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  1. deerun75

    Installing a compressor hot gas bypass

    By the way, it's also used to control compressor surge!
  2. deerun75

    Installing a compressor hot gas bypass

    Thank you all for the replies. As evident from some responses, some people do not know anything about this practice. I did come here for some help since I couldn't get much online and can't get my hands on reference material. I have researched further and: 1. It is used to reduce emissions...
  3. deerun75

    Installing a compressor hot gas bypass

    Art, I do appreciate your "candid" talk. Any engineer who works in oil and gas will tell you that installing recycles or hot gas bypass on gas compressors is actually a very common process. It's not rocket science. It's simply to eliminate emissions given off during compressor startup and...
  4. deerun75

    Installing a compressor hot gas bypass

    The compressors are reciprocating types. The recycle is been instaled to eliminate gas given off to the atmosphere during blow downs (emissions control). Are there calculations to be made? What do I need to find out to make sure that the recycle does not over pressure where it's tied in at the...
  5. deerun75

    Installing a compressor hot gas bypass

    I am trying to learn how to design compressor recycles. Is there a standard for that (API, ASME)? How do I determine what part of the suction to connect the recycle line? Any and all assistance will be appreciated. Thanks.
  6. deerun75

    PSV set point.

    The air tanks/vessels are rated for 101 psi. Also, P&ID is attached. Thanks for your assistance.http://files.engineering.com/getfile.aspx?folder=7f8ef531-2a55-498b-9bc1-381d51ebe235&file=example.pdf
  7. deerun75

    PSV set point.

    I have a starting air process with a series of vessels in series. Each vessel is equipped with a PSV. The first PSV is set at 100 psi. At what pressure can I set the other PSVs? Setting them at 100 psi seems redundant since the first PSV will trigger at that pressure. Should I lower/increase the...

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