Pin Insulator with Spindle
- Product Name:
- Pin Insulator with Spindle
- Brand:
- SMICO
- Standard:
- IEC ANSI GB
- Voltage:
- 11kV~33kV
- Color:
- Brown
Description
Pin Insulator with Spindle
The pin insulator is a type of distribution line insulator, which is mounted to an electrical cross arm of the utility pole with the support of various bolts or pole top pins.
Pin insulator is widely used in power distribution systems with the features of low price, high mechanical strength, simple design, and easy maintenance.
Pin type insulators are assembled on top of the electrical poles or towers. The conductor was fixed to the grooves on the upper end of the insulators, with the help of the top tie.
Pin type insulators can be made of ceramic, porcelain, polymer, glass, or silicon rubber.
For lower voltages one-piece type of insulators are enough, For the application of higher voltage, stronger pin type insulators such as two pieces or three pieces types are needed.
Due to its design, It is generally used for the voltage 11kv up to 33kv, pin Insulators beyond a voltage of 33 kV will be bulky and expensive.
Pin insulator manufacturer in CHINA: SMICO
Thinking of where to buy a pin insulator? You should consider choosing a reliable pin insulator manufacturer in Vietnam.
Buying from the best manufacturer comes with an array of benefits. First, you will be assured of quality pin insulators for the pole line. These are insulators that are built of quality materials and designed to the utmost precision.
Secondly, a reliable insulator manufacturer will sell the product at reasonable prices. If you are looking for an affordable pin insulator, choose a reliable manufacturer and you will get it at a reasonable price.
Also, we cannot overlook the fact that the best pin insulator suppliers offer excellent customer services. You can even request for custom pin insulator and they will deliver it within a record time.
At SMICO, we are a trusted pin insulator in CHINA. We deal with different types of pin insulators that will meet your pole line needs. We not only manufacture this pole line accessory but also design so that they have the perfect dimensions.
We have several years of experience in this field and the quality of our work is known. We strictly align our pin insulators according to international standards.
Specification
| Type | 1 | 2 | 3 | 4 | 5 | 6 | ||
| Main Dimensions(mm) | H | 137 | 165 | 244 | 185 | 255 | 320 | |
| h | 48 | 52.63 | 52.63 | 52.63 | 52.63 | 52.63 | ||
| D | 152 | 230 | 279 | 170 | 205 | 240 | ||
| d | 18.29 | 27.78 | 27.78 | 76 | 76 | 76 | ||
| d1 | 13 | 19 | 19 | 27.78 | 27.78 | 27.78 | ||
| R1 | 12.7 | 14.3 | 13 | 16 | 16 | 16 | ||
| R2 | – | – | – | 16 | 16 | 16 | ||
| Rated Voltage(kv) | 15 | 22 | 33 | 15 | 22 | 33 | ||
| Creepage distance(mm) | 298 | 432 | 630 | 432 | 673 | 851 | ||
| Low-Frequency Punctur Voltage Average(kv) | 135 | 145 | 185 | 150 | 200 | 210 | ||
| Minimum Flashover Voltage | Power-Frequency(kv) | Dry Withstand | 80 | 100 | 135 | 100 | 125 | 140 |
| Wet Withstand | 55 | 60 | 85 | 65 | 95 | 110 | ||
| 50% Positive Impulse(kv) | 130 | 160 | 185 | 150 | 190 | 210 | ||
| Withstand Voltage | One minute power-frequency(kv) | Dry | 70 | 90 | 110 | 90 | 110 | 125 |
| Wet | 50 | 55 | 75 | 60 | 90 | 100 | ||
| Impulse(kv) | 110 | 150 | – | 140 | 180 | 200 | ||
| Radio-Influence Voltage Data | Test Voltage to Ground(KV) | 15 | 22 | 30 | 22 | 30 | 44 | |
| Maximun RIV at 1000KHZ(kv) | 8000 | 12000 | 16000 | 12000 | 16000 | 25000 | ||
| Bending Failing Load(kn) | 11 | 11 | 13 | 11 | 11 | 11 | ||
| Weight(kg) | 2 | 4.5 | 11.5 | 5 | 10 | 13 | ||
Advantage
Numerous benefits come with using pin insulators on the transmission line. These advantages include:
-High mechanical strength hence cannot be easily affected by the forces acting against the transmission line.
-The insulator a significant creepage distance hence guarantees the safety of the transmission lines. Creepage distance is the shortest distance between two electrodes that are positioned along the surface of an insulator.
-A pin insulator can be installed at any position. You can install it either vertically or horizontally and it will still function as usual.
-The insulator has a simple design hence easy to install and maintain.
-Pin insulators are suitable for high-voltage power transmission of up to 33kV. However, these insulators may not be suitable for low voltage lines or beyond 50kV.
Location
Composite Post Insulators are ideal for various high voltage installations, including:
- Transmission lines
- Distribution networks
- Substations
- Railway electrification systems
- Industrial power systems
Packaging
Videos
Downloads
| Pin Insulator with Spindle | Download |
FAQs
01.What is a Composite Post Insulator?
A Composite Post Insulator, also known as a Non-Ceramic Insulator (NCI) or polymer insulator, is a high-performance insulator made from advanced materials such as silicone rubber, ethylene propylene rubber (EPR), or polytetrafluoroethylene (PTFE). They are used in power transmission and distribution systems to provide superior mechanical and electrical performance.
02.What are the main advantages of Composite Post Insulators?
The main advantages of Composite Post Insulators include:
Lightweight Design: They are lighter than traditional ceramic or glass insulators, making them easier to transport and install.
Excellent Hydrophobicity: Synthetic materials like silicone rubber are highly water-repellent, which helps prevent dirt accumulation and reduces leakage current losses.
Strong Environmental Resistance: They are resistant to UV radiation, moisture, and pollution, ensuring long-term stable operation even in harsh conditions.
High Mechanical Strength: The combination of a fiberglass core rod and highly insulating polymer materials provides excellent mechanical strength and electrical performance.
03.What are the applications of Composite Post Insulators?
Composite Post Insulators are widely used in various high voltage power systems, including:
High voltage transmission lines
Distribution networks
Substations
Railway electrification systems
Industrial power systems
04.How do I choose the right Composite Post Insulator?
When selecting a Composite Post Insulator, consider the following factors:
The system’s rated voltage and maximum continuous operating voltage (Uc)
Mechanical strength requirements (e.g., tensile strength and bending strength)
Environmental conditions (e.g., temperature, humidity, and pollution levels)
The size and installation requirements of the insulator
05.Do Composite Post Insulators require maintenance?
While Composite Post Insulators are designed to be maintenance-free, it is advisable to periodically inspect their physical condition to ensure there are no signs of damage or aging. For insulators installed in harsh environments, regular electrical testing may also be necessary to ensure they maintain their protective performance.
06.What is the typical lifespan of a Composite Post Insulator?
The lifespan of a Composite Post Insulator depends on various factors, including environmental conditions and the frequency of overvoltage events. Typically, composite insulators can last between 20 to 30 years, but this depends on usage and the quality of the insulator.
07.Can Composite Post Insulators be used in high pollution environments?
Yes, Composite Post Insulators have excellent pollution resistance. Insulators made with materials like silicone rubber have hydrophobic properties that help prevent pollution buildup, making them suitable for use in high pollution environments.
