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China Factory Suppliers 0.377 9.58mm 3-Conductor AWG 18 Copper Cable with FEP Insulation and Armor Wires
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0.377 9.58 mm
,3-CONDUCTOR, AWG 18
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High-Quality Copper Conductor
Durable FEP Insulation
Advanced Semi-conducting Filler
Effective Semi-conducting Shield Layer
Robust Inner Armor Wires
Reliable Outer Armor Wires
This product, expertly manufactured in our factory, meets the highest standards for quality and durability. As a trusted supplier based in China, we specialize in providing top-notch wiring solutions that cater to the diverse needs of our clients.
,| Metric | Imperial | |
| Construction | ||
| Copper Construction | 19 × 0.26 mm | 19 × 0.0102" |
| Insulation (FEP) | 2.45 mm | 0.0965" |
| Number and Size of Wires | — | — |
| Inner Armor | 16 × 1.08 mm | 16 × 0.0425" |
| Outer Armor | 20 × 1.19 mm | 20 × 0.0470" |
| Average Wire Breaking Strength | — | — |
| Inner Armor | 1977 N | 444 lbs |
| Outer Armor | 2401 N | 540 lbs |
| Physical | ||
| Cable Diameter | 9.58 mm +0.13 / −0.05 mm | 0.3772" +0.0051" / −0.0019" |
| Cable Weight in Air | 352 kg/km | 236 lbs/kft |
| 1 hr. Max Temp | 232 °C | 450 °F |
| 8 hr. Max Temp | 216 °C | 421 °F |
| Cont. Max Temp | 200 °C | 392 °F |
| Mechanical | ||
| Cable Breaking Strength | 74 kN | 16,650 lbs |
| Maximum Suggested Working Tension | 37 kN | 8,325 lbs |
| Minimum Shave Diameter | 460 mm | 18" |
| Cable Stretch Coefficient | 1.35 m/km/5kN | 1.2 ft/kft/klbs |
| Electrical | ||
| Voltage Rating | 1200 VDC | 1200 VDC |
| Insulation Resistance | 15,000 MΩ·km | 50,000 MΩ·kft |
| Resistance Typical @ 20 °C | 18 Ω/km | 5.5 Ω/kft |
| Capacitance @ 1 kHz | 190 pf/m | 58 pf/ft |
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Frequently Asked Questions
Q1
What type of insulation is used in this cable, and why is it significant?
This cable uses FEP (Fluorinated Ethylene Propylene) insulation with a diameter of 2.45 mm (0.0965"). FEP is chosen for its outstanding thermal stability, chemical resistance, and low friction coefficient, making it ideal for demanding downhole environments where high temperatures and corrosive fluids are present.
Q2
What is the maximum continuous operating temperature of this cable?
The cable is rated for a continuous maximum temperature of 200 °C (392 °F). For short-duration operations, it can withstand up to 232 °C (450 °F) for 1 hour, or 216 °C (421 °F) for 8 hours, providing flexibility across a range of thermal downhole conditions.
Q3
What is the cable's breaking strength and recommended working tension?
The cable has a total breaking strength of 74 kN (16,650 lbs). The maximum suggested working tension is 37 kN (8,325 lbs), which is 50% of the breaking strength. Operating within this limit ensures long-term mechanical integrity and safe deployment in deep-well applications.
Q4
What are the voltage and insulation resistance ratings of this cable?
The cable carries a voltage rating of 1200 VDC, suitable for ESP (Electric Submersible Pump) power delivery. Its insulation resistance is exceptionally high at 15,000 MΩ·km (50,000 MΩ·kft), minimizing leakage current and ensuring safe, efficient electrical performance in wet downhole environments.
Q5
What is the minimum shave (sheave) diameter for this cable, and why does it matter?
The minimum sheave diameter is 460 mm (18"). Using a sheave smaller than this can cause excessive bending stress on the armor wires, leading to fatigue, deformation, or premature failure. Always ensure that drum and sheave equipment used during installation meets or exceeds this specification.
Q6
How does the dual-armor construction improve cable performance?
The dual-armor design features an inner armor of 16 × 1.08 mm wires (breaking strength: 1,977 N / 444 lbs each) and an outer armor of 20 × 1.19 mm wires (breaking strength: 2,401 N / 540 lbs each). This layered structure provides superior crush resistance, tensile strength, and protection against wellbore abrasion, significantly extending cable service life in high-pressure downhole environments.