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® Trench |
|---|---|
| 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 |
(Extra mechanical protection required) |
| In-service temperature (wide range) | -15/60 |
| PRODUCTIVITY – INSTALLATION & BURIAL | |
| Application to suit project / site / economic parameters |
|
| Ease of handling / transport |
|
Ease of service identification
|
|
| Fittings range | Fabricated bends (duty, angle, radius) |
| Joining | PVC Solvent, PE Electrofusion, PE Compression fittings |
| QUALITY & COMPLIANCE | |
| Environmental | BEP (PVC applicable) |
| 100% Recyclable | |
| Manufacturing standard – electrical specific AS/NZS 61386 | |
| 3rd Party verification | |
| Tech and sales support | |
Product Authenticity
- Manufacturer and/or brand name identification
- Designed specifically to protect electrical wiring
- Classification Rating
(VHD = Very Heavy Duty)
(HD = Heavy Duty)
(MD = Medium Duty) - Compression Duty / Ring Stiffness Rating
(Rating 5 = Very Heavy Duty)
(Rating 4 = Heavy Duty)
(Rating 3 = Medium Duty) - Impact Duty Rating
(Rating 5 = Very Heavy Duty)
(Rating 4 = Heavy Duty)
(Rating 3 =Medium Duty) - Minimum Service Temperature rating (Rating 3 = -15˚c)
- Maximum Service Temperature rating (Rating 1 = 60˚c)
- Resistance to burning (PE duct only = flame propagating)
- Cable Duct manufacturing standard
- 3rd party Licence Verification for the specific manufacturing site
- Exact date and time of manufacture
- Marley item code for easy tracking
PVC = 700 Series
PE = 600 Series - Recyclability
PRODUCT SPECIFICATION
SIZE |
|
|---|---|
| DIAMETER (mm) | 32, 40, 50, 65, 80, 100, 150,(PE = 140/160) |
| LENGTH (m) | 6, (PE = 12) |
MATERIAL |
|
| COLOUR | Orange, Green, White, Red |
| FORMULATION | uPVC Resin + modifiers |
| FINISH | Matte Finish |
TEMPERATURE |
|
| SERVICE TEMPERATURE RANGE | -15˚C to 60˚C |
| LINEAR CO EFFICIENT OF THERMAL EXPANSION | 7 X 10-5 m/(mK) |
FITTINGS |
|
| MARLEY COLOUR MATCH | Orange, Green, White |
| EXTENSIVE RANGE | Yes |
| JOINT | Solvent (SJ) Rubber Ring Joint (RRJ) |
| DUTY RATING | Very Heavy Duty (5531) Heavy Duty (4431) Medium Duty (3331) |
DURABILITY |
|
| Duty rating1 | Very Heavy Duty (5531) Heavy Duty (4431) Medium Duty (3331) Non-Duty Rated |
| Ring stiffness (SN) (when DN≥100) |
MD ≥ SN4 HD ≥ SN10 VHD ≥ SN25 |
| Resistance to burning | Non flame propagating |
| UV resistance3 | White Duct only |
| Chemical resistance | High2 |
COMPLIANCE |
|
| Manufacturing standard | AS/NZS 61386 AS/NZS 1260 |
| Environmental | BEP certified (PVC applicable) 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
