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  1. rajeshnair1977

    Flange Drilling

    Gate Valves , Ductile Iron Body ASTM A536 ,Gr.70.50.5 c/w Class250 Flange ASME B16.1
  2. rajeshnair1977

    Flange Drilling

    Thanks for your response. Actually manufacturing is supplying the Gate valves with Class250 Raised flange. Question from EPC Contractor : Drilling of End Flange should be - ASME B16.15 Class150 ( Its possible comply the above comments ) Regards RAJ
  3. rajeshnair1977

    Flange Drilling

    Hi engineers, In Class250 Raised Face Flange - It is Possible to Drill ASME B16.15 Class150 Regards RAJ

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