preparation of material
in fitter's shop

                                        welding process:
                                        longitudinal seam

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   welding process:
   stainless steel vessel
   (bottom + cover)

                                             welding process:
                                             tack welding of a small
                                             filterwaterseparator

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welding process:
stool welding on large
vessel beyond standard

                                             welding process:
                                             final step (legs)

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     vessels ready for
     surface treatment

                                          surface treatment:
                                          sandblast process

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hydrostatic vessel
pressure test

                                              final assembling
                                              on vessel covers

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a lot of stainless steel
filterwaterseparators ready
for final assembling

                                    filterwaterseparators
                                    completely assembled

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filterwaterseparator
on wooden flat to be
completed with wooden
box prior shipping