- Haydale Graphene Industries said an analysis performed by client National Grid showed that its transition pieces carried a low risk rating.

Haydale is set to install nine of the transition pieces this year for National Grid.

The equipment provides a seal where gas pipes pass through reinforced concrete walls.

'National Grid has found that Haydale's composite transition piece represents a huge step forward in safety and efficiency, solving a major problem for the national gas transmission network at a reduced cost over the systems life-time,' Haydale said.

At 1:45pm: [LON:HAYD] Haydale Graphene Industries Plc share price was +0.03p at 2.05p

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