banner

High voltage suspension 120 kN electrical glass insulator U120BP-1 glass insulators

Short Description:

Glass insulators can withstand significant mechanical loads, including the weight of the conductor itself, wind loads, ice loads, etc. It can still firmly support the conductor on the tower to ensure the safe and stable operation of the transmission line in severe weather conditions, such as heavy wind, rainstorm, snowstorm, etc. For example, in coastal or mountainous areas that are frequently hit by strong winds, the mechanical strength advantage of glass insulators becomes particularly important.


Product Detail
Product Tags

120kN standard disc suspension glass insulator U120BP-1

120kN anti-fog disc suspension glass insulator U120BP-1 is a very common and popular glass insulator in Chinese market and overseas market such as Vietnam, Iran, Algeria etc.

Jiangxi huayao electric Co.,ltd is professional in produce this item, the daily output of this item is 10000 pieces.

Structural composition:

Glass insulators are usually composed of iron caps, tempered glass pieces, and steel feet, which are bonded together with cement adhesive.
Glass insulator is a special insulation component used in overhead transmission lines to provide insulation and support for wires.

Main types of glass insulator:


Glass insulator is including standard type, pollution resistant type, DC type, spherical type, aerodynamic type, ground wire type, and contact network for electrified railways

Jiangxi Huayao electric Co.,ltd produce standard type glass insulator 40-550Kn, Pollution resistant type 70-400Kn, mutil-umbrella type 120-330kN, Glass insulator aerodynamic type 120-300kN, ground wire type.

Following is pollution resistant type glass insulator 40-550Kn:

Main technical parameters (GB and IEC) of stain resistant disk suspension type glass insulator
IEC type Diameter  D (mm) spacing  H (mm) creepage distance L(mm) size of coupling       (mm) Mechnical failing load (kN) Mechnical routine test       (kN) Power frequency withstand voltage DRY  (kV) Power frequency withstand voltage WET (kV) lighting impulse withstand voltage (kV) Min power frequency puncture voltage (kV) Net weight per unit (kg)
U70BP/146 260 146 400 16 70 35 80 45 110 130 5.00 
U70BLP/146 280 146 450 16 70 35 85 50 125 130 5.50 
U70BP/146 320 146 550 16 70 35 90 55 140 130 7.50 
U100BLP/146 260 146 400 16 100 50 80 45 110 130 5.00 
U100BLP/146 280 146 450 16 100 50 85 50 125 130 5.50 
U100BP/146 320 146 550 16 100 50 90 55 140 130 7.50 
U120BLP/146 260 146 400 16 120 60 80 45 110 130 5.00 
U120BP/146 280 146 450 16 120 60 85 50 125 130 5.50 
U120BP/146 320 146 550 16 120 60 90 55 140 130 7.50 
U160BSP/155 280 155 450 20 160 80 85 50 125 130 7.00 
U160BP/170 280 170 450 20 160 80 85 50 125 130 7.20 
U160BLP/170 320 170 550 20 160 80 90 55 140 130 9.20 
U160BP/155 320 155 550 20 160 80 90 55 140 130 9.00 
U160BSP/146 320 146 550 20 160 80 90 55 140 130 8.80 
U210BP/170 320 170 550 20 210 105 90 55 140 130 10.00 
U240BP/170 320 170 550 24 240 120 90 55 140 130 10.50 
U240BP/170 320 170 550 20 240 120 90 55 140 130 10.50 
U300BP/195 390 195 710 24 300 150 95 60 150 130 14.00 
U300BP/195 380 195 635 24 300 150 95 60 150 130 14.00 
U420BP/205 380 205 620 28 420 210 90 55 140 130 16.50 
U550BP/240 380 240 650 32 550 275 95 55 145 130 20.50 

Product name: Glass insulator Model number:U120BP-1
Material: fiberglass Application: high voltage
Rated voltage: 33kV Product name: high voltage insulator
Brand name: Huayao Usage:Transmission lines
Application: insulation Rated voltage: 12kV
Place of origin: Jiangxi, China Certificate:ISO9001
Standard: IEC60383 Color: Jade green


Product Details

120kN standard disc suspension glass insulator U120BP-1

Place of Origin:  China
Brand name:  HUAYAO
Certification:  ISO9001
Daily output:  10000 pieces
6 pieces in wooden case, then put in pallet.

