CALIBRE® Trenchless Cable Duct

Ideal for larger projects with longer runs. Sophisticated equipment delivers a faster and more environmentally sustainable installation.

  • Faster installs when covering a greater distance
  • Longer and deep installations, less joins required
  • Less disruption to above ground surfaces and structures
  • Minimal disruption to geological features
  • No backfilling excavation
  • Transport / handling – greater metreage per delivery

 

Fully featured with easy product selection criteria.

AVAILABLE IN A RANGE OF SIZES

Simplifying Cable Duct Specification

The benefits of specifying to the electrical purposed, performance based AS/NZS 61386 for cable duct utilities installation. Watch full video.

Unifying Specification & Installation

Specifying AS/NZS 61386 to unify PVC & PE cable duct specification for trench & trenchless installation. Watch full video.

Cable Duct Selection Factors

Calibre Cable Duct Systems are fully featured, delivering Durability, Productivity and Assurance.

Cable Duct Trench Best Practice

Calibre Cable Duct Systems. Find out why heavy duty cable ducting is best practice for Category A installations. Watch full video.

Why Marley?

Quality Assurance
Practices & procedures to deliver on customer expectations

Proven Reliability
History of durability in NZ conditions

Recyclable
100% recyclable uPVC and PE materials

Certification
Made to NZ standards & specifications

Full Range
Conduit & cable duct systems for building & infrastructure applications

Support
Nationwide sales and technical support

Components

  PRODUCTS

CALIBRE® Trenchless Cable Duct

Electrofusion Coupler

Compression fitting

  PRODUCTS

CALIBRE® Trenchless Cable Duct

Electrofusion Coupler

Compression fitting

  PRODUCTS

CALIBRE® Trenchless Cable Duct

Electrofusion Coupler

Compression fitting

Resources

Technical Details

BEST PRACTICE SELECTION GUIDELINE

For cost effective and reliable underground Cable Duct systems, always consider 3 key selection factors – reliability, productivity and quality.

BEST PRACTICE CABLE DUCT SELECTION CRITERIA CALIBRE® Trenchless
RELIABILITY & DURABILITY
Designed for 100+ years performance (buried in service)
Category A Underground Wiring Rules
Very Heavy Duty
Heavy Duty
Category B Underground Wiring Rules
Medium Duty

(Sub Duct application)

In-service temperature (wide range) -15/60
PRODUCTIVITY – INSTALLATION & BURIAL
Application to suit project / site / economic parameters
  • Environmental / social sustainability
  • Long, deep installs or under roads, bridges, crossings
  • Greenfield installations
  • Deployment of sophisticated technology, equipment & operations
  • Ideal for Urban locations
Ease of handling / transport
  • Coils (50 to 1000m)
  • Customised lengths
  • Metre marking
  • Strapping to maintain nesting and minimise coil tails
Ease of service identification

  • Power or Comms colour coded
  • Product print details
Fittings range Friatec, Philmac (smaller DN)
Joining PE Electrofusion, PE Compression fittings
QUALITY & COMPLIANCE
Environmental
100% Recyclable
Manufacturing standard – electrical specific AS/NZS 61386
3rd Party verification
Tech and sales support

Product Authenticity

  1. Manufacturer and/or brand name identification
  2. Designed specifically to protect electrical wiring
  3. Classification Rating
    (VHD = Very Heavy Duty)
    (HD = Heavy Duty)
    (MD = Medium Duty)
  4. Compression Duty / Ring Stiffness Rating
    (Rating 5 = Very Heavy Duty)
    (Rating 4 = Heavy Duty)
    (Rating 3 = Medium Duty)
  5. Impact Duty Rating
    (Rating 5 = Very Heavy Duty)
    (Rating 4 = Heavy Duty)
    (Rating 3 =Medium Duty)
  6. Minimum Service Temperature rating (Rating 3 = -15˚c)
  7. Maximum Service Temperature rating (Rating 1 = 60˚c)
  8. Resistance to burning (PE duct only = flame propagating)
  9. Cable Duct manufacturing standard
  10. 3rd party Licence Verification for the specific manufacturing site
  11. Exact date and time of manufacture
  12. Marley item code for easy tracking
    PVC = 700 Series
    PE = 600 Series
  13. Recyclability

PRODUCT SPECIFICATION


SIZE
DIAMETER (mm) 20, 25, 32, 40, 50, 63, 90, 110, 125, 140, 160
LENGTH (m) 50, 100, 150, 200, 500, 1000

MATERIAL
COLOUR Orange, Green, Red, Salmon
FORMULATION MDPE (DN≤40)
HDPE (DN ≥50)
FINISH Matte Finish

TEMPERATURE
SERVICE TEMPERATURE RANGE -15˚C to 60˚C
LINEAR CO EFFICIENT OF THERMAL EXPANSION 17 X 10-5 m/(mK)

FITTINGS
MARLEY COLOUR MATCH
EXTENSIVE RANGE YES
JOINT Electrofusion
Compression
DUTY RATING SDR 11-17

DURABILITY
Duty rating1 Very Heavy Duty (5531)
Heavy Duty (4431)
Medium Duty (3331)
Ring stiffness (SN)
(when DN≥100)
MD ≥ SN4
HD ≥ SN10
VHD ≥ SN25
Resistance to burning Flame propagating
UV resistance3 N/A
Chemical resistance High2

COMPLIANCE
Manufacturing standard AS/NZS 61386
Environmental BEP certified – N/A
ISO 14001
3rd party verification Manurewa: BV Lic. 2755
Horotiu: BV Lic. 2970
Tinwald: BV Lic. 2806

1 Duty rating varies by size and customer requirements, please contact Marley for more information
2 Avoid contact with ketones, esters, aromatic and chlorinated solvent
3 Cable ducting designed to be buried in service, unless stated otherwise