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Overhead Line Tube (Insulcover)

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Overhead Line Tube (Insulcover) Specification

Tensile Strength
>10 MPa

Operating Temperature
-20C to +80C

Weight
Approx. 0.25 kg per meter

Install Type
Wrap/slide-on over bare conductors

Locking Type
Slit type for easy installation

Features
High dielectric strength, weather-resistant, UV stable, flexible, suitable for outdoor use

Insulation
PVC / Polyolefin double-layer insulation

Dielectiric Strength
>18 kV/mm

Cable Type
Protective tubing sleeve

Diameter
30 mm (internal, can be customized)

Rated Temperature
-20C to +80C

Usage & Applications
Overhead electrical transmission and distribution lines

Conductor Shape
Round (applicable as per conductor shape compatibility)

Product Type
Overhead Line Insulation Cover (Insulcover)

Length
1 meter (customized lengths available)

Voltage
Up to 25 kV

Insulation Material
Polyvinyl Chloride (PVC) / Polyolefin

Application
Protection of bare overhead conductors, electrical insulation, prevention of accidental contact, wildlife protection

Conductor Material
Not applicable (for use with external conductors)

Jacket Material
UV stabilized PVC

Storage Temperature
-10C to +45C

Connector Color
Red / Black (customizable)

Shield Material
None (non-shielded insulation tube)

Jacket Color
Red, Yellow, Black, Green (as per requirement)

Dimension (L*W*H)
1000 mm x 30 mm x 2 mm (typical, customizable)

Material
Heat-resistant Polymeric Material (PVC / Polyolefin blend)

Color
Red / Yellow / Black / Green

Size
30 mm inner diameter (other sizes on request)

Flammability Rating
Self-extinguishing, UL94 V-0

RoHS Compliance
Yes

Weather Resistance
Excellent, suitable for prolonged outdoor exposure

Surface Finish
Smooth, non-stick

Standard Packaging
Individually shrink-wrapped or bundled

Thickness
2 mm standard (customizable)

Compatibility
Suitable for aluminum and copper conductors

Installation Method
Manual with glove protection recommended

UV Resistance
Yes, UV stabilized polymer

About Overhead Line Tube (Insulcover)

Overhead Line Tube (Insulcover)

Overhead Line Tube is a Medium Voltage Line Cover that provides insulation for overhead conductors to help prevent electrical outages caused by trees or wildlife coming into the contact with distribution lines. It is manufactured from high quality Non Tracking Polyolefin material.

FEATURES & BENEFITS:

High Di-electric strength
Excellent UV stabilized & Weather resistant
Tracking & Erosion resistant
Prevent Conductor from Chemical corrosion effected by strong acid, alkali, salt, etc.
Halogen free
Customized dimensions can be produced

Selection Chart

Gala Code
Internal Diameter mm (Min.)
Thickness mm (±0.5)
Packaging (Mtr./Roll)

GOT 1
14.0 mm
2.5
50

Technical Specification

PROPERTIES
VALUE
TEST METHOD

Tensile Strength
10 N/mm2 (Mpa)(min.)
ASTM D638

Ultimate Elongation
500 % (min)
ASTM D638

Density
1.20 ± 0.2 gm/cm3
ASTM D792

Hardness
30 ±5 Shore D
ASTM D2240

Water absorption
0.5 % (max.)
ASTM D570

Accelerated ageing
(90oC for 7 Days)
ASTM D570

a. Tensile Strength
±25% Variation
ASTM D638

b. Ultimate Elongation
±25% Variation
ASTM D638

Low Temperature Flexibility
No Cracking
ASTM D2671

(-40o C for 4 hrs.)

Continuous Temperature Limit
-45 to +105oC

Dielectric Strength
20 KV/mm.(min)
ASTM D149

Volume Resistivity
1 x 10¹⁴ Ohm.cm (min)
ASTM D257

Dielectric constant
5 (max.)
ASTM D150

Resistant to track & erosion
No Tracking, erosion or ASTM flame failure up to 3.25 KV for 20 min.
ASTM D2303

Technical Qualification Report : 1036

* The above mentioned values are typical analytical values obtained on material when tested as per applicable standards under controlled laboratory conditions and should not be construed as specifications for the product.

Superior Protection Against Environmental Hazards

Insulcover is crafted for overhead transmission and distribution lines, providing exceptional resistance to weather, UV rays, and temperature extremes. Its double-layer insulation and smooth, non-stick finish minimize dirt accumulation and enhance durability even under harsh outdoor conditions.

Versatile and Customizable for Various Applications

Compatible with aluminum and copper conductors, Insulcover is available in multiple colors and diameters to meet diverse installation needs. The standard 2 mm thickness and 1-meter length can be tailored for specific requirements, ensuring a secure fit across a range of installations.

Effortless Installation and Lasting Performance

The slit-type design enables easy wrapping or sliding over bare conductors, with manual installation recommended using gloves for added safety. RoHS compliance and a self-extinguishing rating guarantee both environmental responsibility and ongoing operational safety.

FAQ's of Overhead Line Tube (Insulcover):

Q: How is the Overhead Line Tube (Insulcover) installed on conductors?

A: Insulcover is designed for manual installation by wrapping or sliding it over bare aluminum or copper conductors. Its slit-type form allows for easy placement, and the use of gloves is recommended to ensure safe handling during the process.

Q: What are the primary benefits of using Insulcover for overhead lines?

A: Insulcover provides high dielectric strength, excellent weather and UV resistance, and a self-extinguishing flammability rating. These features offer enhanced insulation, reduce the risk of accidental contact, and help prevent damage from wildlife and environmental exposure.

Q: When should Insulcover be used in electrical installations?

A: Insulcover is ideal for use during the installation or upgrade of overhead electrical transmission and distribution lines where insulation, protection from the elements, and prevention of accidental contact are required. It is suitable for both new projects and retrofitting existing lines.

Q: Where can Insulcover be applied?

A: It can be applied to bare overhead aluminum or copper conductors used in outdoor power transmission and distribution. Its durability and UV stabilization make it particularly effective for installations exposed to sunlight and harsh weather conditions.

Q: What types of customization are available for Insulcover?

A: Insulcover offers customizable options, including varying lengths, internal diameters, wall thicknesses, and colors (red, yellow, black, green) to suit specific project or safety requirements.

Q: What materials are used in the construction of Insulcover, and how do they contribute to its performance?

A: Insulcover is constructed from a heat-resistant polymeric blend of PVC and Polyolefin, delivering double-layer insulation that resists high temperatures, UV rays, and mechanical stress while maintaining flexibility and electrical safety.

Q: What is the packaging and storage recommendation for Insulcover?

A: Insulcover is provided either individually shrink-wrapped or bundled for convenience. It should be stored at temperatures between -10C and +45C in a dry, well-ventilated area to maintain its integrity and performance.

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Overhead Line Tube (Insulcover)

Overhead Line Tube (Insulcover) Specification

About Overhead Line Tube (Insulcover)

Overhead Line Tube (Insulcover)

FEATURES & BENEFITS:

Selection Chart

Technical Specification

FAQ's of Overhead Line Tube (Insulcover):

Q: How is the Overhead Line Tube (Insulcover) installed on conductors?

Q: What are the primary benefits of using Insulcover for overhead lines?

Q: When should Insulcover be used in electrical installations?

Q: Where can Insulcover be applied?

Q: What types of customization are available for Insulcover?

Q: What materials are used in the construction of Insulcover, and how do they contribute to its performance?

Q: What is the packaging and storage recommendation for Insulcover?

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