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Longline (HTS1F)

Products > Series (Longline) Heaters > Longline (HTS1F)

Product Features

ATEX - European Hazardous Area Approval FM - North American Hazardous Area approval

Longline (HTS1F) is a series resistance, single conductor heating cable . It is supplied in multiples of three cables for configuring into a 3 phase heating system. It is used for freeze protection or process temperature maintenance of long pipelines up to 5km, in safe or hazardous areas. A typical application is the temperature maintenance of crude or fuel oils in above ground or buried transfer lines.

Longline (HTS1F) minimises the number of electrical supplies needed and so minimises supply cabling and distribution equipment costs. Circuits are often fed at the pipe ends only.
 
The number of heating cables and their conductor size is varied to produce the desired heat output for the circuit length required. The Longline (HTS1F) heating cables are connected directly to the 3 phase mains voltage or to a step-up transformer.
 
The large heated surface of Longline (HTS1F)’s flat foil construction results in lower operating temperatures than equivalent round conductor constructions thereby improving safety and system life. The high efficiency produces high power capability up to 60W/m for each cable.

Longline (HTS1F) heating cable may be straight traced or spiral traced to above ground pipes. The insulation material is silicone rubber ensuring the cable is very flexible. For buried lines, cables are usually drawn into channel raceways within a pre-insulated pipeline system. The installation of Longline (HTS1F) is quick and simple and requires no special tools.  See Product, Application and Documentation Links below.

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Silicone Outer Jacket

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Fluoropolymer Outer Jacket
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Product Specification

Maximum Withstand Temperature 230°C (446°F)

Longline (HTS1F) is available in outputs upto 60 W/m as illustrated on the graph to the right.  The graph shows the nominal power output at 480V 3 phase, 1000 metre long pipe with 1 x 12mm² conductors, 3 cables, when installed on insulated metal pipes.  The output of the cable is varied by changing the voltage or the size of the conductors.  Click on the graph to see a larger version.

Maximum Withstand Temperature

HTS1F-xS 230°C (446°F)
HTS1F-xF 205°C (401°F)

Maximum Energised Temperature HTS1F-xS 208°C (406°F)
HTS1F-xF 192°C (377°F)
Minimum Operating Temperature -80ºC (-112ºF)
Power Supply

Upto 600V 3 phase

Cable Dimensions

HTS1F-xS 23.0 x 9.0 mm
HTS1F-xS 22.0 x 8.0 mm

Click on the graph to see a larger version.
Nominal power output  against pipe temperature

Approvals and Certification
HTS1,2,3 03ATEX3292
FSM,FSLe,FSr,FSP,FSS,AHT,MTF,EMTF,HTS1,2 & 3F 3009080
EC DoC HTS1F, 2F, 3F
AHT,HTS1F,HTS2F,HTS3F AA87.B.00611
Product and Application Datasheets
HTS1F Datasheet
Long Pipes above ground
Long Pipes Buried

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