Parallel groove clamp PG clamp Aluminum

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Ada Wang

Email: ada@cropgroupcn.com

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The PG parallel groove clamp is used for the connection of small and medium cross-section aluminum stranded wire or steel core aluminum stranded wire, and the steel stranded wire of overhead lightning protection wire at a position that does not bear tension. parallel groove connector is also used for the jumper connection of non-linear poles. Power engineering materials (fittings) are used for interconnection of connecting wires, which are mainly used in power line engineering.

The bolted type parallel groove clamp is made of plate-plate structure and aluminum alloy material. Relying on the fastening pressure of the bolt, the connected wire is fixed in the upper and lower grooved splints to complete the connection, and then transmitted through flat washers and spring washers. Provides a relatively uniform and constant pressure to the connecting wire. It can be disassembled after installation. It is often used at the jumper or ground wire lap joint at the strain end of the line to ensure that the clamp has sufficient and even pressure on the wire. The parallel groove connector generally adopts a two-bolt or three-bolt structure, and the installation requires uniform force when tightening the bolts. Sometimes in order to ensure the reliability of operation, two or three clamps are connected in parallel at equal intervals during line construction. The holding force of the bolt-type parallel groove clamp to the wire is about 10%-20% of the calculated breaking force of the wire.