For water
Installation wire for submersible motors with PE sheath
VPP is a specialised installation wire for connecting submersible motors. A copper conductor with polyethylene insulation and sheath. It is used in borehole pumps, for pumping water out of mines and in flooded open pits. Designation breakdown: V – submersible, P – polyethylene insulation, P – polyethylene sheath.
Sizes with technical specifications.
| Type | Conductor ⌀, mm | Insulation thickness, mm | Sheath thickness, mm | Outer ⌀, mm | Weight, kg/km |
|---|---|---|---|---|---|
| VPP 1.5 | 1.40 | 0.8 | 1.0 | 6.2 | 30 |
| VPP 2.5 | 1.80 | 0.8 | 1.0 | 6.6 | 42 |
| VPP 4 | 2.26 | 0.8 | 1.0 | 7.0 | 62 |
| VPP 6 | 2.76 | 0.8 | 1.0 | 7.6 | 85 |
| VPP 10 | 3.57 | 1.0 | 1.2 | 9.1 | 135 |
| VPP 16 | 4.50 | 1.0 | 1.2 | 10.1 | 195 |
| VPP 25 | 5.65 | 1.2 | 1.4 | 12.0 | 290 |
| VPP 35 | 6.70 | 1.2 | 1.4 | 13.1 | 385 |
| VPP 50 | 7.95 | 1.4 | 1.6 | 15.0 | 530 |
| VPP 70 | 9.60 | 1.4 | 1.6 | 16.6 | 720 |
VPP is a specialised wire for submersible electrical installations. It is designed to supply power to devices located in water. The classic application is submersible borehole pumps for the water supply of residential and industrial facilities and for irrigation systems.
The construction differs from an ordinary installation wire in two key respects: the polyethylene insulation is completely waterproof and resistant to chlorinated water and to the chemical agents present in borehole water; the polyethylene sheath is dense and withstands hydrostatic pressure at depths of up to 350 m. It operates at temperatures up to +80°C, which is important for prolonged pump operation under load. Service life in water is at least 10 years.
Conductor
Stranded compacted copper.
Insulation
Polyethylene. Resistant to water, chlorinated solutions and oils.
Sheath
Polyethylene. Dense and completely waterproof. Withstands water pressure at depths of up to 350 m.
VPP cross-section – copper conductor in double PE insulation (insulation + sheath)
Detailed specifications – see the TCG datasheet
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