Orbinox UK Ltd These ORBINOX ‘BC’ series square ported knife gate valves are destined for use on a fly ash bulk handling application within a coal fired power station. Fabricated from carbon steel S275JR, with a 316 s/steel gate, c/w special rollers to guide the gate throughout it’s stroke. The valves are painted in accordance with ISO 12944 C5M paint system, in compliance with the project specifications. ORBINOX – Expect more than products, expect solutions