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overview
High voltage line pin insulators are mainly used for insulation and supporting wires in high-voltage overhead transmission and transformation lines. According to the rated voltage, it is divided into five levels: 6, 10, 15, 20, and 35KV. The pin insulator is composed of porcelain parts and steel feet (or screw sleeves), and the porcelain parts and steel feet (or screw sleeves) are connected together using Portland cement adhesive. The surface of porcelain parts is white or brown, and the surface of steel feet is hot-dip galvanized.
Model Description
P-ordinary pin insulator
PQ - Reinforced Heavy Pollution Type Pin Insulator
PQ1- Reinforced Medium Pollution Type Pin Insulator
PQ3- Lightning resistant pin insulator
B-Apply semiconductor glaze to the area above the side groove of porcelain parts
T - With feet and iron pole
M - With feet, wooden pole
L - Without feet, porcelain parts and foot threaded connections
The number after the dash represents the rated voltage, and the 16 and 20 after T represent the lower thread diameter.






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