Heat Shrink End Cap with Pressure Valve
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Cable End Caps - Heat Shrink End Cap with Pressure Valve
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Heat Shrink End Caps with Pressure Valve are used for sealing the ends of Telecommunication cables which is always pressurized. The caps are manufactured from High quality Cross-linked Rigid Polyolefin material with special adhesive to withstand the constant high pressure upto 2 bar and high temperature upto 70°C.
The function of the Pressure Valve is to allow pressure to apply internally to the cable; thereby helping to create a resistant seal to atmospheric conditions.
Features and Benefits
- Compatible with most commonly used Cable Jackets i.e. XLPE, PVC, PILC or Rubber Sheathed Cable
- Hot Melt adhesive lining provides permanent seal on irregular cable sheaths.
- An excellent resistance to weathering, moisture, contamination and adverse environmental conditions, according to IP 68 (Ingress Protection).
SELECTION CHART
| Code No. | Ds (Min.) | Df (Max.) | Ls (Min.) | Tf (±10%) | Cable Range |
|---|---|---|---|---|---|
| GEC-H 102 V | 30 | 11 | 75 | 2.5 | 13 – 26 |
| GEC-H 201 V | 40 | 15 | 90 | 3.3 | 17 – 35 |
| GEC-H 301 V | 55 | 25 | 125 | 3.5 | 30 – 47 |
| GEC-H 401 V | 75 | 35 | 140 | 4.0 | 42 – 68 |
| GEC-H 501 V | 100 | 45 | 160 | 4.0 | 55 – 90 |
| GEC-H 601 V | 130 | 60 | 160 | 4.6 | 75 – 120 |
D : Internal Diameter ; s : as supplied ; f : after free recovery
TECHNICAL SPECIFICATION
| PROPERTIES | VALUE | STANDARD |
|---|---|---|
| Physical | ||
| Tensile Strength | 15 N/mm² (Mpa) (min.) | ASTM D638 |
| Ultimate Elongation | 400 % (min) | ASTM D638 |
| Density | 0.96 ± 0.1 gm/cm² | ASTM D792 |
| Hardness | 55 ±10 Shore D | ASTM D2240 |
| Water absorption | 0.2 % (max.) | ASTM D570 |
| Thermal | ||
| Accelerated ageing | (120°C for 500 hrs) | ASTM D2671 |
| Tensile Strength | 13 N/mm² (Mpa) (min.) | ASTM D638 |
| Ultimate Elongation | 350 % (min.) | ASTM D638 |
| Low Temperature Flexibility (-40°C for 4 hrs.) | No Cracking | ASTM D2671 |
| Heat Shock (250°C for 30 min.) | No cracking or flowing | ESI 09-11 |
| Shrink Temperature | 125°C | IEC 216 |
| Continuous Temperature Limit | -40 to +100°C | IEC 216 |
| Electrical | ||
| Dielectric Strength | 12 KV/mm.(min) | ASTM D149 |
| Volume Resistivity | 1 x 10¹⁴ Ohm.cm (min) | ASTM D257 |
| Dielectric constant | 5 (max.) | ASTM D150 |
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