| Customization: | Available |
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| Application: | High-voltage |
| Material: | Composite Polymer |
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Post Insulator play a crucial role in ensuring the safe and stable distribution of electricity generated at power plants. These components are particularly vital in power handling equipment located at power plants and substations, where station post Insulator serve to support electrical cables and other essential equipment while isolating them from the ground.
Electrical substation Station post insulators, specifically, are designed to provide robust support for each piece of equipment, ensuring electrical stability and preventing unintended current flow. These insulators are not only capable of supporting individual components but can also be connected in series to form insulator columns, thereby enhancing their overall strength and versatility. This modularity allows them to be tailored to the specific needs of the power distribution system, ensuring reliable operation and safety across various voltage levels.
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| Rated Voltage: | 132kV | SCL: | 4kN |
| Type: | Station Post | Type Test: | Provide |
| Material: | Composite, Polymer | Sample Available: | Yes |
Composite Station Post Insulator
| No. | Description | Rated Voltage (kV) |
Specified Mechanical Bending Load (kN) | Section Height H (mm) |
Minimum Arcing Distance H (mm) |
Minimum Creepage DistanceL (mm) | Lightning Impulse Withstand Voltag≥(kV) | Power Frequency Withstand Voltage≥(kV) |
| 1 | FZSW-66/16 | 66 | 16 | 770±1 | 636 | 1813 | 325 | 130 |
| 2 | FZSW1-110/10 | 110 | 10 | 1220±2.7 | 1084 | 3150 | 450 | 185 |
| 3 | FZSW2-138/10 | 138 | 10 | 1200±2 | 1064 | 3150 | 450 | 185 |
| 4 | FZSW1-110/20 | 110 | 20 | 1220±2.7 | 1044 | 3150 | 450 | 185 |
| 5 | FZSW2-138/20 | 138 | 20 | 1200±2 | 1024 | 3150 | 450 | 185 |
| 6 | FZSW - 252/20 (Upper & lower components) |
252 | 20 | 2300±3.8 | 2007 | 6300 | 950 | 395 |
Composite Pin Type Insulator
| No. | Description | Section Height (H mm) |
Dry Arcing Distance (h mm) |
Creepage Distance(mm) | 1 min Wet Power Withstand Voltage (kV) |
Lightning Impulse Withstand Voltage ≥(kV) |
Specified Bending Load ≥(kN) |
| 1 | FPW1-11T16 | 236±5 | 150 | 390 | 50 | 100 | 2 |
| 2 | FPW4-11T20 | 236±5 | 150 | 390 | 50 | 100 | 3.5 |
| 3 | FPW - 36T20 | 500±5 | 400 | 1200 | 125 | 210 | 12.5 |
Product structure and advantages
Our company specializes in the production of composite insulators for transmission lines. The main structure is composed of rubber, epoxy glass fiber core and metal end fittings. Compared with similar ceramic and glass insulators, silicone rubber insulators have the following advantages:Water-repellent, UV and corona resistant silicone rubber based housing.
HTV injected weathersheds are chemically bonded to the rod which has an excellent performance.
Metal fittings are fixed to the fiber glass core, not the silicone housing for maximum mechanical strength.
Corona ring applied to the metal fittings to protect the housing. Housing is chemically bonded to the fiberglass core rod.
Hydrolysis-resistant resin system applied to the fiberglass reinforced resin rod.
3mm-thick high temperature vulcanized (HTV) silicone rubber sheath improves the system's mechanical characteristics while reducing FRP rod's electric field strength.
Also protects the FRP rod during handling and installation. Metastable silicone sealing system prevents moisture ingress to the FRP rod.
