Manufacture of Domed Ends: with drawing presses or spinning machines Welding: Automatic sub-merged arc welding for body circumferential seam Surface Treatment: shot blasting, zinc metalizing with electric arc or flame-type spray plants, spray painting or powder coating |
Manufacture of Bodies: from steel plates, with guillotine shears and rolling machines Assembly: domed ends and body are assembled on hydraulic devices Hydrostatic Pressure Testing: on special, individual test benches Quality Assurance:
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