NJC Thermal Covers design, manufacture and supply , removable energy saving covers for just about anything!!.......in temperature ranges upto 1000 Deg C. We make covers for valves, flanges, etc.............any inline fittings. Heat exchangers, boiler fronts and backs,calorifiers,control valves, test bed plant, generator induction loops etc etc...........If it needs an insulation cover WE can design and make it. We supply the whole of the UK and Europe.