Porcelain Disc Insulator Product Overview:
Acting as the primary defense against electrical leakage, this robust hardware isolates high-voltage conductors from utility poles. Procurement teams favor this specific porcelain suspension insulator due to its proven track record in extreme outdoor conditions.
To guarantee superior grid stability and simplify field operations, this insulator features:
- Flexible Scaling: Link several discs together in a single string to effortlessly scale up to higher transmission voltages.
- Weather Immunity: Exceptional structural density naturally prevents water ingress and guarantees long-term corrosion resistance.
- Commercial Readiness: We actively support EPC contractors with a full set of technical documents, ensuring your tender submissions are approved swiftly.
Key Features & B2B Commercial Benefits of Porcelain Disc Insulator:
Upgrading your transmission infrastructure with a premium suspension disc insulator significantly drives down long-term maintenance costs. The high-grade porcelain formulation provides distinct electrical and logistical advantages for mass deployments:
- Maintains consistent dielectric strength even when exposed to severe industrial pollution or harsh saline environments.
- Zero minimum order quantity (MOQ) on your very first order, allowing you to test quality with free initial samples.
- Backed by rigorous quality control plans, securing a low cost and low price structure without compromising on safety.
- Supported by a rapid quotation process and dependably responsive after-sale service for peace of mind.
Porcelain Disc Insulator Applications:
Designed to adapt to standard and complex utility frameworks, this hardware serves as a highly adaptable insulation solution. When field crews implement the disc pin insulator or standard suspension variants, they guarantee structural stability for:
- Tensioning and suspending high-voltage overhead transmission lines across diverse rural and urban terrains.
- Creating scalable insulator strings capable of managing extreme mechanical loads on complex dead-end towers.
- Large-scale utility expansions requiring rapid, bulk lot deliveries from a highly responsive manufacturing team.
- Custom OEM insulator manufacturing managed by a strong design team to match unique structural layouts.
Technical Specifications & Dimensions for Porcelain Disc Insulator:
Examine the comprehensive electrical, mechanical, and dimensional parameters below. Each data table corresponds to a specific structural profile, ensuring you find the exact Porcelain Disc Insulator for your project needs.
1. Clevis / Tongue Type (Standard Profile):
| Class | Main Dimension (mm) | Leakage Distance (mm) | Power-freq Puncture (kV) | Average Flashover Voltage (kV) | RIV (kV) | Rated E&M Load (kN) | Tension Proof (kN) | Impact Strength (N.m) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | H | Dry | Wet | Pos. | Neg. | Test | Max | ||||||
| 52-1 | 165 | 140 | 178 | 80 | 60 | 30 | 100 | 100 | 7.5 | 50 | 45 | 22 | 5 |
| 52-10 | 280 | 165 | 280 | 110 | 80 | 50 | 100 | 130 | 10 | 50 | 160 | 80 | 10 |
2. Clevis / Tongue Type (Extended Profile):
| Class | Main Dimension (mm) | Leakage Distance (mm) | Power-freq Puncture (kV) | Average Flashover Voltage (kV) | RIV (kV) | Rated E&M Load (kN) | Tension Proof (kN) | Impact Strength (N.m) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | H | Dry | Wet | Pos. | Neg. | Test | Max | ||||||
| 52-2 | 190 | 146 | 210 | 80 | 65 | 35 | 115 | 115 | 7.5 | 50 | 70 | 35.5 | 6 |
3. Ball / Socket Type:
| Class | Main Dimension (mm) | Leakage Distance (mm) | Power-freq Puncture (kV) | Average Flashover Voltage (kV) | RIV (kV) | Rated E&M Load (kN) | Tension Proof (kN) | Impact Strength (N.m) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | H | Dry | Wet | Pos. | Neg. | Test | Max | ||||||
| 52-3 | 254 | 146 | 292 | 110 | 80 | 50 | 125 | 130 | 10.0 | 50 | 70 | 35.5 | 6 |
| 52-5 | 254 | 146 | 292 | 110 | 80 | 50 | 125 | 130 | 10 | 50 | 111 | 55.5 | 7 |
| 52-8 | 254 | 146 | 320 | 110 | 80 | 50 | 125 | 130 | 10 | 50 | 160 | 80 | 10 |
4. Clevis / Tongue Type (Wide Profile):
| Class | Main Dimension (mm) | Leakage Distance (mm) | Power-freq Puncture (kV) | Average Flashover Voltage (kV) | RIV (kV) | Rated E&M Load (kN) | Tension Proof (kN) | Impact Strength (N.m) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | H | Dry | Wet | Pos. | Neg. | Test | Max | ||||||
| 52-4 | 254 | 146 | 292 | 110 | 80 | 50 | 125 | 130 | 10.0 | 50 | 70 | 35.5 | 6 |
| 52-6 | 254 | 146 | 292 | 110 | 80 | 50 | 125 | 130 | 10 | 50 | 111 | 55.5 | 7 |
5. Pin / Post Disc Insulator Profile:
| Class | Main Dimension (mm) | Leakage Distance (mm) | Power-freq Puncture (kV) | Average Flashover Voltage (kV) | RIV (kV) | Rated E&M Load (kN) | Tension Proof (kN) | Impact Strength (N.m) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | H | Dry | Wet | Pos. | Neg. | Test | Max | ||||||
| 52-9 | 108 | 160 | 171 | 80 | 60 | 30 | 125 | 90 | 7.5 | 50 | 45 | 22 | 5 |
