LSZHFR Ltd – PVC Pipe Manufacturer & Electrical Conduit Supplier

About LSZHFR Ltd & Dietzel Univolt

LSZHFR Ltd is the appointed marketing and business development partner for Dietzel Univolt GmbH, a pioneering Austrian PVC pipe manufacturer with a legacy spanning over eight decades. We ensure reliable supply and technical support across China, Hong Kong, Macau, and South Asia.

A Legacy of Innovation Since 1938

Dietzel Univolt introduced the first rigid conduit to the market shortly after its founding in 1938. This was followed by the development of plastic flexible conduit, PVC electrical conduit, fittings, and trunking systems—culminating in a complete electrical cable management solution.

In 1988, Dietzel Univolt achieved a major milestone by becoming the first Austrian PVC pipe manufacturer to establish production in China, laying the foundation for expansion into Southeast Asian markets.

Today, Univolt products are installed in major construction projects across five continents, with manufacturing facilities in China, Vienna, and Slovakia.

Univolt Global Expansion

1960 – Germany

Dietzel Electro GmbH, Fürth

1982 – Canada

UNIVOLT-Canada Ltd., Toronto

1986 – Australia

CLIPSAL-Extrusion Pty., Adelaide

1988 – China

BOWDEN Extrusion (HK) Ltd., Hong Kong

1989 – China

CLIPSAL-UNIVOLT Extrusion Ltd., Huizhou

1990 – England

UNIVOLT (UK) Ltd., London

1992 – Hungary

UNIVOLT Hungária Kft., Budapest

1994 – Slovakia

UNIVOLT-REMAT Pezinok

2006 – China

UNIVOLT Extrusion (Dongguan) Co. Ltd., Dongguan

Our Product Range

Over 10,000 items designed for safety, durability, and compliance with international standards including IEC 61386, BS 61386, and EN 50085.

Rigid PVC Conduit

High-strength, flame-retardant rigid conduit ideal for industrial and commercial installations. Compliant with IEC 61386 and BS 61386 standards.

Flexible PVC Pipe

Durable and bendable conduit for complex routing in tight spaces. Offers excellent protection against mechanical stress and environmental factors.

Low Smoke Halogen Free (LSZH-FR) Conduit

Critical for fire safety—emits minimal smoke and no toxic halogens during combustion. Ideal for public buildings, tunnels, and transport systems.

HFT Flame Retardant Tubing

High Flame Temperature resistant conduit designed for extreme conditions. Ensures circuit integrity during fire events.

PVC Fittings

Complete range of couplings, elbows, connectors, and adaptors for seamless integration with rigid and flexible conduit systems.

Electrical Junction Boxes

Robust, flame-retardant junction boxes for safe cable termination and distribution points. Available in multiple sizes and configurations.

Trunking for Cables

Surface-mounted cable trunking systems compliant with EN 50085. Ideal for retrofitting and modern office environments.

Flame Retardant Polypropylene Pipe

Lightweight, chemical-resistant conduit suitable for corrosive environments. Offers excellent flame retardancy and low smoke emission.

Protective Electrical Conduit

Heavy-duty conduit systems for industrial applications requiring high impact resistance and long-term durability.

PVC Pipes and Fittings – Extended Range

Comprehensive selection for specialized applications including high-temperature, UV-resistant, and anti-static variants.

Univolt Full Product Catalogue

Download our complete PDF catalogue featuring over 10,000 items including PVC, LSOH, HFT, and LSZH-FR conduit systems.

View Catalogue Online →

Connect With Us on LinkedIn

Stay updated with the latest industry news, project highlights, and product launches from LSZHFR and Dietzel Univolt.

Visit Our LinkedIn Page →

Why Choose Univolt Conduit Systems?

Engineered for safety, compliance, and long-term performance in critical infrastructure.

Fire Safety Certified

Our LSZH-FR and HFT conduits meet stringent fire safety requirements, minimizing smoke and toxic gas emissions during combustion.

Global Standards Compliance

Fully compliant with IEC 61386, BS 61386, EN 50085, and other international standards for electrical conduit and trunking systems.

85 Years of Manufacturing Excellence

Trusted by engineers and contractors worldwide for reliability, durability, and technical innovation since 1938.

Global Project References

Univolt conduit systems are installed in major construction projects across five continents.

Hong Kong International Airport

Extensive use of LSZH-FR conduit in terminal electrical systems for enhanced fire safety.

London Underground Upgrade

HFT flame retardant conduit used in tunnel lighting and signaling infrastructure.

Shanghai Tower

High-rise installation using rigid PVC and trunking systems for vertical cable routing.

Toronto Transit Commission

Flexible conduit deployed in subway car electrical systems for vibration resistance.

Sydney Metro

Low smoke halogen-free conduit specified for all underground stations and tunnels.

Vienna Central Railway Station

Trunking and junction box systems used in passenger concourse lighting and power distribution.

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Trusted PVC Pipe Manufacturer for Global Electrical Conduit Systems