Type ÜNFLEX PUR-C-HF Crane Cable: Ultimate Flexibility for Modern Crane Festoon Systems

In the demanding world of industrial crane operations, cable reliability is crucial for maintaining operational efficiency and safety. Introducing the Type ÜNFLEX PUR-C-HF Crane Cable, specifically engineered for crane festoon systems.

This high-flexible cable combines superior mechanical properties with exceptional durability, making it the ideal choice for modern crane applications.

Feature	Benefit	Industry Impact
High-Flexible Design	Superior bending performance	Extended service life
PUR Sheath Technology	Enhanced mechanical protection	Reduced maintenance costs
Halogen-Free Construction	Improved safety in fire conditions	Better environmental compliance
Festoon-Optimized Design	Smooth operation in track systems	Increased operational efficiency
Advanced Strain Relief	Reduced mechanical stress	Lower replacement frequency

Technical Specifications

Component	Material	Performance Features
Conductor	Fine-stranded copper	Enhanced flexibility and current capacity
Insulation	Special compound	Superior electrical properties
Sheath	PUR compound	Excellent mechanical protection
Strain Relief	Aramid yarn	Additional mechanical strength
Flexibility Class	Class 6	Ultimate flexibility

Performance Characteristics

Parameter	Rating	Standard
Minimum Bending Radius	7.5 x D (D = cable diameter)	Dynamic use
Tensile Load	Up to 15 N/mm²	Maximum working load
Travel Speed	Up to 240 m/min	In festoon systems
Acceleration	Up to 2 m/s²	Operational capacity
Operating Cycles	> 5 million	Test verified

Applications and Usage Scenarios

Our ÜNFLEX PUR-C-HF Cable excels in:

Industrial Crane Systems

Container cranes

Gantry cranes

Bridge cranes

Tower cranes

Port cranes

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Material Handling Equipment

Automated storage systems

Conveyor systems

Lifting equipment

Transfer vehicles

Stacker cranes

Environmental Factor	Rating	Performance Level
Temperature Range	-40°C to +90°C	Outstanding
Oil Resistance	Excellent	Superior
UV Resistance	Very Good	Long-lasting
Weather Resistance	Excellent	All-weather capable
Chemical Resistance	Good	Industrial grade

Festoon System Compatibility

Parameter	Specification	Notes
Track Type	C-track/I-beam	Universal compatibility
Loop Depth	Optimized	Reduced space requirement
Track Spacing	Flexible	Adaptable to existing systems
Installation Method	Push-pull compatible	Easy installation

Comparative Analysis

Market Position vs. Standard Cables

Feature	ÜNFLEX PUR-C-HF	Standard Crane Cables
Flexibility	Superior	Basic
Cycle Life	> 5 million	< 2 million
Temperature Range	-40°C to +90°C	-20°C to +60°C
Chemical Resistance	Excellent	Good
Installation Ease	Enhanced	Standard

Cross Section (mm2)	Overall Diameter Min. – Max. (mm)	Approximate Weight (kg / km)
4 x 1,5	10,8 – 12,0	232
5 x 1,5	10,9 – 12,1	260
7 x 1,5	10,9 – 12,1	270
12 x 1,5	15,0 – 16,2	360
18 x 1,5	15,4 – 17,2	424
4 x 2,5	12,1 – 13,2	248
5 x 2,5	12,8 – 14,0	268
12 x 2,5	17,0 – 18,8	520
18 x 2,5	17,5 – 19,2	630
5 x 4	13,8 – 15,0	344
4 x 6	15,1 – 16,3	426
4 x 10	18,4 – 19,6	636
4 x 16	21,2 – 22,5	932
4 x 25	24,5 – 26,2	1400
4 x 35	29,6 – 31,6	1820
4 x 50	35,1 – 37,6	2510

• Rated Voltage: 0.6 / 1 kV

• Max. Operating AC Voltage: 0.7 / 1.2 kV

• Max. Operating DC Voltage: 0.9 / 1.8 kV

• AC Test Voltage: 3.5 kV

• Min. Bending Radius: 6 x D (fixed application), 8 x D (mobile applications)

• Current Carrying Capacities: According to DIN VDE 0298-4

• Max. Surface Temperature: Fixed installation – 50°C up to +80°C

• Max. Temperature at the Conductor: Mobile operation – 40°C up to +80°C in service, +90°C under short-circuit conditions, +250°C

• Max. Tensile Load on Conductor: 15 N/mm²

• Max. Torsion: ±25º/m

• Travel Speed:

• In Festoon Systems: Up to 200 m/min

• In Reeling Applications: Up to 60 m/min horizontally

• In Chain Systems: Up to 200 N/mm

Quality Assurance and Testing

Test Protocols

Test Type	Parameters	Result
Flex Life	> 5 million cycles	Passed
Tensile Strength	> 15 N/mm²	Exceeded
Insulation Resistance	> 100 MΩ·km	Compliant
Voltage Test	2.5kV for 5 minutes	Passed

Economic Benefits

Cost-Efficiency Analysis

Benefit Category	Savings Potential	ROI Timeline
Maintenance Reduction	Up to 40%	6-12 months
Downtime Prevention	Up to 50%	3-6 months
Installation Time	Up to 30% reduction	Immediate
Overall Cost Benefit	30-45%	First year

Technical Specifications Table

Standard Sizes and Specifications

Cross Section (mm²)	Outer Diameter (mm)	Weight (kg/km)	Current Rating (A)
1.5	8.0	95	19
2.5	9.2	140	26
4.0	10.5	190	34
6.0	12.0	250	44

Installation Guidelines

Best Practices

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Installation Parameters

Parameter	Specification	Importance
Minimum Bend Radius	7.5 x D	Critical
Maximum Pull Force	15 N/mm²	Important
Installation Temperature	-5°C to +50°C	Recommended

Safety and Environmental Standards

Standard	Compliance	Benefit
RoHS	Compliant	Environmental safety
REACH	Registered	Chemical safety
Halogen-Free	IEC 60754-1	Fire safety
Low Smoke	IEC 61034-2	Safety in fire

The Type ÜNFLEX PUR-C-HF Crane Cable represents the pinnacle of crane cable technology, offering:

This high-performance cable solution ensures reliable operation in the most challenging crane applications. Contact our technical team today to discover how our crane cable solutions can enhance your operational efficiency and safety.

Standard Package Details

Cable Type	Standard Length (m)	Drum Size	Special Orders
ÜNFLEX PUR-C-HF	500	K22	Available
Custom Lengths	On request	Various	By quotation

Contact our sales team for detailed pricing and availability information. Our experts are ready to help you select the perfect cable configuration for your specific application.

Note: This is just part of the standard parameters of our products. Please contact our Engineer if you need more. And the information contained within this webpage is for guidance only and is subject to change without notice or liability. All dimensions and specifications are nominal and are subject to normal manufacturing tolerances. All pictures shown are for illustration purposes only. The actual product may vary. All the information is provided in good faith and is believed to be correct at the time of publication.