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What type of level gauge is suitable for storage tanks used in polyurethane products?

2009-03-13View Original

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Polyurethanes are macromolecular compounds; some of their variants have a molecular weight of over 3000, exhibit high viscosity and high melting points, and are generally in a solid state at room temperature. Initially, EJA-220 differential pressure transmitters were used, but in cold weather the temperature at the bottom of the storage tank was low enough to cause freezing, which made it impossible to take measurements. When the temperature was high, misty gases could form at the top of the storage tank

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