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ARM. & UN-ARM. JOINTS
Description
Inline joints for plastic and rubber insulated cables up to 1 kV with or without armour or concentric
Neutrals.
While fully comparable in ease and speed of installation to other modern methods, Raychem joints also eliminate mixing, pouring and topping-up delays, as they require no jointing compound or resin. This feature cuts out curing time and enables the joints to be buried immediately. As the joint components are of Heat shrinkable material, they can also be held in stock in varying climatic conditions without risk of long-term deterioration.
Installation
Applying equally well to both armoured and unarmoured cables, the Raychem technique achieves insulating and sealing in one step by heating. This causes tubing, slipped over the cores before jointing, to shrink to tightly fit the connectors and insulation. At the same time the heat causes adhesive, supplied already pre-coated on the inside of the tubing, to melt and flow. The high integrity bond thus formed seals out moisture and corrosion, follows the thermal expansion of the cable, and can be reliably made on a range of core sizes and connector types without special skills or procedures.
