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Global Specialists

Shop built, modular equipment solutions and tailored process design reduce capital cost and energy consumption. With unsurpassed experience and a proven track record, we're with you through the complete product lifecycle. Scope can incorporate detailed design packages, installation and commissioning support, training, service contracts and plant optimization studies.

 

Refining

Range of reactors, drums, separators and bolted in shell and tube heat exchangers. Working with leading process licensors including UOP, Axens, Conoco, Shell, Chevron, Haldor Topsoe and Lummus (McDermott).

  Hydrocracking and Hydrotreating
The removal of sulphur, nitrogen and other contaminants from naphtha feedstocks at high temperatures and pressures.

specialty heat exchanger for hydrocracking
specialty heat exchanger for hydrotreating
specialty heat exchanger for refinery
 

Materials of construction include carbon, low alloy and stainless steel and nickel alloys.

 
 

Typical units designed and built by VRV:

  • Hydrocracking reactors
  • Hydrotreating reactors
  • High pressure separators
  • High pressure feed effluent exchangers
  • Medium and high pressure heat exchangers

Production Capabilities:

  • Weight up to 300 tons
  • Length up to 40m
  • Width up to 5m
  • Thickness up to 250mm
 
 

  Continuous Catalytic Reforming (CCR)
Octanizing and Platforming - conversion of petroleum naphtha with low octane ratings into high octane liquid products.

specialty heat exchanger for hydrocracking
specialty heat exchanger for hydrotreating
specialty heat exchanger for refinery

VRV provides the complete range of main equipment for the CCR platforming process in accordance with Axens and other major licensors.

  • Platforming reactor
  • Regenerator
  • Texas Tower
  • Octanizer reactor
  • CCR pressure vessel

When the Axens octanizing process is used to produce high-octane gasoline and hydrogen VRV supplies a complete portfolio of specialty heat transfer items including: octanizer reactor, regenerator (316L SS and Incoloy 825 available), catalyst hoppers, surge drum, reduction chamber, lift pots and washing drum.

 

  Fluid Catalytic Cracking (FCC)
Upgrading of heavy distillates from crude distillation into lighter, higher value products.

specialty heat exchanger for hydrocracking
specialty heat exchanger for hydrotreating
specialty heat exchanger for refinery
  • Reactor
  • Regenerator
  • Catalyst cooler riser
 

  Alkylation
Conversion of iso-butane and low molecular weight alkenes into high quality gasoline. Units include alkylation reactor coolers, alkylation strippers and feed condensers.

specialty heat exchanger for alkylation

 
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Introducing SPINTUBEâ„¢

Retrofitting a tube bundle with SPINTUBE™ is the most cost effective way of improving performance.

 

Petrochemical

Range of reactors, separators and shell and tube heat exchangers for a variety of petrochemical processes. Working with leading process licensors including Lummus (McDermott), Versalis, Badger, LyondellBasell, ExxonMobil, DOW Chemicals, SABIC, Aker Solutions, DuPont, Chemtex, Invista, GTC Technology and UOP.

  Styrene
Monomer produced by the catalytic dehydrogenation of ethylbenzene.

specialty heat exchanger for styrene
specialty heat exchanger for styrene
specialty heat exchanger for refinery

VRV is approved by the major styrene process licensors: Versalis, CB&I Lummus and Badger and specializes in the design and manufacture of all main pressure vessel and heat exchanger components of a styrene production plant.

  • Dehydrogenation reactor (first and second stage)
  • Interchanger
  • Primary steam superheater
  • Re-heater
  • Main condenser
  • LP/LLP steam generator
  • WHE train

Typical fabrication materials are stainless steel and high alloys for high temperature (i.e. SS304H and Incoloy 825).

 

 PE / HDPE / LDPE / PP
Polyethylene is a thermoplastic polymer obtained through the polymerization of ethene.

specialty heat exchanger for polyethylene
specialty heat exchanger for polyethylene
specialty heat exchanger for refinery

Polyethylene (PE) is a thermoplastic polymer classified into several categories based on its density and branching. VRV is approved by the main licensors of Polyethylene (PE) and Polypropylene (PP) production processes: Dow Chemical, ExxonMobil and LyondellBasell. VRV features the complete range of main reactors and heat exchangers for the PE / HDPE / LDPE / PP process, including high pressure components up to 365 bar.

  • Loop reactor
  • Gas phase reactor
  • High pressure recycle gas cooler
  • Soft product cooler
  • Soft product separator
  • High pressure separator
  • High pressure wax separator
  • Compressor suction separator
 

 Terephthalic Acid (TA) and Purified Terephthalic Acid (PTA)
VRV has developed and supplied several components for TA and PTA production plants worldwide in accordance with the INVISTA license and specifications. 

specialty heat exchanger for hydrocracking
specialty heat exchanger for hydrotreating
specialty heat exchanger for refinery
  • Solvent dehydration column (typically manufactured from duplex stainless steel Tp2205)
  • High pressure dissolver (typically manufactured from low alloy steel weld overlaid in stainless steel Tp 347)
  • Crystalizer (typically manufactured from duplex stainless steel Tp2205)
 

 Polyethylene Terephthalate (PET) and Polyvinyl Chloride (PVC)
VRV provides several reactor components used in the production processes for PET and PVC. 

specialty heat exchanger for pvc
specialty heat exchanger for hydrotreating
specialty heat exchanger for refinery
  • Finisher (horizontal reactor)
  • UFPP (vertical reactor)
  • Vapor separator
  • Exchanger
  • Esterification reactor
 

 Elastomer
VRV is approved by the major process licensors: Badger, Eurotecnica, ExxonMobil, Geon (Polyone), Invista, Lummus, LyondellBasell, ThyssenKrupp, Versalis and specializes in the design and manufacture of all main pressure vessels and heat exchangers components of an elastomer production plant. 

specialty heat exchanger for pvc
specialty heat exchanger for hydrotreating
specialty heat exchanger for refinery
  • Separators
  • Polymerization reactors
  • HRU reactors
  • Heat exchangers
 

  Melamine
Major melamine process licensors such as Eurotecnica and Agrolinz include VRV in the list of qualified suppliers.

