33kV Transmission Tower
33kV transmission towers are used in medium-voltage power lines, offering reliable support, easy installation and low maintenance for safe and efficient electricity delivery.
Product Overview
ZZ Steel 33kV transmission towers are designed and manufactured to IEC, ASTM, AS/NZS and GB standards for urban power grids, rural electrification and industrial transmission projects.
Product Type33kV Transmission Tower
Voltage Level33kV
MaterialQ235B / Q355B / Q420B
Surface TreatmentHot Dip Galvanized
Galvanizing StandardISO 1461 / ASTM A123
Design StandardIEC 60826 / ASTM A36 / AS/NZS 7000
Wind SpeedUp to 60m/s
Seismic IntensityUp to 9 degree
Service LifeMore than 30 years
Key Features
Optimized Design
Project-specific structural design for reliable loading performance.
High Strength Steel
Quality steel provides excellent mechanical strength and durability.
Hot Dip Galvanized
Long-term corrosion protection in harsh environments.
Easy Installation
Bolted connections simplify transport and field erection.
Custom Engineering
Tailored configurations for line, terrain and loading needs.
Types of 33kV Transmission Towers
Suspension Tower
Tension Tower
Dead End Tower
Angle TowerTerminal TowerTechnical Specifications (Example)
| Voltage Level (kV) | Circuit | Tower Height (m) | Cross Arm (m) | Wind Load (m/s) | Conductor Type | Design Standard |
|---|---|---|---|---|---|---|
| 33 | Single Circuit | 15–30 | 1.6–2.0 | Up to 60 | ACSR / AAC | IEC 60826 |
| 33 | Single Circuit | 16–35 | 1.6–2.0 | Up to 60 | ACSR / AAC | IEC 60826 |
| 33 | Double Circuit | 20–36 | 2.0–2.5 | Up to 60 | ACSR / AAC | IEC 60826 |
| 33 | Double Circuit | 22–38 | 2.0–2.5 | Up to 60 | ACSR / AAC | IEC 60826 |
| 33 | Double Circuit | 25–40 | 2.5–3.0 | Up to 60 | ACSR / AAC | IEC 60826 |
Reference data only. Final dimensions are engineered to project requirements.
Manufacturing Process
01 · Raw MaterialCertified steel inspection
02 · CuttingPrecision CNC cutting
03 · WeldingControlled strong joints
04 · Trial AssemblyAccurate fit-up checking
05 · GalvanizingISO 1461 protection
06 · InspectionFinal quality control
07 · Packing & DeliverySecure export packingProject Cases
Africa Power Project
Middle East Grid ProjectSoutheast Asia Transmission
South America Power ProjectLooking for reliable 33kV Transmission Tower solutions?
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