RCS-DWT Heat Shrink Double-Layer Semi-Conductive/Insulation Tubing

(Medium-Voltage Electrical Insulation and Screening Solution)

Product Overview

The RCS-DWT Heat Shrink Tubing is a high-performance medium-voltage solution that features a co-extruded twin-layer design. It combines a semi-conductive outer layer with an insulating inner layer, providing reliable electrical screening and insulation for cable applications up to 15kV. With a 3:1 shrink ratio, it ensures a precise and secure fit across various cable sizes, reducing inventory complexity while delivering optimal protection and performance. This RCS-DWT tubing is designed for use in industrial and power distribution systems, where reliable electrical insulation and screening are critical for maintaining system safety and integrity.

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Description


Key Features

Twin-Layer Construction

The co-extruded twin-layer design integrates a semi-conductive outer layer and an insulating inner layer. This provides comprehensive electrical screening and insulation in a single, reliable composite tube, making it ideal for applications that require both protection and performance in medium-voltage systems.

Shrink Ratio 3:1

The 3:1 shrink ratio allows the RCS-DWT tubing to adapt to a wide range of cable sizes, ensuring a tight, secure fit with minimal inventory. This flexibility simplifies installation and inventory management, as a single size of tubing can cover various cable diameters.

Medium Voltage Compatibility

The RCS-DWT tubing is specifically designed for use in medium-voltage systems up to 15kV, offering superior protection for cables in demanding environments such as power distribution systems and industrial installations. It is engineered to withstand the stresses and electrical challenges of medium-voltage applications, ensuring reliable performance.

Enhanced Durability

The double-layer construction provides robust mechanical protection and excellent environmental resistance. This ensures the tubing’s durability in harsh conditions, making it ideal for use in industrial settings and outdoor installations where environmental factors such as moisture, UV exposure, and temperature fluctuations can compromise performance.


Applications

Electrical Insulation and Screening

The RCS-DWT tubing is perfect for insulating and screening medium-voltage cables in cable joints and terminations. It helps maintain the integrity of electrical systems by ensuring that the cable components are properly insulated and protected from external electrical interference.

Industrial and Power Distribution

Designed for use in industrial and power distribution systems, the RCS-DWT tubing ensures reliable protection for cables in demanding applications. Whether for underground power cables, overhead lines, or industrial equipment, this tubing provides the necessary protection and screening to maintain system performance and safety.


Why Choose RCS-DWT Heat Shrink Tubing?

Seamless Electrical Insulation and Screening
The RCS-DWT tubing combines both semi-conductive and insulating layers in a co-extruded design, offering seamless protection and ensuring reliable electrical insulation and screening. It guarantees effective shielding against electrical interference and environmental factors, maintaining the integrity of medium-voltage systems.

Excellent Adaptability
With its 3:1 shrink ratio, the RCS-DWT tubing adapts to a wide range of cable sizes, ensuring a secure and tight fit. This versatility reduces inventory complexity and makes installation easier and faster, as fewer tubing sizes are required for multiple cable configurations.

Durable and Reliable
The extra heavy wall insulation layer and double-layer construction ensure that the RCS-DWT tubing provides long-lasting protection against mechanical stresses, environmental exposure, and electrical faults. This makes it an ideal choice for demanding industrial applications and environments with high-voltage requirements.

Medium-Voltage Compatibility
The RCS-DWT tubing is specifically engineered for use in medium-voltage applications, making it suitable for systems up to 15kV. Its robust design ensures reliable performance and protection in high-performance power distribution and industrial systems.


Product Specifications

  • Material: Co-extruded twin-layer design (semi-conductive outer layer and insulating inner layer)
  • Shrink Ratio: 3:1
  • Min. Full Recovery Temperature: 130℃
  • Voltage Rating: Suitable for use in systems up to 15kV
  • Standard Colors: Black / Red (custom colors available upon request)
  • Shelf Life: Over 5 years from date of manufacture when stored in a humidity-controlled environment (-10°C to 40°C, relative humidity <75%)
  • Applications: Medium-voltage electrical insulation, cable joints, cable terminations, industrial installations, power distribution systems

Typical technical performances:

Test Items Test Method Test Requirements
Insulation layer
Tensile strength ASTM D 2671 10MPa min.
Ultimate elongation ASTM D 2671 200% min.
Volume resistivity IEC 93 1014Ω.cm max.
Water absorption ISO 62 0.5% max.
Semi-conductive layer
Tensile strength ASTM D 2671 12MPa min.
Ultimate elongation ASTM D 2671 200% min.
Volume resistivity ASTM D 257 104Ω.cm max.

Dimensions:

 

Size(mm) As Supplied(mm) After Recovery(mm) Standard length(m)
D* (Min.) d*(Max.) w(Min.)
RCS-DWT 36/12
36 12 5.4 1.0-1.2
RCS-DWT 45/15
45 15 5.4 1.0-1.2
RCS-DWT 55/18
55 18 5.4 1.0-1.2
RCS-DWT 65/22
65 22 6.0 1.0-1.2
RCS-DWT 73/26
73 26 6.0 1.0-1.2
RCS-DWT 85/30
85 30 6.0 1.0-1.2
RCS-DWT 95/34
95 34 6.0 1.0-1.2
RCS-DWT 100/38
100 38 6.0 1.0-1.2
RCS-DWT 115/34
115 34 6.0 1.0-1.2
RCS-DWT 120/45
120 45 6.1 1.0-1.2

D* = Inner diameter as supplied
d* = Inner diameter after fully recovered

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