High voltage post composite insulator is used at power stations, substations and electrical equipment devices. We can offer best price and top quality of 220kV insulators in China.
1.Sizes and Technical data of 220kV Insulator
Rated mechanical bending failling load(kN)
Min nominal creepage distance
1min power frequency wet withstand voltage (kV)
Full wave lightning impulse withstand voltage peak value (kV)
2.Materials of Silicon Rubber Insulators
1).Prototype and 5000hours aging tested.
2).15 Years guarantee.
3).Extremely good anti-earthquake characte.
4).High tracking resistance silicone rubber used for sheathing.
5).Unique self-cleaning property, reduced maintenance cost.
6).Strong impact resistance and shock resistance, good anti-brittleness and creep resistance.
(The world's only one insulators maker who can produce all material as blow by ourselves)
1).Features high technical capabilities.
2).Advanced technology, imported advanced equipment.
3).Integrates development and manufacturing in-house.
4).The top comprehensive research and development manufacturing ability.
5).The product range is complete, according to the needs of customers.
6).Reasonable equipment configuration and stable equipment.
7).After-sales service specification, after-sales service response timely.