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High-Quality Insulators for Transmission Lines & Substations

Engineered for reliability, performance, and long-term durability in the most demanding electrical environments.

Explore Our Products

About Hivolt Insulators

Dalian Hivolt Power System Co., Ltd. is a leading manufacturer of high-voltage insulators for transmission and substation applications. With years of engineering excellence and a commitment to quality, we deliver reliable solutions trusted by power utilities and infrastructure developers worldwide.

Our mission is to provide advanced insulating solutions that ensure the safe, efficient, and uninterrupted transmission of electrical energy across diverse environments—from urban grids to remote high-altitude regions.

  • ISO-Certified Manufacturing
  • Global Presence in 50+ Countries
  • R&D-Driven Innovation
  • Full Compliance with IEC & ANSI Standards
Hivolt Manufacturing Facility

Our Products

Premium insulators engineered for performance, safety, and longevity.

Porcelain Insulators

Porcelain Insulators

High-strength, weather-resistant porcelain insulators for overhead lines and substations. Ideal for high pollution and coastal environments.

  • Rated Voltage: 11kV – 500kV
  • Material: High-alumina porcelain
  • Standards: IEC 60383, ANSI C29
Composite Insulators

Composite Insulators

Lightweight, hydrophobic silicone rubber insulators with excellent pollution performance and anti-icing capabilities.

  • Rated Voltage: 11kV – 765kV
  • Core: Fiberglass reinforced
  • Hydrophobicity Class: HC1–HC2
Glass Insulators

Glass Insulators

Tempered glass insulators with high mechanical strength and self-cleaning properties. Shatterproof design ensures safety.

  • Rated Voltage: 11kV – 400kV
  • Material: Toughened glass
  • Leakage Distance: Up to 32 mm/kV
Hollow Porcelain Insulators

Hollow Porcelain Insulators

Used in circuit breakers, transformers, and bushings. High dielectric strength and thermal shock resistance.

  • Diameter: 100–1200 mm
  • Height: 500–6000 mm
  • Application: GIS, Bushings, CT/VT
Disc Insulators

Disc Insulators

Standard cap-and-pin type porcelain or glass discs for suspension and tension strings in transmission lines.

  • Rated Load: 70kN – 300kN
  • Diameter: 255mm, 280mm, 320mm
  • Standard: IEC 60120
Pin Insulators

Pin Insulators

Used for low and medium voltage distribution lines. Robust design with excellent creepage performance.

  • Voltage Class: 11kV, 33kV
  • Type: Single or double petticoat
  • Material: Glazed porcelain
Station Post Insulators

Station Post Insulators

High mechanical strength posts for substation bus support. Designed for seismic and wind load resistance.

  • Height: 1m – 6m
  • Bending Load: 6kN – 20kN
  • Material: Porcelain or composite
Line Post Insulators

Line Post Insulators

Used in distribution networks for dead-end and angle support. Composite versions offer lightweight installation.

  • Voltage: 15kV – 38kV
  • Load Capacity: 1.2kN – 5kN
  • Options: Porcelain or silicone

Technology & Innovation

At the forefront of insulator engineering and manufacturing excellence.

Advanced Manufacturing

Hivolt has recently installed two state-of-the-art kilns dedicated to hollow porcelain insulator production, enhancing consistency, thermal control, and output capacity.

Our porcelain manufacturing process includes precise raw material blending, automated pressing, high-temperature firing (up to 1300°C), and rigorous glazing for maximum dielectric performance.

Composite insulators are produced using advanced injection molding and high-voltage testing to ensure long-term hydrophobicity and resistance to electrical tracking.

IEEE 2024 PES T&D Conference

We proudly participated in the IEEE PES T&D Conference & Exposition in Anaheim, CA (May 6–9, 2024), showcasing our latest innovations in high-voltage insulation systems.

Quality Control

Every insulator undergoes 100% electrical, mechanical, and visual inspection. We comply with IEC, ANSI, and customer-specific testing protocols.

Global Standards Compliance

Our products meet or exceed IEC 60383, IEC 60120, ANSI C29, and other international standards for electrical and mechanical performance.

50+
Countries Served
20+
Years of Experience
10M+
Units Delivered
99.8%
Reliability Rate

Frequently Asked Questions

What types of insulators does Hivolt manufacture?

We manufacture porcelain, composite, and glass insulators including disc insulators, pin insulators, hollow insulators, station posts, and line posts for transmission and distribution networks.

Do your products meet international standards?

Yes, all our insulators comply with IEC, ANSI, and other relevant international standards. We provide full test reports and certification upon request.

Can you customize insulators for specific projects?

Absolutely. We offer OEM/ODM services and can customize dimensions, mechanical load ratings, creepage distances, and materials based on project requirements.

What is the delivery time for bulk orders?

Typical lead time is 4–8 weeks depending on product type and order volume. We offer expedited shipping for urgent projects.

Contact Hivolt Insulators

Get in touch with our team for product inquiries, technical support, or partnership opportunities.

Address:

No.2804, 75 Huili Street, Ganjingzi District, Dalian, China

Phone:

+86-411-8495 0806

+86-411-8276 4194

Email:

canning@hivoltinsulators.com

hivoltinsulators@gmail.com

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