OPGW stringing block
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Cradle Block Fibre Optic Cable Replacer
This device is specifically designed for replacement of an existing ground wire (G.W.) with OPGW (Optical Grounding Wire).
It is composed by two galvanized steel half frames linked by a ring with a swivel plate.
In each frame are fitted:
1. one grooved nylon roller with two ball bearings
2. three nylon plates to guarantee the OPGW protection
One side of each frame can be easily opened by a knurled nut.
The frame have been designed in order to avoid any contact of the OPGW with the steel part.
Use: OPGW Double pulley replacer is specially used for hot line OPGW changing project. It can be used for changing the old earth wire into OPGW cable. The sheaves are made of high strength MC nylon or aluminum. The frame is made of galvanized steel.