porcelain line post insulators possess remarkable mechanical strength, allowing them to support the weight of power lines and withstand various environmental stresses, such as wind, ice, and vibrations. this durability contributes to the longevity of the power distribution infrastructure.
material: porcelain is the primary material used for these insulators due to its excellent electrical insulation properties and mechanical strength. porcelain is a type of ceramic material that can withstand high electrical stress and temperature variations.
design: line post insulators have a distinctive design featuring a cylindrical or elongated shape with threaded metal fittings at both ends. the insulator is usually divided into multiple sections or sheds, which are the grooved and ribbed surfaces that increase the effective leakage path and creepage distance. this design helps prevent the accumulation of contaminants like dust, pollution, and moisture, reducing the risk of electrical arcing or flashover.
style | tie top | clamp top |
semiconductive glaze | yes | no |
rated voltage (kv) | 11 | |
bil (kv) | 105 | 95 |
wet power freq. (kv) | 72 | 38 |
cantilever (kn) | 10 | 12.5 |
creepage (mm) | 400 | 350 |
weight (kg) | 5 | 7 |
material | porcelain | |
clamp included | n/a | al clamp, 7-32mm od |
pin included | m20x170mm with double helix washer, flat washer & lock nut |
Who We Are?
Nooa Electric Co., Ltd. - Chinese professional electrical insulators manufacturer with 21+ experience, covering an area of 70,000 square meters, and construction area is 50,000 square meters. There are more than 200 employees, including 25 technicians. The production capacity 3500000 pieces per year, and now setting up the new kiln and lines up to 10500000 pieces per year. We have been specialized in research and development of latest high-strength functional glass and power transmission insulators, which is the qualified supplier for State Grid Corporation of China and Southern State Grid Corporation of China, and is a participating unit of product standard formulation of the national electrical insulator standard committee.
Certificates & Reports: INTERTK, SGS, BV Certificates,Type Test Certificate.
Main Electric Insulators : Standard-type glass insulator (u40(ctv175)/u70(ctv254, ps70e)/u120/u160/u210/u300) , antipollution-type glass insulators (u120bp/u160bsp/u210bp), aerodynamic type glass electrical insulators (ug70bsa/u100bsa/u120bla), multi-umbrella type electric insulators, ground-wires type glass power line insulators (u70cn/u100cn/u120c), post insulator for line, pin glass insulator. Products are mainly used for transmission line insulation, suspension, support, tension conductors. They are divided into 5 major series: The standard type glass insulator 40-550kn, filth-resistant type glass insulators 70-420kn, aerodynamic type glass electrical insulators 120-300kn, multi-umbrella type electric insulators 120-300kn, and ground circuit type high voltage insulators, able to be used for line voltage from 10kv~1000kv.
Core Technology:
Automation Equipment: Siemens fully automatic feeding, stamping, temperature equalization, tempering, hot and cold shock control system.
Independent Product Model: U160BP/146/380/450, U160BP/155/380/450, U210BP/170/420/550 and U300BP/195/420/550.
Advanced Klin: Germany's new generation kiln control system, equipped with brand-new sensors and actuators, and equipped with a high-precision automatic batching system.
Qualification: Passed the quality, environment and occupational health system certification and obtained a number of invention patents.
Goal:
To be the world's largest glass insulators manufacturer.