- UL 521 approved
- Cable based sensing allows detection at the point of risk
- Low installation, maintenance and repair costs
- Reliable solution for hazardous areas
- Low material cost
A Nylon coated cable is the common choice when hazardous hydrocarbons such as fuel oils, diesel, kerosene etc. are present. Nylon cables are coloured black and provide suitable UV protection when used in direct sunlight. Nylon is much tougher than PVC and therefore provides additional mechanical protection.
Sensing Cable Construction
FyreLine linear fixed heat sensing cable is constructed using two twisted and tensioned, tri-metallic conductors. Each of the conductive cables are coated in a heat sensitive polymer which, when heated to its rated temperature, melts, causing the two cables to touch. The resulting short sends a signal to the fire alarm control panel, indicating that a fire (or excessive heat) has been detected. Once a fire has been detected the damaged length of cable is easily replaceable.
The FyreLine digital linear heat detection cables are fully approved by the Underwriters Laboratories (UL) and bears the CE mark to show that they comply with all the applicable Directives including the CPR, EMC and the Low Voltage Directive (LVD).
- UL 521
Heat detectors for fire protective signaling systems.
|Construction||Overall insulated, twisted pair of tri-metallic cores|
|Insulation||1kV tested protective outer coat|
|Approvals||CE Marked, UL Listed|
|Maximum Zone Length||3,000m (10,000ft)|
|Overall Diameter||4.50mm ± 0.12mm (0.177” ± 0.005”)|
|Minimum bend radius||50mm (2”)|
|Max Voltage Rating||30Vac, 42Vdc|
|Resistance||~100Ω/km (29Ω/kft) per leg|
|Velocity of Propagation||~55%|
|Capacitance||88 – 150 pF/m (26 – 45 pF/ft)|
|Inductance||540 – 1050 nH/m (165 – 320 nH/ft)|
- FyreLine Digital Nylon LHD Cable Datasheet
- FyreLine Digital Technical Sales Brochure
- FyreLine Digital Linear Heat System Guide
- FyreLine Digital Approval Certificate (UL)