What is ZKS-XXOTKtsFf Corrugated Steel Tape Armored Fiber Optic Cable?

Comprehensive Technical Guide to Double PE Jacket Steel Armored Fiber Optic Cables for Sewage Duct and Direct Burial Applications in Wind Farm Telecommunication Networks — VDE Equivalent: A-DQ2Y(SR)2Y

ZKS-XXOTKtsFf represents an advanced category of outdoor fiber optic cables specifically engineered for installation in sewage duct systems and harsh underground environments. This specialized cable features corrugated steel tape (CST) armor between double polyethylene jackets, providing exceptional mechanical protection against transverse stress, longitudinal loads, and rodent attack — critical requirements for infrastructure deployment in challenging subterranean conditions.
ZKS-XXOTKtsFf Corrugated Steel Tape Armored Fiber Optic Cable | A-DQ2Y(SR)2Y Sewage Duct Wind Farm | Anhui Feichun

What is ZKS-XXOTKtsFf Corrugated Steel Tape Armored Fiber Optic Cable?

Comprehensive Technical Guide to Double PE Jacket Steel Armored Fiber Optic Cables for Sewage Duct and Direct Burial Applications in Wind Farm Telecommunication Networks — VDE Equivalent: A-DQ2Y(SR)2Y

A-DQ2Y(SR)2Y ZN-TF-13:2001 DIN VDE 0888 IEC 60794 ITU-T G.652D ITU-T G.655 Corrugated Steel Tape
Double PE Jacket Steel Tape Armored Sewage Duct Rated 4–288 Fibres

1. Introduction to ZKS-XXOTKtsFf Steel Armored Cable Technology

The ZKS-XXOTKtsFf represents an advanced category of outdoor fiber optic cables specifically engineered for installation in sewage duct systems and harsh underground environments. This specialized cable features corrugated steel tape (CST) armor between double polyethylene jackets, providing exceptional mechanical protection against transverse stress, longitudinal loads, and rodent attack — critical requirements for infrastructure deployment in challenging subterranean conditions.

Corrugated Steel Tape Protection: The corrugated steel tape armor provides robust protection for duct installations where water ingress may occur or for direct burial applications. CST armored cables are lighter and more flexible than steel wire armored (SWA) designs, allowing faster installation while maintaining superior crush resistance and rodent protection.

Reference: CST Armoured Fibre Optic Cable Technical Specifications — xSiCute

Fiber optic cables designed for sewage duct applications must withstand unique environmental challenges including exposure to moisture, chemical agents, biological contamination, and mechanical stress from installation and long-term service. The ZKS-XXOTKtsFf addresses these requirements through its fully dielectric core construction combined with robust metallic armoring, ensuring electromagnetic interference immunity while providing physical protection essential for harsh underground environments.

Wind farm infrastructure increasingly relies on fiber optic communication networks for SCADA systems, turbine monitoring, and grid coordination. Installing these networks often requires routing cables through existing municipal infrastructure including sewage duct systems, making cables like the ZKS-XXOTKtsFf essential for cost-effective and efficient network deployment. The double PE jacket construction provides additional protection during the pulling process through ducts while the corrugated steel tape ensures long-term structural integrity.

Reference: Fiber Optic Cables for Wind Energy and Infrastructure Applications — Crane Cable

2. Cable Designation Analysis

2.1 ZKS-XXOTKtsFf Designation Breakdown

ZKS Outdoor cable for sewage systems (Zewnętrzny Kanalizacyjny Ściekowy)
X Polyethylene outer sheath
X Polyethylene inner sheath
OTK Optical fiber telecommunication cable
ts Loose tube with dry core sealing
Ff Armored with corrugated steel tape (Folia falista)

2.2 Optional Reinforcement Variants

ZKS-XXOTKtsDFf — Aramid Reinforced
Reinforcement: Aramid yarn (D)
Added Benefit: Higher tensile strength
Application: Long pulls, harsh routes
ZKS-XXOTKtsDbFf — Glass Yarn Reinforced
Reinforcement: Glass yarns (Db)
Added Benefit: Enhanced rodent resistance
Application: Rural, agricultural areas

2.3 VDE Equivalent: A-DQ2Y(SR)2Y Designation

A Outdoor cable (Außenkabel)
D Stranded loose tube construction
Q Transverse water-blocking (dry sealing)
2Y Polyethylene inner sheath
(SR) Corrugated steel tape armor (Stahlband geriffelt)
2Y Polyethylene outer sheath

3. Corrugated Steel Tape Armor Technology

3.1 Steel Armor Protection Capabilities

The corrugated steel tape (CST) armor provides multiple layers of protection essential for sewage duct and direct burial applications. The corrugation pattern allows the cable to maintain flexibility while providing enhanced crush resistance compared to non-armored designs. This construction makes the cable rodent proof while remaining easy to install through duct systems.

