUR GLASS INSULATORS

General supply

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Support, pin and pillar insulators of 13.8 to 1000 kV
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Glass and porcelain disc suspension insulators
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Polymer (composite) suspension insulators
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Already supplied electrical glass, porcelain and polymer (composite) insulators
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MANUFACTURING PARTNER

The glass disc insulators are manufactured by Sichuan Yibin Global Group Insulators Co., Ltd., which is located in Chengdu in the province of Sizhuan, China. The Global Group has been in the glass production market since 1993 and it began its activities in the glass disc insulator production sector in 2004.

The Global Group has a staff of 409 engineers, technicians, operators and general administrative employees. Its factory consists of the best equipments available in the global market in order to deliver high quality glass disc insulators with spontaneous breakage rates of less than 1 in 10 thousand pieces, which ensures high reliability in-line operation.

The Global Group is also internationally certified in ISO 9001 (Quality Management Certificate), ISO 14001 (Environmental Management Certificate) and OHSAS 18001 (Occupational Safety and Health Certificate). It has a Laboratory to conduct tests according to international standards (IEC, ANSI, NBR) and Chinese standards in the electrical, mechanical, chemical and thermo-mechanical fields, in addition to having a department dedicated to research and development. Its annual production capacity of glass disc insulators for alternate and direct currents reaches 9 million pieces.

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