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  1. ER_Azza

    Options: Booster pump at start or halfway

    Hi Gent A bit of challenge. The Project team is considering to install a booster pump to compensate for the elevated location of the collecting dam for slurry. One option is relocate at the current pumping station. Another option is to install almost 1/2 way. I guess there are pros and cons for...
  2. ER_Azza

    Wafer check valve with half groove threaded holes of both flanges

    I've seen similar design at an oil refinery. I meant the a couple of holes bigger than the rest. It was awhile back and could not find it in any specific standards. In the end, it was the manufacturer design to facilitate installation for a big flange. Worst, it used JIS Standard for main flange...
  3. ER_Azza

    Syphoning effect on pipework

    Hi All Thanks for all the feedback and advise. Yes, I finally put an inexpensive vacuum breaker on the line. There is a high point on the pipe which I managed to install a 1" vacuum breaker. That did the job.
  4. ER_Azza

    Syphoning effect on pipework

    HI all, Thanks again for the feedback. The vacuum breaker I had in mind is the a simple one. https://pressuresystems.com.au/product/ps-series-a196-stainless-steel-anti-siphon-vacuum-breaker/
  5. ER_Azza

    Syphoning effect on pipework

    Thanks all for the quick feedback. Will the arrangement below work using a Vacuum breaker?
  6. ER_Azza

    Syphoning effect on pipework

    Hi All We had recently changed our pump (for our effluent system) from a screw pump (BLUE PUMP) to an air operated diaphragm pump. Simple setup. When we stop the diaphragm pump, the discharge pipe maintain its syphoning effect and still pull the effluent from the suction side (due to the...
  7. ER_Azza

    Line pipe blinds feedback please

    Thanks all. At this stage, I am not really keen..... 1) Cost against the frequency of use (therefore man-hours) 2) As per LittleInch, when the actual operation take place, once every 2 years shortest, or 4 years likely, the associated equipment might failed due to the factors discussed.
  8. ER_Azza

    Line pipe blinds feedback please

    Hi Attached is the line blind I was referring to. I know few manufacturer. One of them is Strahman. However, for my particular application, the size is of the pipe is DN600 and will have valves upstream and downstream of the blind to isolate the system, and release the pressure before...
  9. ER_Azza

    Line pipe blinds feedback please

    Hi All I am considering putting in line blind in place of spec blind on our venting (DN600) pipe. However, I could not find the review on the performance and reliability of these line blind, other than from the OEM, which is obviously biased. We would need to swing the current spec blind once...

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