What makes air compressor second stage discharge pressure be abnormally high?

asked 24 Jan '18, 09:39

Jan. 24, 2018, 9:39 a.m.
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This could happen because of:

  1. Leakage of compressed air on inlet side of stage 3 cylinder due to failure of stage 3 inlet/ discharge valve or reduced volume efficiency of stage 3 cylinder due to the reversed flow of compressed air on discharge side into the cylinder. Check the stage 3 inlet/discharge valve in the same way as for the stage 2 inlet/discharge valve, and replace it with spare or repair.

  2. insufficient cooling capacity of stage 2 capacity of stage 2 intercooler check the cooling water system, and if the flow rate is OK. Clean the cooler.

  3. Faulty pressure gauge. Replace or repair the pressure gauge.

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answered 24 Jan '18, 09:46

Jan. 24, 2018, 9:46 a.m.
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