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  1. smithcl

    DIN 1.6948 (26 NiCrMoV 11-5) Equivalent?

    The compressor is a Demag Delaval and I have the material of the stud bolts listed as 26 NiCrMoV 11-5 in the OEM's parts listing. A German colleage gave me a copy of a Werkstoff chart which listed 26 NiCrMoV 11-5 as DIN 1.6948 as well as SEW 555. I was trying to find an equivalent alloy in...
  2. smithcl

    DIN 1.6948 (26 NiCrMoV 11-5) Equivalent?

    I have compressor stud bolts made of 26 NiCrMoV 11-5 or DIN 1.6948. An A-471, Class 1 to 6, may be a close match. Does anyone have a good reference on an approximate equivalent to 1.6948? Thanks
  3. smithcl

    Code Boundaries Question

    Read Sec VIII U1(C)(2)to see if Sec VIII applies. Your cooler may be too small.
  4. smithcl

    difference between gasket and a seal

    I think that a gasket normally prevents leakage between stationary surfaces while a seal prevents leakage at dynamic or moving surfaces. We gasket a pipe flange and seal a valve stem.

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