Typical units supplied include:

  • Reactor
  • HP steam generator
  • HP scrubber
  • Stripper
  • Quencher

specialty heat exchanger for melamine

 
 

  Paraxylene
VRV provides a highly sophisticated crystallizer vessel for the production of paraxylene, in accordance with the CB&I Lummus and GTC Technology licenses.

It is a large size vessel (dia: 3,600 mm, length: 21,500 mm, weight: 20 ton) thin wall, in full stainless steel with extremely tight inside tolerances in order to accommodate a scraper mixing element and a refrigerating circulation system on the exterior surface.

specialty heat exchanger for melamine

 
 

Fertilizer Production

Range of heat exchangers, reformers, reactors and separators used in the production of ammonia, urea and methanol for fertilizers.

  Ammonia
VRV is an approved vendor for all major ammonia production licensors, including Haldor Topsoe, Linde, ThyssenKrupp and Ammonia Casale.

specialty heat exchanger for ammonia production
specialty heat exchanger for ammonia production
specialty heat exchanger for ammonia production

For ammonia synthesis VRV supplies proprietary technology items including the Ammonia Converter Internals (i.e. Baskets or Cartridges) to all major processors. These items are very sophisticated in the design and construction materials and require great expertise in the fabrication process. Since the late ’80s VRV has supplied more than 60 Ammonia Converter Baskets in accordance with numerous licenses including radial flow and single-bed, two-bed and the latest three-bed catalyst designs.

 

 Methanol
Both the main licensors for the methanol process, Topsoe and Methanol Casale, have approved and qualified VRV as a vendor.

specialty heat exchanger for methanol production
specialty heat exchanger for methanol production
specialty heat exchanger for methanol production

Typical components supplied by VRV for a methanol production plant:

  • Methanol reactor
  • Boiler feed exchanger
  • Heaters
 

Polysilicon Technology

Polysilicon can be produced by Chemical Vapour Deposition (CVD), mixing Trichlorosilane (SiHCl3) and Hydrogen (H2) in a reactor at extremely high temperature (up to 1150 Celsius degrees), and through the deposition of Silicium on a filament run by electric current.

VRV has been the leading manufacturer of CVD Reactors and STC Converters for more than a quarter of a century having supplied >400 units. VRV has reacted to market demand for greater efficiency and reduced power consumption by developing reactors with the capacity to produce >600 tons of polysilicon per year.

specialty heat exchanger for polysilicon production
specialty heat exchanger for polysilicon production
specialty heat exchanger for polysilicon production

In addition to the equipment, VRV can deliver a Process Design Package (PDP), which can be converted into a Detail Design by any qualified EPC contractor.

 
 
 
 
 

IMB Specialty Heat Exchangers

IMB’s HELIXCHANGER® references include large HELIFIN® and ‘Texas Tower’ heat exchangers.

specialty helixchanger heat exchanger
helifin specialty heat exchanger
specialty texas tower heat exchanger for refinery

The HELIXCHANGER® heat exchanger uses LUMMUS Technology’s industry-proven, enhanced heat transfer technology to provide solutions for common issues such as shell-side fouling, high-pressure drop and vibration. Quadrant shaped baffle plates are placed at an angle to the tube axis in a sequential arrangement to create a helical flow pattern. Whether the need is to extend the operating period between cleaning campaigns of crude preheat exchangers, reduce capital costs in a petrochemical plant or improve energy efficiency of feed/ effluent towers, HELIXCHANGER® advanced heat exchanger technology offers a lower life-cycle cost solution in refining, power and petrochemical facilities worldwide.

 

  Heat Exchangers for Offshore

Minimizing plot plan and weight are the most critical aspects of every offshore installation. IMB understands this and has a demonstrable track record of engineering the optimum heat exchanger solution that meets process specifications while occupying the least space.

Reference points include oil and gas steam heaters, glycol coolers, discharge coolers and the Asgard Subsea Compression Project, the first of its kind in the world with compressors installed on the seabed instead of a platform.

high pressure high temperature heat exchanger

 

  Exotic Metallurgy - Our Specialty
IMB's focus on heat exchangers for high pressures and temperatures, severe service and low weight solutions means we routinely utilize exotic metals:

  • All grades of stainless steel including super austenitic, duplex and superduplex
  • All grades of titanium
  • All grades of Inconel, Incoloy and Hastelloy
  • Low alloy steels
  • Low temperature steels
  • Monel and Cu-Ni alloys

high pressure high temperature heat exchanger

 

Technical Library

View and download literature

IMB Product Portfolio

IMB brochure covering LABLEX, Hairpin Exchangers, SPINTUBE and other specialty heat exchangers.

Connect with VRV & IMB

Call direct or click the contact us button, complete a short form and one of our heat transfer specialists will be in touch.

VRV S.r.l. (E&C Products)  +39 345 912 9731

IMB  +39 0373 237611