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Raychem 15VPL2-CT Self Regulating Trace Heating Cable

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Part Number: 068380-000
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RangeRaychem VPL Self Regulating Heating Cable
Model15VPL2-CT

VPL is a family of power limiting heating cables designed for pipe and equipment heat-tracing in industrial applications.

VPL can be used for frost protection and process temperature maintenance requiring high power output and/or high temperature exposure. VPL can provide process temperature maintenance up to 235°C (depending on cable type) and can withstand routine steam purges and temperature exposure to 260°C with power off.

Power-limiting cables are parallel heaters formed by a coiled resistor alloy heating element wrapped around
two parallel conductors. The distance between conductor contact points forms the heating zone length. This parallel construction allows it to be cut-to-length and terminated on-site. The power output of VPL heating cables decreases with increasing temperature. VPL heating cables can be overlapped once. The relatively flat power temperature curve of VPL ensures a low start-up current and high output at elevated temperatures. VPL cables are approved for use in hazardous areas. Approvals are listed below.

Application

Area Classification:

  • Hazardous, Zone 1, Zone 2 (Gas), Zone 21, Zone 22 (Dust)
  • Ordinary

Traced Surface Type:

  • Carbon steel
  • Stainless steel
  • Painted or unpainted metal

Chemical resistance:

  • Organics and corrosives
  • For aggressive organics and corrosives consult your local Pentair representative

Approvals

The VPL heating cables are approved for use in hazardous areas by Baseefa Ltd.

  • Baseefa06ATEX0188X & IECExBAS06.0048X
  • II 2GD & Exe II T* (see schedule) Ex tD A21 IP66
  • Ex e II T* (see schedule) Ex tD A21 IP66​

*By design. Temperature classification (T-rating) has to be established by using the principles of stabilized design or the use of a temperature limiting device. Use TraceCalc design software or contact Pentair.

Maximum Circuit Length

Based on type 'C' circuit breakers according to EN 60898

Electrical Protection Sizing Start Up Temperature Maximum Heating Cable length per circuit(M)
16 A -20°c 195 100 70 50
+10°c 215 110 75 55
25 A -20°c 220 155 105 80
+10°c 2220 155 115 85
32 A -20°c 220 155 130 100
+10°c 220 155 130 110
40 A -20°c 220 155 130 110
+10°c 220 155 130 110

*The maximum heating cable length must not exceed these values, even when voltage adjustment factors are used.
The above numbers are for circuit length estimation only. For more detailed information please use the Pentair TraceCalc software or contact your local Pentair representative.

Pentair requires the use of a 30 mA residual current device to provide maximum safety and protection from fire.
Where design results in higher leakage current, the preferred trip level for adjustable devices is 30 mA above any inherent capacitive leakage characteristic of the heater as specified by the trace heater supplier or alternatively, the next common available trip level for non adjustable devices, with a maximum of 300 mA. All safety aspects need to be proven.

Cable 208 V 230 V 254 V 277 V 400 V 480 V
Maximum maintain or continuous exposure temperature (power off) 5VPL2-CT 235°c 230°c 225°c 225°c - -
10VPL2-CT 220°c 210°c 200°c 195°c - -
15VPL2-CT 200°c 180°c 145°c 105°c - -
20VPL2-CT 150°c 150°c - - - -
5VPL4-CT - - - - 230°c 230°c
10VPL4-CT - - - - 215°c 205°c
15VPL4-CT - - - - 195°c 160°c
20VPL4-CT - - - - 150°c 150°c
Technical Specifications
Maximum intermittent exposure temperature (power off) 260 °C
Minimum bend radius At 20°C: 20 mm
Minimum bend radius At -60°C: 20 mm
Minimum installation temperature -60 °C
Temperature Classification To be established using the principles of stabilized design or the use of a temperature limiting device.

Frequently Asked Questions

We make every effort in answering your questions. Below is a list of those questions we are frequently asked. Click on a question to expand its answer.

What is self regulating heating tape?

Self limiting / self regulating heating tape adjusts heat output to equal the heat loss from the pipe work. As pipe temperature falls the electrical conductivity of the semi-conductive core increas...

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Can you design a full surface heating system for me?

Yes, utilising our in-house design facilities, we can design your complete trace heating requirement.

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Can I use heat trace on plastic pipes?

Yes, when using trace heating on plastic pipes ensure that ATE- 180 aluminium tape is used to help disperse the heat around the pipe.

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Do I need to use thermal insulation?

Yes, thermal insulation is required on all heat trace applications. Without insulation, surface heat losses can increase approximately 4-5 times.

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Do I have to spiral the trace heating onto the pipe?

Most applications can simply be straight traced, reducing costs of materials and installation time without compromising on operational requirements.

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How do I terminate the heating cable?

Full termination instructions are provided with all our heating tapes

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Do I have to allow extra heat for pumps and valves?

If the surface area of the pump is substantially greater than that of the adjoining pipework then extra heating cable may need to be considered (depending on wattage of cable installed). Pumps and ...

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Does my trace heating system require maintenance?

Generally, no maintenance of our trace heating systems is required but it is recommended that the system is checked for operational and electrical integrity periodically or prior to the winter or p...

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How do I test my trace heating system is working properly?

System checks depend on the system installed, constant wattage systems can be fully checked for insulation resistance and continuity. Self regulating systems can only be checked for insulation resi...

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What is Heat Trace?

This is used for a pipe freeze protection application. Electric heat tracing, heat tape or surface heating, is a system used to maintain or raise the temperature of pipes and vessels. Trace heat...

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What is heat tape for water pipes?

When water pipes are exposed to cold temperatures either outdoors, underground or in small spaces, you can protect them from freezing by wrapping them with heat tape. Heating tape is actually a cor...

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