Hi there. Welcome to Gaoya Power—your trusted glass insulator manufacturer with over 20 years of experience.
We serve long-term supply markets across Africa, Asia, the Middle East, Latin America, and Europe.

Free Samples

Comply with International Standards

Fast Lead Time: 7 Days

Toughened Glass Insulators and Beyond – All You Need in One Place

Best-Selling Toughened Glass Disc Insulators for Sale

40 kN (U40B), 70 kN (U70BS, U70BL, PSD70E), 120 kN (U120B, U120BP), 160 kN (U160BS, U160BP) Toughened Glass Disc Insulator

glass insulator drawing
Basic type Minimum mechanical failing load (kN) Nominal diameter D(mm) Nominal spacing P(mm) Nominal creepage distance(mm) Standard coupling/PIN One by one tensile load test Wet power frequency withstand voltage (kV) Dry lightning impulse withstand voltage (kV) Net weight (kg)
U40B 40 178 110 185 11 20 25 70 1.65
U70BS U70B/127 70 255 127 320 16 35 40 100 3.77
U70BL U70B/146 70 255 146 320 16 35 40 100 3.78
U100BS U100B/127 100 255 127 320 16 50 40 100 3.9
U100BL U100B/146 100 255 146 320 16 50 40 100 4
U120B U120B/127 120 255 127 320 16 60 40 100 3.9
U120B U120B/146 120 255 146 320 16 60 40 100 4.2
U160BS U160B/146 160 280 146 400 20 80 45 125 6
U160BS U160BM U160B/155 160 280 155 400 20 80 45 125 6.2
U160BL U160B/170 160 280 170 400 20 80 45 125 6.5
U210B U120B/170 210 280 170 400 20 105 45 105 6.7
Basic type Minimum mechanical failing load (kN) Nominal diameter D(mm) Nominal spacing P(mm) Nominal creepage distance(mm) Standard coupling/PIN One by one tensile load test Wet power frequency withstand voltage (kV) Dry lightning impulse withstand voltage (kV) Net weight (kg)
U70BP/146 70 255 146 400 16 35 45 110 5.2
U70BLP U70BP/146 70 280 146 450 16 35 50 125 5.8
U70BP/146 70 320 146 550 16 35 55 140 6.1
U100BP/146 100 255 146 400 16 50 45 110 5.2
U100BLP U100BP/146 100 280 146 450 16 50 50 125 5.9
U100BP/146 100 320 146 550 16 50 55 140 8.2
U120BP/146 120 255 146 400 16 60 45 110 5.3
U120BLP U120BP/146 120 280 146 450 16 60 50 125 6.0 
U120BP/146 120 320 146 550 16 60 55 140 8.3
U160BP U160BP/155 160 280 155 450 20 80 50 125 7.0 
U160BP/170 160 280 170 450 20 80 50 125 7.1
U160BSP U160BP/146 160 320 146 550 20 80 50 125 8.8
U160BLP U160BP/170 160 320 170 550 20 80 55 140 9.1
U160BP U160BP/155 160 320 155 550 20 80 55 140 9.0 
U210BP U210BP/170 210 320 170 550 20 105 55 140 9.6
U240BP/170 240 320 170 550 24 120 55 140 9.9
U300BP U300BP/195 300 320 195 550 24 150 55 140 11.3
Basic type Minimum mechanical failing load (kN) Nominal diameter D(mm) Nominal spacing P(mm) Nominal creepage distance(mm) Standard coupling/PIN One by one tensile load test Wet power frequency withstand voltage (kV) Dry lightning impulse withstand voltage (kV) Net weight (kg)
U70BP/127M 70 380 127 365 16 35 45 90 6
U70BP/146M 70 380 146 365 16 35 45 90 6
U100BP/127M 100 380 127 365 16 50 45 90 6.2
U100BP/146M 100 380 146 365 16 50 45 90 6.2
U120BP/127M 120 380 127 365 16 60 45 90 6.3
U120BP/146M 120 380 146 365 16 60 45 90 6.3
U160BP/146M 160 420 146 380 20 80 50 95 7.9
U160BP/155M 160 420 155 380 20 80 50 95 7.9 
U210BP/170M 210 420 170 380 20 105 50 95 8.6
U240BP/170M 240 420 170 380 24 120 50 95 8.6 
U300BP/195M 300 420 195 380 24 150 50 95 12.1
Type Minimum Mechanical Failing Load (kN) Diameter (D), MM Structural Height (H), MM Creepage Distance, MM Withstand Voltage at 50 Hz (under rain), kV Impulse Withstand Voltage, 1.2/50μs, +/-, kV Voltage at Radio Interference Level, kV Weight, kg
PSD 70 E 70 270 127/146 411 45 110/110 25 4.6

The price of the toughened glass disc insulator may vary based on availability, raw material prices, and demand. To receive the latest price, please fill out the order form below. Provide the quantity, delivery address, and contact information, and we will respond to your inquiry within one business day.

Reliable Toughened Glass Disc Insulators for Your Projects and Business

Toughened glass disc insulators are trusted for superior performance and account for 1/3 of global line insulator usage. Ideal for O&M departments, they provide:

1. Self-Elimination of Defects
Defective glass insulators self-detonate, eliminating manual inspections and reducing maintenance workload.

2. Long-Term Reliability
After 30-40 years in operation, glass insulators retain their mechanical strength and electrical performance, ensuring consistent reliability and reducing replacement costs.

High-Quality Accessories for Toughened Glass Disc Insulators

glass dielectric

1. Different glass disc profiles are used for different environmental conditions, such as standard, anti-pollution, and aerodynamic types.

160kN, 120kN, 70kN Cap

2. Glass insulators with different tensile strengths are equipped with hot-dip galvanized steel caps, such as 160 kN, 120 kN, and 70 kN.

zinc sleeve glass insulator

3. Available with regular or zinc sleeve-type coupling pins.

glass insulator R & W clip

4. Stainless Steel Cotter Split Pin (R & W)

Why Choose Gaoya Power

Gaoya Power, a leading Chinese glass insulator manufacturer with 20+ years of experience, provides reliable power transmission and distribution solutions. We ensure safety and performance in the most demanding environments through innovation and excellence.

1. Direct Factory with Competitive Prices
2. Large Stock of Brand-New Glass Insulators, Lead Time in as Little as 7 Days
3. All Products Comply with IEC Standards
4. On-Site Inspection Supported Before Shipment
5. Flexible Payment Terms: 30% Deposit, 70% Balance After Inspection (via Pictures or Your QC)
6. Free Samples Available (Shipping Cost Only)

Welcome to Gaoya Power — Where Innovation Meets Partnership

Your privacy matters to us. We respect our clients’ confidentiality and ensure all information remains secure.

You can choose to visit us at the following locations:

Address(Office): Room A607, No. 38 Wanggang Avenue, Baiyun District, Guangzhou City, Guangdong Province, China
Address(Factory): Shaheqiao Development Zone, Hejian City, Cangzhou City, Hebei Province, China

Contact Us

Have questions about our products or services? Contact us, and our team will respond within 24 hours.

Gaoya Power Technology (Guangdong) Co., Ltd.

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