Rodent Protection
~95%
Crush Resistance
~90%
Longitudinal Stress
~85%
Transverse Stress
~88%
Water Penetration
~92%

Reference: Fibre Optic Outdoor Cables with Corrugated Steel Tape — Datwyler

3.2 Double PE Jacket Construction

The double polyethylene jacket system provides comprehensive environmental protection. The inner PE sheath isolates the cable core from the metallic armor, while the outer PE sheath protects against UV radiation, abrasion, and chemical exposure in sewage environments. This construction enables safe installation near high voltage applications without requiring additional grounding.

Installation Advantage: The double jacket design with internal ripcords allows the steel armor to be easily removed, leaving a fully functional inner cable with original marking for identification. This facilitates field termination and splicing operations in manhole environments.

Reference: Corrugated Steel Tape Armored Cables — Optical Cable Corporation

4. Optical Fiber Options

J (G.652D)
Singlemode
9/125 μm
Jn (G.655)
Non-Zero Dispersion
Shifted Singlemode
G/50
Gradient Multimode
50/125 μm
G/62.5
Gradient Multimode
62.5/125 μm

5. Cable Construction

5.1 Layer-by-Layer Structure

1
Central Strength Member
Dielectric FRP rod with or without PE jacket
2
Optical Fibers
Singlemode (J/Jn) or gradient multimode (G/50, G/62.5)
3
Loose Tubes
PBT tubes filled with thixotropic jelly
4
Filler Elements
Polyethylene fillers for cable geometry
5
Cable Core
6, 8, 12, 18, or 24 tubes stranded around central member
6
Core Sealing
Dry water-blocking elements
7
Inner Sheath
Black polyethylene (PE) protective layer
8
Corrugated Steel Tape Armor
Galvanized corrugated steel tape for mechanical protection
9
Ripcords
2 ripcords for easy jacket removal
10
Outer Sheath
Black polyethylene (PE), UV stabilized

5.2 Construction Materials Summary

Core Components

Central Member: Dielectric FRP rod

Tube Material: PBT (Polybutylene Terephthalate)

Tube Fill: Thixotropic gel compound

Tube Configurations: 6, 8, 12, 18, or 24 tubes

Fiber Capacity: 4–288 fibers

Protection Systems

Water Blocking: Dry sealing technology

Armor Type: Corrugated steel tape (CST)

Inner Jacket: Polyethylene (PE)

Outer Jacket: Black HDPE, UV resistant

Ripcords: 2 for easy stripping

6. Performance Parameters

6.1 Key Performance Characteristics

  • Fully dielectric core — complete electromagnetic interference immunity
  • Corrugated steel tape armor resistant to transverse and longitudinal stresses
  • Steel armor provides effective rodent attack protection
  • Protected from moisture and longitudinal water penetration
  • Outer sheath resistant to abrasion, UV, and stress corrosion cracking
  • Metric overprint and marking printed on outer sheath
  • Custom marking available per customer requirements
  • Suitable for sewage duct environments with chemical exposure
  • Compatible with pulling and blowing installation methods

6.2 Temperature Specifications

Operating Temperature Ranges
-40°C -15°C 0°C +25°C +60°C +70°C
Transport & Storage
-40°C to +70°C
Extended environmental range
Installation Temperature
-15°C to +60°C
Cable handling range
Operating Temperature
-40°C to +70°C
Continuous service range

7. Technical Specifications

7.1 Standard Tube Diameter (1.8 mm) Series

ZKS-XXOTKtsFf Technical Parameters — 1.8 mm Tube Diameter
Fiber CountElementsTube Ø (mm)Cable Ø (mm)Weight (kg/km)Tensile Dynamic (N)Tensile Static (N)Bend Dynamic (mm)Bend Static (mm)
4–7261.812.31401000500180250
28–9681.813.51751500750200270
36–144121.815.823022001100240320
52–216181.816.22301000500240320
76–288241.817.928025001250270360

7.2 Enhanced Tube Diameter (2.4 mm) Series

ZKS-XXOTKtsFf Technical Parameters — 2.4 mm Tube Diameter
Fiber CountElementsTube Ø (mm)Cable Ø (mm)Weight (kg/km)Tensile Dynamic (N)Tensile Static (N)Bend Dynamic (mm)Bend Static (mm)
4–7262.414.218527001350210280
28–9682.415.823027001350240320
36–144122.418.830527001350280380
52–216182.419.331527001350290390
76–288242.421.538527001350320430

