What should be done in use to address caking caused by isocyanates and water vapor?

2016-03-01View Original

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The material is pumped using a gear pump, and it’s inevitable that the seal at the shaft seal area isn’t very good (it’s a packing seal). After pumping the material, the pump head isn’t cleaned, and when it’s used again after some time, the pump simply won’t rotate – presumably because the seal at the shaft seal area has become stuck. What should be done in such a situation? A gear pump with a mechanical seal? Do you clean the pump head with a solvent after each injection? What solvent is good? Please let some experienced sea travelers share their insights.

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What should be done in use to address caking caused by isocyanates and water vapor?

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