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  • Users: Keith84
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  1. Keith84

    Flanging to high pressure reciprocating compressor with flat faced cylinders

    This seems like a piping question to me, but if it's in the wrong area, please let me know. At my company, we've been working on refurbishing and repackaging a couple Ariel recips that originally started as gas compressors and are being turned into higher-pressure syngas compressors. One is an...
  2. Keith84

    Are tubesheet gasket grooves necessary? If so, when and where and how?

    Hello everyone, The quick question: Is it common or even standard practice to machine flange-face-style gasket grooves into a tubesheet, so that the gasket seats and seals similarly on its tubesheet side and its flange side (since the flange usually has gasket grooves)? If so, how's it...
  3. Keith84

    Stainless and carbon steel fittings being used together

    I wasn't exactly sure which forum to post this in, so please move it to the appropriate one if necessary. I'm a chemical engineer, and we're building a really small pilot plant right now. The piping is threaded and doesn't go above 1". As usual, I've been called in on the tail of a project...
  4. Keith84

    Possible to use SPST pressure switch as DPST?

    This is my first post in the forums. I'm a chemical engineer, so please forgive any ignorance I show when I'm over in the instrumentation neck of the woods. As the thread title already indicates, I need to know whether one can control two circuits with a SPST switch. For the refrigeration and...

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