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Recent content by olfar

  1. olfar

    Impact testing of products to ASTM A105 and A106 and use below Fig. 323.2.2.A Curve B

    I do agree that it is no harm to carry out impact testing. However, the question is if products to ASTM A105, pipes to A106 Grade B and fittings to A234 Grade WPB, can be used for minimum design temperature of -29 deg C when wall thickness is greater than 12.7 mm, provided impact testing at -29...
  2. olfar

    Impact testing of products to ASTM A105 and A106 and use below Fig. 323.2.2.A Curve B

    Hi Engineers, The use of flanges to ASTM A105, pipes to A106 Grade B and fittings to A234 Grade WPB are limited to Curve B according to ASME B31.3 Table A.1. All these product standards do not specified impact testing of the relevant products. I notice that some users prepare Piping Class...
  3. olfar

    Material selection cooling hot produced water

    Thanks to you all for good answers. I agree that Titanium Grade 2 is suitable for the seawater side, however, are there any risk for crevice corroison at the produced water side? Max temperature for Grade 1 and 2 is 80 deg C in salt solutions according to Titanium Technical Data Sheets. Any...
  4. olfar

    Material selection cooling hot produced water

    I'm asking for advice regarding material selection for a plate heat exchanger that shall be cooling hot produced water, maximum temperature of 130 degree C, by ambient seawater. The produced water contains max 180 000 mg/l with chlorides and shall be free from oxygen. Seawater inlet temperature...

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