Profile: North Valley Metal Co., (Colne) Ltd. specializes in manufacturing & supplying a wide range of components and related security products to industrial doors and shutters. We offer a comprehensive range of tube motors from a 45 mm 50 N.m model to the hefty 92 mm dia 230 N.m heavy duty model, accompanied by a complete range of crowns and adapters to suit all tube sizes. Motors are fitted with an internal brake and easily adjustable limits. We supply fire exit steel doors, personnel steel doors & fire rated steel doors, and offer a range of both standard stocked steel door sets and made-to-measure bespoke steel door sets.