Dear Massabie,

You have overlooked the fact that "typical main steam piping to steam turbine" in my problem, where expansion joint can't be used for such high pressure service. At the TTV valve inlet flange three direction coldsprings can be accurately introduced. I have seen some cold springs in older day nuclear plants steam piping. After tuning the spring hangers optimally, one can bring down the load & then to reduce the creep at high temperature, cold pull can be used. How do you, all, feel- am I right ?

regards,
sam

regards