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Item |
Requirement |
Measured Valued |
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Visual examination |
Fuchsine,grey or white, |
Ok |
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Hardness (shore A) |
≮50 |
65~70 |
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Tensile strength (Map) |
≮4 |
4~6 |
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Failure elongation (%) |
≮150 |
≮180 |
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Tearing strength (kN/m) |
≮10 (right angle sample) |
12~15 |
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Volume resistivity (Ω.m) |
1X1012 |
3~8X1012 |
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Puncture strength (kV/mm) |
Alternating current ≮22 |
≮30 |
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Tracking and erosion |
TMA4.5,erosion depth≯2.5mm |
TMA4.5, erosion depth <0.8mm |
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Flammability (Grade) |
FV-0 |
FV-0 |
Sound Testing Equipment
The company is equipped with 1000kV Power Frequency Testing Transformer, 1800kV Impulse Voltage Generator set and 2000kN Automatic Tensile Test Machine, as well as well-equipped Physical Laboratory and Electrical Laboratory.
Advanced Manufacturing Equipments
The company holds the most advanced Automatic Silicone Injection Molding Machines and Voice-operated Displacement Crimping Machines which means the world's most advanced process technology level.
Our company specializes in the production of composite insulators for transmission lines. The main structure is composed of rubber, epoxy glass fiber core and metal end fittings.
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Compared with similar ceramic and glass insulators, silicone rubber insulators have the following advantages:
(1) Small size, light weight (1/7~1/10 times that of ceramic insulators with the same voltage), good elasticity of the shed, not easy to break, convenient transportation and installation, and economical.
(2) High mechanical strength. FRP rods have high tensile strength, which is 5-10 times that of ceramic materials. The cross-section of the core material is small, the product is small in size, light in weight, and high in tensile strength. It is easy to manufacture large-tonnage insulators above 300KN.
(3) High antifouling performance and good aging resistance. The silicone rubber injection molded shed has good hydrophobicity and mobility, which makes the insulator have high anti-pollution flashover voltage and good electrical corrosion resistance.
(4) Easy installation and maintenance, which can greatly reduce maintenance costs caused by power outages and manual labor intensity.
(5) The production process is simple and the delivery time is short.
We have been participating in various exhibitions at home and abroad from 2010 to 2019. At the exhibition, relevant people from the industry and us saw our products directly and closely.
All insulators are packed in weatherproof containers in order to protect the products during land, air and sea transportation. Several different grades of packaging can be offered depending on the mode of transport and the expected storage conditions. Special packaging arrangements can be accommodated upon the users' request.
Each insulator unit is marked with the name or trade mark of the manufacturer and the year of manufacture in accordance with IEC 61952 and means to ensure a system of trace-ability for each of the component parts. In addition, each insulator unit is marked with the specified mechanical failing load in conformity with lEC 61952 and client' requirements.
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1. Q: Are you the factory or trading company?
A: We are factory who was founded in 2008. We also source all the items for the clients.
2. Q: What're your main products?
A: insulators, the hardware of all kinds for high-voltage applications and related products.
3. Q: Can I get some samples?
A: Yes, sample order is available for quality check and market test.
4. Q: What's your payment terms?
A: We usually accept :Payment Term: 30% T/T after order confirmed, balance 70% before shipment. L/C is also available.
5. Q: How can you control your quality?
A: For each production processing, we have a complete QC system for the chemical composition, physical and electrical properties. After production, all the goods will be tested according to related standards, and the ex-factory test reports will be sent along with shipment documents.
6. Q: Does your company accept customization?
A: We accept OEM service.
7. Q: What's your warranty terms?
A: We offer 24 months warranty terms.
8. Q: Do you have the products in stock?
A: Depends on your request, we have standard models in stock. Some special product and big order will be newly produced according to your order.
9. Q: What do you have for the certificate?
A: ISO9001, ISO14001, ISO45001, Type test etc.
10. Q: How to become the agents for Line?
A: We welcome you to be Line's agent.
We will depend on the sales turn over and also do research on your market. If you have interest, let us discuss more!
11.Q: Can we visit your company?
A: Yes, for sure, you are welcome to visit our company.
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