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Hollow composite insulator
Hollow composite insulator

Hollow composite insulator

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PINGGAO GROUP HIGH VOLTAGE SWITCHGEAR CO.,LTD.

Pingdingshan,Henan,China

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Hollow composite insulator

1、General Description Hollow composite insulator has three main parts: flange, epoxy glass insulating pipe and external insulating sheath. The flange and the insulating pipe are connected by composite epoxy resin. The sheath is shaped at one time.2、Main Features21. Shaped at one time, difficulty cracking, good sealing performance. 2.2. the insulator has light weight so that it is convenient to erection, transport and construct. And also the weight of the high voltage switchgear is reduced. The weight of hollow composite insulator is 1 to 4 of the weight of porcelain insulator.2.3. External insulator has good performance in heat-resistance, corrosion-proof and tracking.a. willemite has stability performance on the condition of temperature between -45℃-100℃. The heat-proof layer of the internal wall of the rocker tube is made of willemite which could bear ten thousand centigrade.b. Willemite could absorb ultraviolet radiation with wave length

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