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  1. PatKop

    High temp. and Stainless Steel

    Hello, Can someone give to me informations about reactions on 316L SS into high temp. 200'C ~ 300'C. What can happened if I will take two SS parts,screw them together and increase temp? Can they stuck together? Thanks in advance for answer Patkop
  2. PatKop

    Hello All, I'm testing hydrostatic

    Hello All, I'm testing hydrostatic vessel up to 600 bar (8700 psi) and just wondering what if some air will stay inside? Could be a problem to achieve 600 bar or it will be impossible to test such item. And the main problem if can be that pressure inside vessel will be higher then gauge is...
  3. PatKop

    What size of bolts for flange 150 class 1" size?

    Thanks a lot for help&info PatKop
  4. PatKop

    What size of bolts for flange 150 class 1" size?

    I have to check what kind of bolts size should be on the flange 150 class and 1" size - (ANSI16.5) 150LB (PN20) 1"NB (DN25)? On the web I have found many specifications but unfortunately they are different. Some of them shows bolts size 1/2" and some of them shows 5/8"... I'm confiused. Thanks...
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