Inflatable Isolation Barriers that can be inserted through most existing access doors in large duct work. The are constructed ... out of a variety of durable wear resistant fabrics rated up to 500°F (260ºC). Applications are in SCR’s, FGD’s, Gas Turbines, HRSG Exhaust Stacks, Primary Air Ducts in Coal Pulverisers, Axial Flow Fans, Inflatable Bulkheads, Inflatable Platforms, and F.M.E read more