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  • About Extena
    • Extena leading development
    • A complete range
    • Safe supplier
    • Quality at the highest level
    • Best raw material
  • Application areas
    • Application areas
    • Water & Sewage
    • Gas
    • Mines
    • Industry
    • High pressures
    • Special applications
    • Customized pipes
    • Customized pipe fittings
  • Our products
    • Choosing the right pipe
    • Standard pipe PE100 RC
    • Multilayer pipes
      • Multilayer pipes
      • SLM – With sheath
      • SLM DCT – With function test
      • SLM DCS – With monitoring
      • HexelOne – For high pressure
      • SLA – Permeation barrier
      • 3L – With monitoring
    • Cable protection pipes
      • Cable protection pipes
      • SRS Cable protection pipes
      • SRE-P Cable protection pipes
      • Optical fibre Cable protection pipes
      • Other Cable protection pipes
    • Polarpipe – Frost protected
    • Pipes for relining
      • Pipes for relining
      • egeLiner
      • egeModul
    • Special pipes
      • Special pipes
      • egeFuse – Gravity pipeline SN16
      • egeStatic – Electrostatic resistance
      • egeTherm® High-T for high temperatures
      • egeSlurry® with protective interior
      • High pressure pipes PE100 RC homogeneous
      • Blast hole liner pipe
      • Marking posts
    • Pipe fittings
      • Pipe fittings
      • Injection moulded polyethylene pipe fittings
      • Machined polyethylene pipe fittings
      • Segment welded polyethylene pipe fittings
      • Seamless polythene bends
      • Arc welding parts
      • Flange joints
      • Pipe fittings for our pipe systems
      • Customized pipe fittings
  • Manufacturing & Quality
    • Higher requirements than standard
    • PE100 RC
      • PE100 RC
      • Pipe laying PE100 RC
    • New installation methods
    • High strength sheath
    • Certifications & Approvals
      • Certifications & Approvals
      • Nordic Poly Mark
      • DK-VAND
      • FI
      • PAS 1075
      • KIWA
      • TÜV
      • DVGW
      • 3.1 Certificate
  • Sustainabilty
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    • Management
    • Manufacturing
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  • Water & Sewage
  • Gas
  • Mines
  • Industry
  • High pressures
  • Special applications
  • Customized pipes
  • Customized pipe fittings
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  • Industry
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  • Special applications
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  • Customized pipe fittings

Home » Application areas » Mines

Pipe systems for mines

The working environment in mines is extremely tough, not only for the miners, but also for all the tools and products used in the mining industry. Raw surfaces, blasting dust, coarse media and crushed rock transported and removed by heavy vehicles expose the environment to excessive wear and damage.

High pressures
In addition to the external impact on pipes and pipe systems, the mine’s level differences also mean that high pressures are required to pump media from low to high points. Mining environments therefore require durable pipes that can withstand high pressure both inside and outside. Extena develops and manufactures PE pipes for applications that require higher pressure ratings. In environments where large level differences are a critical factor, Extena high pressure pipes can be the solution. These pipes have a greater thickness and a higher ring stiffness than traditional pipes, which means they can withstand high internal pressures as well as high external loads. We offer both homogeneous high pressure pipes and multiple layer high pressure pipes (HexelOne®) for extra resistance to high pressures.

Drill cuttings and slurry
The transportation of e.g. drill cuttings and slurry (tailings and mine water) requires extra strong pipelines that can withstand both high pressures and excessive wear on the inside. Drill cuttings consisting of crushed rock with a grain size of up to 6 mm place great stress on the inside of pipes. Our durable, homogeneous multilayer pipe egeSlurry® with a protective inner layer is perfect for these types of demanding conditions.

Static electricity
In mines, static electricity is also generated when pumping dry and flammable media, for example. For these applications, we have developed egeStatic®, a co-extruded homogeneous pipe made of PE-EL that reduces the risk of static electricity generation.

Prefabricated pipelines
We can also offer prefabricated pipes with pre-assembled flange joints, which facilitates the jointing and installation of pipe systems in the mine. These pipes are joined on site and are available in dimensions up to 1600 mm.

In addition, we offer several other types of pipes and pipe fittings that meet all the requirements of the mining industry.

• Tough environment with external impact on pipes and pipe systems
• High and low points increase pump pressure significantly
• Abrasive media wears the inside of pipes
• Static electricity
• Flammable media

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