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  • Users: ema
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  1. ema

    Need for online COD analyzer

    Can anyone suggest producers for online COD analyzers? Are they really analyzing "COD" or they just correlate it with dissolved organic compounds (using SAC)? What are the possible alternatives for monitoring effluent COD concentrations "delay-free"? Regards, ema
  2. ema

    Pressure Reducing & Relief Valve

    Hi everyone! Is there a possibility to use an existing pressure reducing valve as a relief valve with some small modifications? Or they are totally different in construction? We have one old pressure reducing valve installed on a water supply pipe line but we have installed a new well pump just...

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