SERCO Case studies:


a long experience of on-site flange facing


Combined turbine inlet flange


PRODUCTS & EQUIPMENT


Flange OD: DN250 No. of bolt hole: 12 Seal face type: flat Machine: TU600


Procedure: Clean surface Re-welding the corrosion part Machining with cutting tool


Fine machine with insert bits


Combined reactor pipe flange


Conditions:


Seal face corrosion Upside Working above ground


DESTINATION PROGRESS.


WITH TUBE MANIPULATION MACHINES FROM TRANSFLUID®


. www.transfluid.net Before


Flange OD: DN400 No. of bolt hole: 20 Seal face type: flat Machine: TU600


Procedure: •Clean surface • Machining with cutting tool


• Low rotation, low feeding


•F ine machine with insert bits


After Conditions:


•Seal face corrosion • Cutting Depth: 0.3mm (the machining cutting depth determined depending on the corrosion situation)


• Surface tolerance: Ra1.6


www.internationalmetaltube.com 4 IMT February 2019 17


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