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Heavy Duty Conduit

Built for maximum protection and performance, our heavy duty conduit range is designed to tackle Australia’s toughest electrical installs. Whether you’re running underground mains, exposed outdoor wiring, or high-risk industrial systems, this range delivers durability, impact resistance, and long-term reliability. Choose from hot dip galvanised steel, 316 stainless steel, UV-stabilised PVC, and oil/heat-resistant flex—perfect for corrosive, wet, or high-temperature environments. Stocking leading brands like Tradepro and Repelec, we offer sizes from 16mm up to 63.5mm and lengths up to 6 metres. All options comply with relevant standards and are backed by trade pricing. 

Get heavy-duty protection that lasts—shop online at SCHNAP.

$1,116.50 $922.40
Flexible Metal Conduit designed for high crush resistance, featuring a durable zinc galvanised steel core and a thermoplastic PVC jacket. With an IP67 rating, it's perfect for protecting electrical cables in harsh environments, both indoors and outdoors. Ideal for applications exposed to sunlight, oil, and chemicals, this conduit ensures reliable performance and longevity.
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$1,159.50 $958.00
Flexible Metal Conduit designed for high crush resistance and liquidtight applications, ideal for protecting cables in harsh environments. With a 95mm diameter and a temperature range of –46°C to +105°C, this conduit is perfect for both indoor and outdoor electrical installations. Its durable construction ensures long-lasting performance against dust, moisture, and chemicals, making it a reliable choice for industrial, commercial, and residential wiring.
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$845.50 $698.60
Flexible Metal Conduit designed for high crush resistance, featuring a durable zinc galvanised steel core and a thermoplastic PVC jacket. Ideal for protecting electrical cables in harsh industrial environments, this conduit offers liquid and dust tight protection with an IP67 rating when installed with approved connectors. Perfect for both indoor and outdoor applications, it withstands extreme temperatures from –46°C to +105°C.
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$539.70 $445.90
Flexible Metal Conduit designed for high crush resistance and liquidtight applications, ideal for protecting electrical cables in harsh environments. With a durable construction of interlocked zinc galvanised steel and a sunlight resistant PVC jacket, it withstands temperatures from -46°C to +105°C. Perfect for both indoor and outdoor use, this conduit ensures reliable cable routing in industrial settings.
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$1,688.90 $1,395.40
Flexible Metal Conduit with high crush resistance and liquidtight features is perfect for protecting cables in harsh environments. Designed for industrial, commercial, and residential applications, it withstands temperatures from -46°C to +105°C and offers IP67 protection when installed with approved connectors. Its durable construction ensures long-lasting performance, making it an ideal choice for areas exposed to dust, moisture, and mechanical impact.
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$7,842.70 $6,479.80
Flexible Metal Conduit designed for electrical wiring protection, featuring a low smoke zero halogen TPU jacket and an IP66/67 rating for liquid-tight applications. Ideal for industrial and commercial installations, this conduit offers exceptional crush and corrosion resistance, making it perfect for harsh environments and extreme temperatures.
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$9,058.70 $7,484.40
Flexible Metal Conduit designed for electrical wiring protection, featuring a low smoke zero halogen TPU jacket and an IP66/67 rating when installed with approved fittings. Ideal for industrial and commercial installations, this conduit offers exceptional crush and corrosion resistance, making it perfect for harsh environments and extreme temperature applications.
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$5,158.90 $4,262.40
Flexible Metal Conduit Zero Halogen is designed for optimal cable protection in restricted ventilation areas, featuring a 32mm diameter and a durable TPU jacket that is flame retardant and sunlight resistant. Ideal for industrial and commercial electrical installations, this conduit ensures low smoke emissions and is compliant with UL Standard 360, making it perfect for environments requiring high safety standards.
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$4,848.70 $4,006.00
Flexible Metal Conduit Zero Halogen is designed for optimal cable protection in restricted ventilation areas, featuring a durable 50mm diameter and low smoke emissions. Ideal for industrial and commercial electrical installations, this conduit is constructed with a flame retardant TPU jacket and offers IP67 protection when installed with approved connectors, ensuring safety and compliance in various environments.
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$3,724.40 $3,077.20
Flexible Metal Conduit Zero Halogen is designed for optimal cable protection in restricted ventilation areas, featuring a 40mm diameter and a durable TPU jacket that is flame retardant and sunlight resistant. Ideal for industrial and commercial electrical installations, this conduit ensures safety with its low smoke and zero halogen properties, making it perfect for environments requiring high safety standards.
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$1,975.60 $1,632.30
Flexible Metal Conduit Zero Halogen is designed for optimal cable protection in restricted ventilation areas. With a durable 20mm diameter and low smoke emissions, it's perfect for industrial and commercial electrical installations. This conduit is constructed from hot dipped zinc galvanized steel, ensuring exceptional crush resistance and compliance with UL Standard 360, making it ideal for extreme temperature applications.
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$6,891.60 $5,693.90
Flexible Metal Conduit Zero Halogen is designed for superior cable protection in restricted ventilation areas. With a durable 63mm diameter and low smoke, flame retardant properties, it’s perfect for industrial and commercial electrical installations. This conduit is IP67 rated when installed with approved connectors, ensuring safety in extreme temperature applications and direct burial scenarios.
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$22,607.10 $18,678.20
Flexible Metal Conduit Zero Halogen is designed for optimal cable protection in restricted ventilation areas, featuring a durable 63mm diameter and low smoke TPU jacket. Ideal for industrial and commercial electrical installations, it ensures safety with its IP67 rating and compliance with UL Standard 360, making it perfect for environments requiring zero halogen emissions.
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$1,304.10 $1,077.50
Flexible Metal Conduit Zero Halogen is designed for optimal cable protection in restricted ventilation areas, featuring a durable 25mm diameter and low smoke, flame retardant TPU jacket. Ideal for industrial and commercial electrical installations, it ensures compliance with UL Standard 360 and offers IP67 protection against dust and liquids, making it perfect for both exposed and concealed applications.
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$14,718.90 $12,160.90
Flexible Metal Conduit Zero Halogen is designed for superior cable protection in restricted ventilation areas, featuring a 25mm diameter and an IP67 rating for dust and liquid tightness. Ideal for industrial and commercial electrical installations, this conduit is constructed with a durable, low smoke, flame retardant TPU jacket, ensuring safety and compliance in environments requiring zero halogen emissions.
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$2,608.50 $2,155.20
Flexible Metal Conduit Zero Halogen is designed for optimal cable protection in restricted ventilation areas, featuring a durable 25mm diameter and a low smoke, flame retardant TPU jacket. Ideal for industrial and commercial electrical installations, it ensures compliance with UL Standard 360 and provides IP67-rated dust and liquid tight protection, making it perfect for extreme temperature applications.
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$1,651.60 $1,364.60
Flexible Metal Conduit Zero Halogen is designed for optimal cable protection in restricted ventilation areas. With a durable 16mm diameter and IP67 rating, it’s perfect for both exposed and concealed installations. Built from hot dipped zinc galvanized steel and a flame retardant TPU jacket, this conduit ensures safety in environments requiring low smoke emissions, making it ideal for industrial and commercial applications.
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Built Like a Tank: A Pro's Guide to Heavy Duty Conduit

