Diameter  4,000 mm
4,000 mm 
Wall thickness 217 mm
+ 4.5 mm weld overlay
 209 mm

Length 29,100 mm  27,600 mm
Weight 525 MT  475 MT
Operating pressure 145.5 bar
 140.5 bar
Operating temperature 454 °C   454 °C
Material 12 CrMo 9 10
Type 347
base material 
weld overlay
Design code AD-Merkblätter  

Hydrrocracker

Hydrrocracker-03
Weld overlay (left) and UP welding of circumferencial seam (right)

Hydrrocracker-04
Transportation to Neustadt
(over a reinforced bridge)

Hydrrocracker-02
Both Hydrocracker after errection on site