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  1. Mech-Engineer

    SA-335 Grades

    Hello, I am looking at a process which has a design temperature of 470 Deg. C (max operating temperature 450 Deg. C). Piping design code ASME B31.3. Fluid service is non-corrosive. SA-335 P1 has been proposed as a suitable material. As far as I can see this material is acceptable as per...
  2. Mech-Engineer

    Cryogenic Valves

    Hello, Wondering if anyone can suggest a good valve selection handbook or guidance on selection of cryogenic valves? Specifically looking at cryogenic on-off valves in sizes 8” and above and pressure classes 300# to 1500#. Interested in user experience with globe, ball and butterfly valves at...

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