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  1. Luigi De Micheli

    A105/LF2 Cl.1 dual certified for High temperature

    Is possible use A105/LF2 dual certified cl.1 for service temperature 400°C ? In The B16.34, A105 and LF2 means 425°C ( but not raccomanded)
  2. Luigi De Micheli

    Pipe size ( (1 1/4" , 1 1/2" , 5" ) not reccomended on ANSI standard ?

    Dear all, in the past i seem to recall an ANSI standard wrote ( pipe size 1 1/4" , 1 1/2" , 5" ) were not reccomended. Something of us remember what is this ANSI standard ( sorry for my english) ?
  3. Luigi De Micheli

    Temperature Range ( minimum / maximum ) for duplex/superduplex material ( F51, F53, F55)

    Good days to all; I'm a question regarding the minimum/maximum temperature range of duplex/superduplex materials. I'm Considering Valves in stainless steel ( F316/CF8M ) with the stem in ASTM A 182 F51 ( or F53,F55 ) How is the range of min and max temperature?

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