Shannon Thermal Blanket Systems are offered for the purpose of energy savings on steam valves and fittings. The Shannon Thermal Blanket is a high quality reusable, removable insulation blanket, custom-fit to match components. Insulation blankets for gate valves, pressure reducing valves, flanges, strainers, steam traps, heat exchanger heads, boiler heads, PRV stations, condensate pumps and similar equipment.