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Recent content by hsbcn

  1. hsbcn

    Valve cleaning question

    When it comes to cleaning, it's important to know why you're cleaning. Would an ultrasonic bath suffice? Or are these valves for oxygen service? If so, you might have to move to a dust-free clean room. I work with valves in exotic alloys at alloy-valves.com. This is me on Twitter and...
  2. hsbcn

    Valves in Amine Unit

    Generally speaking, 300 series steel is sufficient for Amine service, but this depends on the operating parameters. Specifically, pressure, temperature and the type of amine (MEA, DGA, DIPA, MDEA or DEA) as well as a possible build-up of heat stable amine salts which can accelerate corrosion...
  3. hsbcn

    API 6D

    Try API's own site for training information: http://www.api.org/events-and-training I work with valves in exotic alloys at alloy-valves.com. This is me on Twitter and LinkedIn. Let's connect!
  4. hsbcn

    Extended Bonnet valve

    What DN bore are we talking about? I work with valves in exotic alloys at alloy-valves.com. This is me on Twitter and LinkedIn. Let's connect!
  5. hsbcn

    PTA welding on hard materials by nature - inconel,monel & duplex material

    Different methods and techniques apply to different underlying alloys. Have a look at the attachment, which should help you specify your query. I work with valves in exotic alloys at alloy-valves.com. This is me on Twitter and LinkedIn. Let's...
  6. hsbcn

    Request For Piping Valves Data Sheets

    Such a broad objective will get you a infinite amount of information! Before you start collecting it, you might want to narrow down your efforts by deciding the valve types you want to work with, the design and testing standards, maybe a size and pressure range, and the main body/trim...
  7. hsbcn

    ASME B16.34 / Body Minimum Wall Thickness

    Basic inner diameter values are used as parameters related to wall thickness and consequent pressure rating, and inside diameter is the nominal bore value, which is related to flow calculations. I work with valves in exotic alloys at alloy-valves.com. This is me on Twitter and LinkedIn. Let's...
  8. hsbcn

    Spring Check Valves Material - Ductile Iron vs Cast Iron

    Snoprey, what kind of "corrosive matetrial" is being discharged? Iron (whether cast or ductile) might not make the cut if depending on what's passing through the valves. You might want to share process data so that we can offer better feedback. I work with valves in exotic alloys at...
  9. hsbcn

    Cast steel or forged body valve.

    If the valve body says "316L", this could be a stainless steel forged A182 F316L body. On the other hand, the same marking seems to show that this is is a 4" valve. Is this so? In that case, chances are that this is not forged (even though the 316L marking might suggest otherise). I'm...
  10. hsbcn

    Confined Gasket for gate valve class 150#

    Try KSB's Ecoline gate valves; they cover the Class 150 - 600 range, including globe valves. I work with valves in exotic alloys at alloy-valves.com. This is me on Twitter and LinkedIn. Let's connect!
  11. hsbcn

    Downstream consequences of flashing through a globe valve

    Have you looked at the following thread? http://www.eng-tips.com/viewthread.cfm?qid=274331 I work with valves in exotic alloys at alloy-valves.com. This is our blog, and this is me on Twitter and LinkedIn. Let's connect!
  12. hsbcn

    System efficiency

    pdp123: what's your question or query? I work with valves in exotic alloys at alloy-valves.com. This is our blog, and this is me on Twitter and LinkedIn. Let's connect!
  13. hsbcn

    spring design

    There's no quick answer to this; you might want to read up on the issue: http://www.scientific.net/KEM.474-476.102 I work with valves in exotic alloys at alloy-valves.com. This is our blog, and this is me on Twitter and LinkedIn. Let's connect!
  14. hsbcn

    Valve - hardness test

    Hardness tests can be done by using a Brinell Hardness Test. This gives you the tensile strength at the measurement point. I work with valves in exotic alloys at alloy-valves.com. This is our blog, and this is me on Twitter and LinkedIn. Let's connect!
  15. hsbcn

    Hastelloy C276

    Drop us a line on alloy-valves@alloy-valves.com, we should be able to quote you. I work with valves in exotic alloys at alloy-valves.com. This is our blog, and this is me on Twitter and LinkedIn. Let's connect!

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