Urea, also known as carbamide, is an organic compound. More than 90% of world industrial production of urea is destined for use as a nitrogen-release fertilizer. Urea has the highest nitrogen content of all solid nitrogenous fertilizers in common use. Its properties are known since early 1900 but the chemical reaction has been constantly improved since then and requires extremely high corrosion-resistence steels. Belleli mastered the welding of duplex and Super-duplex steels and constantly collaborates with the most important worldwide EPC in the Urea process.

Urea Pool Reactor

Type of equipment:

  • Ultra Low Energy Pool Reactor
  • Urea Reactor
  • Urea Stripper
  • Urea Scrubber
  • Pool Reactor
  • Pool Condensers
  • Carbamate Condenser

Units delivered: more than 60

Max weight: 500 tons

Urea HP Condenser


  • Safurex
  • DP28W
  • 316L Urea Grase Stainless Steel
  • 25-22-2 High Alloy Steel
  • Duplex

Process licensors: Stamicarbon, Toyo Engineering, Snamprogetti

Ammonia is a compound of nitrogen and hydrogen. A typical modern ammonia-producing plant first converts natural gas (methane) or LPG (liquefied petroleum gases such as propane and butane) or petroleum naphtha into gaseous hydrogen. The method for producing hydrogen from hydrocarbons is known as steam reforming. The hydrogen is then combined with nitrogen to produce ammonia. This product is a clear colorless liquid Corrosive to metals.

Belleli is a qualified supplier of all main process equipment involved in an Ammonia plant since 1974.

Type of equipment:

  • Ammonia Converter
  • Ammonia Converter Internalbaskets
  • Waste Heat Boilers
  • Gas-Gas Exchangers
  • Ammonia Converter Feed Effluent Exchangers
  • Transfer Line  

Units deliverd: more than 180

Max weight: 553 tons

Max dimension:

  • 32.950 mm
  • 5.000 mm diam
  • 196 mm thk


  • High Carbon Steel
  • 0.5 Mo Low Alloy Steels
  • 1.25 Cr 0.5 Mo Steel
  • 2.25 Cr 1 Mo
  • 2.25 Cr 1 Mo 0.25 Vanadium modified steels
  • Stainless Steel

Process Licensors: KBR, Thyssen-Uhde, Haldor Topsoe, Snamprogetti, Ammonia Casale