Payment & Shipping
Minimum Order Quantity: 10 pieces
Packaging Details:  normal export packaging
Supply Ability:  50000pcs
Delivery Port:  Ningbo,Shanghai
Payment term:  TT, L/C, FCA 


Quick Detail: 

Glass Fog Profile Suspension Insulators LXHP-120 / U120BP-1

Dimensions
Diameter (D): 320mm
Spacing (H): 146mm
Creepage Distance: 550mm
Coupling Size: 16mm

Mechanical Values
Mechanical Failing Load: 120kN
Tension Proof: 60kN

Electrical Values
Dry Power-frequency Withstand Voltage: 85kV
Wet Power-frequency Withstand Voltage: 50kV
Dry Lightning Impulse Withstand Voltage:125kV
Puncture Withstand Voltage: 130kV

Radio Influence Voltage Data
Test Voltage RMS to Ground: 10kV
Maximum RIV at 1000 kHz: 50μV

Packing and Shipping Data
Net Weight, Approximate: 5.5kg

What is the advantage of glass insulator:
Good insulation performance
Due to the insulation properties of glass materials themselves, they can effectively prevent current leakage in high-voltage transmission lines. Moreover, the insulation performance of glass insulators is relatively stable and will not significantly decrease over time, providing reliable guarantees for long-term stable power transmission.
Zero value self explosion
This is a very significant feature of glass insulators. When the insulation performance of glass insulators decreases to a certain extent, that is, when a "zero value" situation occurs, under the action of operating voltage, the glass insulators will automatically break (self destruct). This feature enables operation and maintenance personnel to easily detect faulty insulators, facilitate timely replacement, and greatly improve the safety and reliability of transmission line operation. Compared to other types of insulators, this self detection and warning function is a unique advantage of glass insulators.

The Production process flow:

The production process of glass insulators in Jiangxi Huayao Electric Co.,Ltd is as follows:
Mix raw material=>melt glass liquid=>press to glass insulator shape=> tempering treatment=>cold and shock test=> Glue assembly=> routine test and other test=> Finished products package.




Standard of glass insulator:

The tests have been performed in accordance with:
GB/T1001.1-2021 Insulators for overhead lines with a norminal voltage above 1000V Part1: Ceramic or glass insulator units for a.c. systems Definitions, test methods and acceptance criteria (IEC 60383-1:2021 MOD)
GB/7253-2019 Insulator for overhead lines with a nominal voltage above 1000V-Ceramic or glass insulator units for a.c. systems-Characteristics of insulator units of cap and pin type (IEC 60305:2021 MOD)
IEC 60383-1:2023 Insulators for overhead lines with a norminal voltage above 1000V
IEC 60120:2020 Dimensions of ball and socket couplings of string insulator units
Jiangxi Huayao electric Co.,ltd strictly compliance with above standard. We do the factory test report as above standard.
We always do following test for each products:
1. Verification of the Dimensions
2. Verifications of Displacements
3. Locking system test
4. Galvanized test
5. Thermal shock test
6. Mechanical Failing Load Test
7.Power frequency puncture withstand test



Application Fields:

Glass insulators are widely used in high-voltage and ultra high voltage transmission lines, including transmission lines with voltage levels of 110kV, 220kV, 500kV, and even higher. They can be seen in urban power supply networks, cross regional transmission projects, and output lines of large power plants. For example, in the transmission lines connecting large hydropower stations and urban power grids, glass insulators play a crucial role in ensuring the safe and efficient transmission of electricity to thousands of households.



Customer visit:



  • Previous:
  • Next:

  • privacy settings Privacy settings
    Manage Cookie Consent
    To provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.
    ✔ Accepted
    ✔ Accept
    Reject and close
    X