FRP Distribution Poles (≤35 kV)
Fiberglass poles that replace wood, steel and concrete in medium-voltage overhead lines.
Fiberglass distribution poles replace wood, steel and concrete poles in medium-voltage overhead lines. Pultruded or filament-wound from E-glass roving and UP/VE resin, they are non-conductive — linemen can work closer to live conductors without the pole itself tracking to ground — and immune to rot, insect attack and salt-spray corrosion. Their smooth, track-free surface eliminates the leakage-current flashover path that plagues wet wood poles.
Key Specifications
| Item | Typical range |
|---|---|
| Pole length | 8 m – 15 m |
| Shaft | Cylindrical or tapered (1:75 taper typical) |
| Wall thickness | 4 mm – 10 mm (by class & span) |
| Fiber content | 65% – 75% by weight |
| Ground-line failure load | 4 kN – 12 kN (cantilever test per ASTM D1036 method, reference) |
| Service voltage | Up to 35 kV distribution lines |
| Operating temperature | −40 °C – +80 °C typical |
Industry-typical parameters; subject to our confirmed products.
Resin system: General-purpose UP standard; vinyl ester (VE) option for coastal / chemical atmospheres. Options: base flange or embedded base; galvanized / 316 stainless end fittings; brackets per drawing.
Applications
Rural and urban distribution network upgrades, replacement of decaying wood poles, substations and chemical-plant feeders.
Frequently Asked Questions
How strong is a fiberglass distribution pole?
We design wall thickness and fiber content to your bending-moment requirement; the ground-line failure load is verified by static cantilever tests following the ASTM D1036 method. Actual tested values: 【to be filled: our test report】.
Are FRP poles non-conductive?
Yes — the composite shaft is insulating, which improves live-line safety and eliminates fault-energized poles.
What standards do you reference?
We build to GB/T 41491-2022 (composite poles for distribution networks) and reference the ACMA FRP Utility Pole Specification and ASTM D8019 / G154 test methods.
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