7.3 Tube Series Comparison Analysis

Performance Comparison: 1.8 mm vs 2.4 mm Tube Series
Parameter1.8 mm (6 elem.)2.4 mm (6 elem.)Difference1.8 mm (24 elem.)2.4 mm (24 elem.)Difference
Cable Diameter12.3 mm14.2 mm+15.4%17.9 mm21.5 mm+20.1%
Cable Weight140 kg/km185 kg/km+32.1%280 kg/km385 kg/km+37.5%
Tensile (Dynamic)1000 N2700 N+170%2500 N2700 N+8.0%
Tensile (Static)500 N1350 N+170%1250 N1350 N+8.0%
Tensile/Weight Ratio7.14 N/kg14.59 N/kg+104%8.93 N/kg7.01 N/kg-21.5%
Min Bend (Dynamic)180 mm210 mm+16.7%270 mm320 mm+18.5%

Selection Guidance: The 2.4 mm tube series delivers dramatically higher tensile strength (up to 170% improvement for 6-element configurations), making it optimal for long-span pulling through sewage ducts with multiple bends. The 1.8 mm series offers better weight efficiency for shorter routes where duct capacity is limited.

7.4 Tensile Strength Distribution Analysis

Elements1.8mm Dynamic (N)1.8mm Static (N)2.4mm Dynamic (N)2.4mm Static (N)Improvement Factor
61000500270013502.70×
81500750270013501.80×
1222001100270013501.23×
181000500270013502.70×
2425001250270013501.08×

8. Applications in Wind Farm and Municipal Infrastructure

8.1 Primary Applications

The ZKS-XXOTKtsFf cable’s corrugated steel tape armor and double PE jacket construction make it particularly valuable for wind farm installations where cables must traverse challenging underground infrastructure including sewage systems, municipal utilities, and areas with high mechanical damage risk.

🚰
Sewage Duct Systems
Primary design application with chemical resistance
⚡
Wind Farm SCADA
Turbine monitoring and control networks
🏗️
Direct Burial
High mechanical damage risk areas
🔧
Primary Cable Ducts
Municipal infrastructure routing
  • Wind farm SCADA telecommunication backbone networks
  • Turbine-to-substation fiber optic communication links
  • Local, metropolitan, and wide area telecommunication networks
  • Installation in sewage duct systems and wastewater infrastructure
  • Direct burial in areas with higher risk of mechanical damage
  • Installation in primary cable ducts
  • Municipal infrastructure fiber optic routing
  • Rural telecommunications where rodent protection is essential

8.2 Installation Methods

The ZKS-XXOTKtsFf cable supports both pulling and air-blowing installation methods. For sewage duct applications, the pulling method through pre-installed rope is typically preferred for distances up to 200-300 meters between access points. The cable’s corrugated steel armor provides protection during installation through rough duct environments.

Installation Best Practice: For duct installations, the cable’s inner ripcord system allows field technicians to remove the outer jacket and steel armor at termination points while maintaining full cable identification marking on the inner jacket. Always observe the stated minimum bending radius during installation.

Reference: Duct Installation of Fiber Optic Cable — FS.com

Pulling Method
Recommended
Up to 200–300m segments
Air Blowing
Supported
Continuous runs 1000m+
Direct Burial
Supported
With steel armor protection
Sewage Duct
Primary Design
Chemical resistant PE jacket

9. Standards and Compliance

StandardScopeApplication
ZN-TF-13:2001Technical specification for armored cablesPrimary product standard
DIN VDE 0888German fiber optic cable standardA-DQ2Y(SR)2Y equivalence
IEC 60794-1Generic specification for fiber cablesGeneral requirements
IEC 60794-3Outdoor cables sectional specificationDuct, buried, aerial applications
ITU-T G.652DSinglemode fiber specificationStandard singlemode performance
ITU-T G.655Non-zero dispersion-shifted fiberNZDSF singlemode applications
IEC 60304Color coding standardTube and fiber identification

10. Packaging and Delivery

Standard Packaging

Standard Length: 4 km per drum

Packaging Type: Wooden drums

Custom Lengths: Available upon agreement

Drum Marking: Cable type, length, date

Marking Information

Method: Ink jet printing on outer sheath

Content: Cable type, fiber count, manufacturer

Metric Overprint: Length marking in meters

Custom Marking: Available per specification

Request Technical Specifications or Custom Configuration

Anhui Feichun Special Cable Co., Ltd. (安徽飞纯特种电缆有限公司) provides custom ZKS-XXOTKtsFf corrugated steel tape armored fiber optic cable solutions for wind farm telecommunications, sewage duct installations, and municipal infrastructure projects. Our technical team offers fiber count optimization, armor configuration selection, and comprehensive documentation packages including IEC 60794 compliance certification.

Previous Article

What is Z-(XV)OTKtsdD Anti-Rodent Dual Jacket Fiber Optic Cable?

Next Article

What is ZW-(NV)OTKtsdD HFFR Halogen-Free Flame Retardant Fiber Optic Cable?

Write a Comment

Leave a Comment

您的邮箱地址不会被公开。 必填项已用 * 标注