For some jobs, standard electrical conduit just won't survive. When you're wiring up a factory floor, running underground mains, or working in a corrosive coastal environment, you need to step up to the next level of protection. Heavy duty conduit is the no-compromise solution, engineered to provide the ultimate in mechanical strength and environmental resistance for your critical cabling.

At SCHNAP, our heavy duty conduit range is designed to tackle Australia’s toughest electrical installs, giving sparkies and contractors the confidence that their work is protected and built to last.

Choosing the Right Armour for Your Cables

The environment of your job site will determine the best material for maximum protection.

  • Hot Dip Galvanised Steel Conduit: The classic heavy-hitter. Renowned for its exceptional impact and crush resistance, galvanised steel conduit is the perfect choice for protecting wiring in workshops, factories, and any area with a high risk of mechanical damage.
  • 316 Stainless Steel Conduit: The ultimate choice for corrosion resistance. 316 stainless steel conduit is a must-have for food processing plants, chemical facilities, marine environments, and coastal areas where salt spray and harsh chemicals would destroy other materials.
  • Heavy-Duty UV-Stabilised PVC Conduit: The tough, non-corrosive workhorse for underground mains and exposed outdoor wiring. Unlike standard PVC, our heavy-duty conduit has a thicker wall for greater impact strength and is UV-stabilised to withstand the harsh Aussie sun for decades without becoming brittle.
  • Oil & Heat-Resistant Flexible Conduit: The ideal solution for the final connection to heavy machinery. This flexible conduit is specifically designed to protect wiring from heat, oils, coolants, and the constant vibration found on the factory floor.

A Size for Any Heavy-Duty Job

Our range covers all standard Australian conduit sizes, from 16mm right up to 63.5mm, available in lengths up to 6 metres, along with all the matching heavy-duty fittings you'll need.

Top Brands for Ultimate Protection

When your installation absolutely has to last, you need to use materials you can trust. We stock high-quality heavy duty conduit from leading brands that Aussie contractors rely on, including Tradepro and Repelec.

Why Contractors Choose SCHNAP

Don't compromise on the protection of your critical electrical infrastructure.

  • A complete range of steel, stainless steel, and heavy-duty PVC conduit.
  • All products are built tough for the harshest Aussie conditions.
  • Compliant with all relevant Australian standards.
  • Fast delivery and competitive trade pricing for professionals.

For heavy duty conduit that offers the ultimate in protection and performance, trust SCHNAP to have the right solution for your toughest jobs

Need heavy duty conduit at the best prices and good quality? Shop now at Schnap