Tirupati Plastomatics Private Limited

Vishwakarma Industrial Area, Jaipur, Rajasthan

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Corrugated Duct

We are ISO certified Manufacturers & Exporters of " Gemini " brand HDPE Flat ducts used in internal bonded post tensioning of tendons in pre-stressed concrete works in place of conventional metallic ducts in Elevated Roads, Bridges & Flyovers. We are already supplying these ducts to various prestigious projects in India and abroad.

HDPE Corrugated Sheathing Ducts
  • HDPE Corrugated Sheathing Ducts
  • HDPE Corrugated Sheathing Ducts
  • HDPE Corrugated Sheathing Ducts
  • HDPE Corrugated Sheathing Ducts
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HDPE Corrugated Sheathing Ducts

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Minimum Order Quantity: 500 Meter

MaterialHigh-density polyethylene (HDPE)
LengthUpto 30 meters
Outer Diameter50mm -160mm
Inner Diameter39 mm -136 mm

We are manufacturer of Corrugated Sheathing Ducts under the brand name " Gemini " for Post- Tensioning of structures known as Single Wall Corrugated (SWC) Pipes.

Made as per international industry standards, these Single Wall Corrugated (SWC) Pipes these pipes are extensively applicable for internal bonded post tensioning of tendons in pre-stressed concrete. Well built design and unmatched quality material utilization makes these pipes resistant to rust and break.

Owing to their high strength, these Single Wall Corrugated (SWC) Pipes are widely utilized for bridges, flyovers, Via ducts, tunnels, underpasses, offshore platforms, and other allied projects. Quality approved by expert organization, these Single Wall Corrugated (SWC) Pipes is also used in Konkan Railways and Delhi Metro Rail Corporation (DMRC).


  • Durability
  • Proper flow
  • Smooth operation


Advantages & Features (SWC)

  • Enhance corrosion protection.
  • Economical in comparison of conventional sheathing ducts
  • Lower values of wobble co-efficient (k) & friction co-efficient (µ) than metallic ducts.
  • Better bonding with the concrete due to higher - close corrugations.
  • All required Accessories are available with us in-house.
  • Also available in long lengths and hence minimum joints
  • Corrosion protection
  • Water tightness
  • Easy handling & speed installation due to fewer joints
  • Good weathering resistance.
  • Corrosion monitoring of tendons is possible
  • Helps electrical monitoring of tendons.
  • Enhances fatigue life of concrete ( bridges & Flyovers )
  • Good impact and compression strength
  • High stiffness and flexibility
  • Chemically inert
  • Environment friendly
  • Joining is very easy
  • Even when bend cross section of ducts retains its circularity
  • Therefore these ducts are strongly recommended in all mega projects especially in marine climatic conditions and corrosion prone area

Additional Information:

  • Delivery Time: 10 to 15 days

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