Apparatus/Vessels/Tanks

Heat exchangers - Combined-cycle Power Plant Mellach / Germany

Scope of services:

• Engineering
• fabrication and
• supply of 4 U-tube heat exchangers

Weight: 55 tonnes each
Length: 14 m
Diameter: 2,5 m
Material: P355NH
Orderer: SIEMENS AG Österreich
Period of time for realization: September 2009 – April 2010

Heat exchangers Power Plant Salzgitter / Germany

Scope of services:

• Engineering
• fabrication
• supply and
• erection of

8 Low-pressure heat exchangers
Weight: 15 tonnes each
Length: 8,5 m
Diameter: 1,2 m
Material: P355NH

6 High-pressure heat exchangers
Weight: 25 tonnes each
Length: 8,5 m
Diameter: 1,0 m
Material: 13CrMo4-5

Orderer: Salzgitter Flachstahl GmbH
Period of time for realization: 2007 – 2010

Columns for chemical industry / Germany

Scope of services:

• Detailengineering
• fabrication and
• erection of

5 columns, including the erection of 140 column tray each
Total height: 72 m each
(Prefabricated in 2 parts, each 36 m long)
Total weight: 170 tonnes each
Year of fabrication: 2005, 2006 und 2008

2 columns
Total height: 58 m each
(Prefabricated in 2 parts)
Total weight: 105 tonnes each
Year of fabrication: 2007

7 columns
Total height: 72 m each
(Prefabricated in 2 parts, each 36 m long)
Total weight: 170 tonnes each
Year of fabrication: 2008/ 2009

Material: 1.4571
Orderer: Chemical Industry, Germany

Heat exchanger CCPP Köln-Niehl / Germany

Scope of services:
Heat engineering, detailengineering and fabrication of

• 1 Preheater I 160 MW, weight approx. 72 tonnes
• 1 Preheater II 104 MW, weight approx. 55 tonnes
• 2 Coolers each 13 MW, weight approx. 18 tonnes each

Material:
Shell P355GH
Tubes 1.4571 u. 1.4301
Orderer: Siemens
Year of fabrication: 2003