Porcelain Spool Insulator

Category:

Voltage: 400v-33kv

Usage: Pull or steer the wire

Color: Brown,grey,white

Type: Strain insulators, reel, shackle, spool insulators

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Product Description

Product Introduction:

The Porcelain Spool Insulator is an advanced insulating component designed for use in high-voltage power systems. These insulators are crafted from high-quality porcelain and are recognized for their excellent dielectric strength and mechanical resilience, making them ideal for various electrical applications.

Product Details:

Material: Made from premium wet process porcelain, ensuring superior strength and electrical insulation properties.
Design: The spool design allows for a large surface area to resist contamination and provides a stable support for conductors.
Application: Suitable for use in transmission lines, substations, and other high-voltage electrical installations where high levels of insulation and mechanical support are required.
Key Features:

High Dielectric Strength: Capable of withstanding high voltages without electrical breakdown, ensuring the safety and reliability of the power system.
Mechanical Resilience: Designed to endure significant mechanical stress, including tension and compression forces common in power lines.
Contamination Resistance: The smooth surface of the porcelain spool helps prevent the accumulation of dirt and dust, reducing the risk of flashover.
Structural Features:

Large Surface Area: The spool shape provides a wide surface area to shed water and resist contamination, maintaining high levels of insulation.
Robust Construction: Built with a solid porcelain structure for durability and long-term performance in outdoor environments.
Galvanized Metal Fittings: Where applicable, metal components such as clamps or fittings are galvanized to prevent corrosion and ensure a secure connection.
Installation Process:

Site Preparation: Ensure the installation site is suitable for the spool insulator, with appropriate support structures in place.
Insulator Attachment: Securely attach the Porcelain Spool Insulator to the support structure, following manufacturer guidelines for proper alignment and torque.
Conductor Connection: Connect the conductors to the insulator, ensuring a secure and electrically sound connection.
Integrity Verification: After installation, perform a thorough inspection to confirm the insulator is correctly installed and functions as intended.
Applicable Environmental Conditions:

Wide Temperature Range: Designed to operate effectively in a broad temperature range, typically from -40°C to +80°C, accommodating various climates.
UV and Weather Resistance: The porcelain material is resistant to UV radiation and can withstand exposure to sunlight without degradation.
Chemical Resistance: Engineered to resist common environmental chemicals and corrosive substances, preserving the insulator’s integrity.
Humidity Tolerance: Built to perform well in high humidity conditions, ensuring reliable performance in damp environments.

Specifications
There are types of spool insulator 53 Series, ED Series and 1617. We can also produce the spool insulator according to the customer requirement.

SPOOL INSULATORS ANS
Type 53-1 53-2 53-3 53-4 53-5
Mechanical Failing Load,kN 8.9 13.3 17.8 20 26.7
Power frequency
Dry Flashover,kV
20 25 25 25 35
Power
Frequency
Wet
Flashover kV
Vertical 8 12 12 12 18
Horizontal 10 15 15 15 25
Dimensions
mm
Height 54 76 81 76 105
Diameter 57 79 76 105 102
Neck Diameter 45 45 45 73 73
Hole Diameter 18 18 18 18 18
Grooves Radius 11 18 11 16 11
Net Weight,kgs 0.2 0.55 0.6 1.1 1.16

BS CLASS Type ED-2 ED-2B ED-3 1617
Mechanical Failing Load,kN 10 12.5 8 15
Power
Frequency
Wet
Flashover kV
Dry 18 23 16 20
Wet 9 12 7 9
Dimensions
mm
Height 75 76 65 65
Diameter 80 86 70 76
Neck Diameter 42 48 36 46
Hole Diameter 20 21 16 17.5
Grooves Radius 10 10 8 9
Net Weight,kgs 0.4 0.48 0.25 0.4

