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S-21 In-line Splice, QTVR, Heat Shrink


nVent Raychem S-21 Heat-shrink under insulation in-line splice kit. Designed for the in-line joining of nVent RAYCHEM self regulating QTVR heating cables. All kits are approved for use in hazardous areas.

For large quantities, including over 100m of cabling, contact us to discuss contract pricing and credit accounts.


The splice kits employ easy to use heat-shrinkable tubing with an adhesive, that when heated forms a semi-flexible moisture proof encapsulation.
Electrical continuation is maintained via crimps for the conductors and a solder connection for the braid of the heating cable.
Due to its low profile design the finished splice can be installed under the insulation, directly on the pipe. Maximum exposure temperature 135°C.

Product code: 358745-000

Download Datasheet

Download Datasheet


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