WTLZ bimetal cable tubes prevent copper-aluminum corrosion through welded bonding, ensuring tight crimping and stable electrical performance in distribution systems.
WANGYUAN WTLZ Series Bimetal Cable Tube are designed for transition splicing between copper and aluminum power cables in distribution systems. The copper and aluminum sections are firmly bonded via bimetallic welding technology, fundamentally inhibiting electrochemical corrosion caused by direct connection of dissimilar metals. With a precision-machined tube structure and complete specification range, it ensures tight crimping and stable electrical performance, complying with relevant international power standards for reliable long-term service.
| Type | Dimensions(mm) | ||
|---|---|---|---|
| d | D | L | |
| WTLZ-16 | 5 | 5.5 | 58 |
| WTLZ-25 | 6.5 | 5.5 | 59 |
| WTLZ-35 | 8 | 6.5 | 71 |
| WTLZ-50 | 10 | 7.5 | 74 |
| WTLZ-70 | 11 | 9.5 | 88 |
| WTLZ-95 | 13 | 11 | 94 |
| WTLZ-120 | 15 | 11 | 97 |
| WTLZ-150 | 16.5 | 11 | 108 |
Material:Copper.Aluminium
| Type | D | d | D1 | d1 | L | L1 | L2 |
|---|---|---|---|---|---|---|---|
| GTL-10 | 9 | 4.5 | 9 | 4.2 | 70 | 28 | 28 |
| GTL-16 | 9 | 5.5 | 9 | 5 | 75 | 31 | 28 |
| GTL-25 | 12 | 7 | 10 | 5.5 | 80 | 32 | 30 |
| GTL-35 | 14 | 8.5 | 11 | 7 | 90 | 37 | 32 |
| GTL-50 | 16 | 9.5 | 13 | 8.5 | 95 | 42 | 34 |
| GTL-70 | 18 | 12 | 15 | 9.6 | 100 | 46 | 35 |
| GTL-95 | 21 | 13 | 17 | 12 | 110 | 50 | 41 |
| GTL-120 | 23 | 15 | 19 | 13 | 112 | 52 | 43 |
| GTL-150 | 25 | 16 | 21 | 15 | 118 | 55 | 46 |
Firm bonding between copper and aluminum sections effectively suppresses electrochemical corrosion of dissimilar metals, avoiding joint failure and keeping contact resistance stable under long-term current load.
Made of high-purity copper and electrical-grade aluminum, it delivers excellent electrical conductivity; the precision-formed tube structure ensures uniform crimping deformation and reliable tensile strength, with no loosening or fracture under line tension.
Full model lineup covers multiple cable cross-sections, adapting to various copper-aluminum cable splicing demands in distribution networks, electrical equipment and construction projects.
Standard dimensional design matches common crimping tools, enabling simple and fast on-site operation, effectively improving construction efficiency and reducing labor cost.
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