Piping Prefabrication Steps


Procurement of material
Receiving Inspection/Material Inspection
Material Identification

Pipe Cutting Process

Straight Pipe

Groove Preparation

Drilling Process

Temporary Welding
Temporary Welding Inspection
Welding
check with Welding Process Record (Visual/Dimen)
Non-destructive inspection
PT/RT
Pressure Test for Piping

Surface Penetration
Inspection
Painting

Assembly of Piping/Equipment
Visual/Dimensional Examination
Air Tight Test
Inspection
Cleaning/Painting
Inspection
Packing

Identifying Stamp
TAG / Name Plate Shipping Inspection
Shipment


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