NGK post insulators are manufactured using the same unsurpassed designs, materials, and quality control used in our composite suspension insulator and composite line post insulators.
NGK post insulators
NGK post insulators characteristics
End fitting sealing system employs double O-rings plus an RTV sealant that have demonstrated excellent protection against moisture penetration.
End fittings of NGK post insulators are then assembled by a pressure controlled, multi-step, crimping process. Overall length and hole alignment are controlled by NLPI’s unique design and manufacturing process.
The housing material for NGK post insulators is silicone rubber, which provides excellent contamination performance, also known as composite insulator post. This housing is formed by compression molding silicone rubber onto the core as one continuous part free of any joints.
Both housing and core of NGK post insulators are chemically bonded together during the vulcanization process. The strength of this bond is greater than the tearing strength of the silicone housing material itself.
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