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SC Heating Cable

Parallel circuit – Constant watt

SC Heating tape Data sheet  – Data Sheet

 

>> Heating Cable SC, parallel circuit heating cable is designed to be cut from reel lengths and site terminated to suit pipework. The heating cable consists of a number of short heating zones, each connected across a pair of continuous bus-wire conductors.

Each complete heating zone will give its full rated design output with circuit voltage applied to the bus-wire conductors.

Usage

Suitable for internal and external Freeze protection and temperature maintenance, hot water lines, oil and chemical lines, sprinkler system mains and supply piping (as listed in Clause 1 BS EN 62395-1:2006).

Construction

The heating cable has a core comprising two bus-wire conductors contained within an extruded silicone rubber sheath. The sheath is notched on alternate sides at predetermined intervals to expose a short section of bus-wire conductor.

Nickel-chrome resistance wire is wrapped at regular spacing around the core as a continuous conductor, making contact with the bus-wires at the exposed points.

After completion of the heater conductor wrapping, a high temperature soldered joint is made at each contact point ensuring that a number of conductor strands are securely bonded to the bus-wires.

An extruded outer sheath of silicone rubber is then placed over the core and heater element to complete the heater cable assembly.

Where additional protection is required for corrosive conditions extruded silicone rubber sheathing can be placed over the braided cover.

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sc heatingcable

Specification
Conductors Copper stranded flexible – 30/0,25mm (1,5mm²)
Core Silicone rubber
Heater element Nickel-chrome 80-20
Solder High melting point 296°C
Outer Sheath silicone rubber
Width 8mm (Braided version)
Thickness 4mm (Braided version)
Heater zone 1m
Braid Tinned copper
Temperature range -60°C to Max. 200°C
Standard To BS EN 62395-1:2013 Clause 1
Min. bending radius 10mm

 

Range
Type Volts Watts/m Heather zone (m) Max circuit length (m) Max recomm. pipe temp ºC
SC 8 110 8 1,0 110 190
SC 12 110 12 1,0 88 175
SC 16 110 16 1,0 80 160
SC 20 110 20 1,0 76 145
SC 30 110 30 0,5 66 100
SC 40 110 40 0,5 55 90
SC 50 110 50 0,5 48 70
SC 60 110 60 0,5 50 50
SC 8 240 8 1,0 275 190
SC 12 240 12 1,0 187 175
SC 16 240 16 1,0 140 160
SC 20 240 20 1,0 132 145
SC 30 240 30 1,0 116 100
SC 40 240 40 1,0 99 90
SC 50 240 50 1,0 76 70
SC 60 240 60 1,0 66 50
Electrical

sc-electrical

 

A 30mA trip Residual Current Circuit Device (RCCD) or Earth Leakage Circuit Breaker (ELCB) is recommended for use with heating cables.

 

Heat losses according to BS EN 62395-2-2013

To calculate heat loss per meter of pipe:

k = Thermalconductivity of insulation layer at its mean temperature
Tp= Maintain temperature
Ta= Minimumambient temp
D1= Inside diameter of theinsulation layer
D2= Outsidediameter of the insulationlayer

 

Thermal conductivity (ke) for Mineral/Glass fiber & phenolic insulation
Mean temp. °C 10 50 100 200
Mineral/Glass fiber 0,032 0,037 0,044 0,061
Phenolic 0,021 0,025 0,027

IHP works together with many leading industrial companies in Europe. As a partner and supplier, we are known for our flexibility and our high quality products and services. IHP has a business valued model and creates successful long-term relationships.

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