Product Advantages
1. Dual Insulation: Provide insulation for both primary and secondary conductors. Spool insulators are designed to effectively insulate electrical conductors, regardless of their voltage level, ensuring that both primary high-voltage and secondary lower-voltage conductors are securely isolated from each other and the supporting structures.
2. Mounting Convenience: Feature a central hole and outer groove for easy wire installation. The central hole allows for straightforward attachment to supporting structures such as poles or walls, while the outer groove accommodates the conductors, making the process of securing and positioning the wires quick and efficient.
3. Versatile Placement: Commonly used on racks at building sides and poles. Their design flexibility allows spool insulators to be mounted in various locations, whether on the sides of buildings for urban installations or on utility poles in more rural or open areas, making them suitable for a wide range of electrical distribution setups.
4. Wire Transposition: Facilitate wire crossing in transposition scenarios. In situations where wires need to cross or change positions, spool insulators provide a reliable solution that helps maintain proper spacing and prevents electrical contact, ensuring the safe and organized routing of conductors.
5. Durability: Made from robust materials, ensuring longevity. Constructed from high-quality materials such as porcelain or polymer, spool insulators are designed to withstand environmental stresses, including UV radiation, extreme temperatures, and mechanical impacts, ensuring a long service life with minimal maintenance.
6. Secure Installation: Use various clevis mounting configurations for stability. The ability to use different clevis mounting configurations enhances the stability and security of the installation, ensuring that the insulators remain firmly in place even under the tension of the conductors and adverse weather conditions.

Application Places
Porcelain spool insulators, also known as shackle insulators, are used primarily in low voltage power lines to provide insulation and support for conductors. They are often installed on building racks where wires enter structures, and they can also be used for wire transposition, allowing wires to cross each other. These insulators are made from high-quality porcelain that is vitrified and glazed to ensure durability and resistance to environmental factors.
Their applications include use in distribution systems, overhead lines, and as part of electrical fittings to simplify the structure of electrical systems. They are customizable in size and color, making them versatile for various electrical transmission needs.

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Why choose us?

Professional

20+ years cable export experience, with full knowledges of all kinds STANDARDS, we have EN/ES/FR sales for deep communications.

Professional

20+ years cable export experience, with full knowledges of all kinds STANDARDS, we have EN/ES/FR sales for deep communications.
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Fast Delivery

Our factory has sufficient capacity, and we can generally complete production for most orders within 2 ~ 3 weeks, maximum 1 ~ 1.5 months.

Fast Delivery

Our factory has sufficient capacity, and we can generally complete production for most orders within 2 ~ 3 weeks, maximum 1 ~ 1.5 months.
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Good Price

Relying on robust Chinese cable manufacturing supply chain enables us to maintain low costs, to offer competitive cable products to our customers.

Good Price

Relying on robust Chinese cable manufacturing supply chain enables us to maintain low costs, to offer competitive cable products to our customers.
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High Quality

We have complete cable type tests and a quality inspection process, supporting customer or third-party quality acceptance to ensure we deliver high-quality products.

High Quality

We have complete cable type tests and a quality inspection process, supporting customer or third-party quality acceptance to ensure we deliver high-quality products.
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FAQs

Who are we?

We are Manufacturer more than 21 years experience in Binzhou City, shangdong, China. We start from 2004, sell to Domestic Market(52.00%), Eastern Asia(25.00%), Africa(10.00%), Mid East(6.00%),Southeast Asia(4.00%),South Asia(3.00%). There are total about 301-500 people in our office.

Always a pre-production sample before mass production; Always have strict control of the quality from the raw material to finished products according to ISO9001 QC system before shipment.

House eletric wire, Anti-aging wire, Solar PV cable, Control cable, Shielded computer cable, Low/Medium/High Voltage power cable, Aluminum alloy cable, Aerial insulated cable, Steel core aluminum standed wire, LSZH cable, Fireproof cable, Wind power cable, EV charging cable, Energy storage cable, Mining cable, etc.

hengwang cable company has passed ISO9001 quality management system, ISO14001 environmental management system, ISO45001\German TUV certification\CE certification, the company is a finalist for the state power grid and a national”High-tech Enterprise.

Accepted Delivery Terms: FOB,CFR,EXW,FAS,DDP; Accepted Payment Currency:USD,EUR,CAD,AUD,GBP,CNY; Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,Western Union,Cash; Language Spoken:English,Chinese,Japanese,German,Russian

Yes, we have production line for packing box and cartons. we can make it according to your special requirement. If you are interested in our goods , please kindly send an inquiry to us !

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