Process Columns & Towers

Precision Engineered Separation Systems for Critical Industrial Applications

Engineered Excellence

High-Performance Process Columns & Towers

We specialize in the design, engineering, fabrication, testing, and supply of high-performance process columns and towers engineered for the most demanding applications across Refining, Petrochemical, Chemical Processing, Fertilizer, Oil & Gas, LNG, Hydrogen, Power, and Specialty Process Industries.

Our column manufacturing capabilities encompass large-diameter, heavy-wall, high-pressure, high-temperature, and corrosion-resistant equipment designed to achieve optimum process efficiency, superior separation performance, operational reliability, and long service life.

Distillation Column

Distillation Columns

Packed Column

Packed Columns

Absorption Column

Absorption Columns

Process Column

Process Columns

Manufacturing Range

Comprehensive Column Equipment Portfolio

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Distillation & Fractionation Columns

  • Atmospheric Distillation Columns
  • Vacuum Distillation Columns
  • Crude Distillation Columns
  • Fractionation Towers
  • Splitter Columns
  • Hydrocarbon Fractionators
  • Solvent Recovery Columns
  • Aromatics Separation Columns
  • Product Recovery Columns
  • Stabilizer Columns
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Absorption & Stripping Columns

  • Gas Absorbers
  • Amine Absorbers
  • CO₂ Absorbers
  • H₂S Absorbers
  • Scrubbing Towers
  • Packed Absorbers
  • Stripping Columns
  • Steam Strippers
  • Deaeration Towers
  • Degassing Columns
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Reaction & Process Columns

  • Reactor Columns
  • Catalytic Reaction Towers
  • Hydrogenation Columns
  • Oxidation Towers
  • Process Towers
  • Contact Towers
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Specialty Process Towers

  • Quench Towers
  • Wash Towers
  • Dryer Towers
  • Cooling Tower Components
  • Extraction Columns
  • Recovery Towers
  • Regeneration Towers
  • Sulfur Recovery Towers
  • FCC Main Fractionators
  • Delayed Coker Fractionators
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Cryogenic Columns

  • Air Separation Columns
  • Nitrogen Separation Columns
  • Oxygen Columns
  • LNG Fractionation Columns
  • Cryogenic Distillation Towers
  • Ethylene Cold Box Columns
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Column Internals & Equipment

  • Sieve Trays
  • Valve Trays
  • Bubble Cap Trays
  • Structured Packing
  • Random Packing
  • Demister Pads
  • Mist Eliminators
  • Liquid Distributors
  • Support Grids
Technical Excellence

Advanced Engineering & Manufacturing Capabilities

Design Standards

Columns engineered and manufactured in compliance with:

ASME Section VIII Div. 1 ASME Section VIII Div. 2 ASME B31.3 TEMA Standards API Standards EN 13445 PD 5500 AD 2000 BS Standards DIN Standards IS Standards

Manufacturing Capability Envelope

Diameter Range
Up to 10,000 mm (10 m) and above
Height Range
Up to 100 meters and above
Shell Thickness
4 mm to 300 mm+
Operating Pressure
Full Vacuum to 500 Bar+
Operating Temperature
Cryogenic (-196°C) to High Temp (1000°C)
Single Lift Weight
Up to 1,000 MT+
Fractional Distillation Column
Fractional Distillation Column
Tray Column
Tray Column
Stripping Column
Stripping Column
Extraction Column
Extraction Column
Scrubber Column
Scrubber Column
Bubble Cap Column
Bubble Cap Column
Materials of Construction

Advanced Material Expertise

From carbon steel to exotic alloys, we engineer columns with materials optimized for every process environment—corrosive, high-temperature, cryogenic, and severe service applications.

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Carbon Steel

  • ASTM A516 Gr. 60
  • ASTM A516 Gr. 65
  • ASTM A516 Gr. 70
  • ASTM A537
  • IS 2062

Applications

Refining, Petrochemical, Utilities, General Process Industries

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Low Temp Carbon Steel

  • ASTM A333
  • ASTM A350 LF2
  • ASTM A420

Applications

LNG, Cryogenic Systems, Low Temperature Processing

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Stainless Steel

  • SS 304 / 304L
  • SS 316 / 316L
  • SS 317L
  • SS 321 / 347

Applications

Corrosive Process Streams, Pharmaceutical, Food Processing, Specialty Chemicals

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Duplex & Super Duplex

  • Duplex 2205
  • Duplex 2304
  • Super Duplex 2507

Applications

Offshore Platforms, Chloride Service, Severe Corrosion, Seawater Systems

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Nickel Alloys

  • Inconel 600 / 625 / 718
  • Monel 400
  • Hastelloy C276
  • Alloy 20
  • Incoloy 800 / 825

Applications

High Temperature Service, Aggressive Chemical Environments, Acidic Processing

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Exotic Alloys & Clad

  • Titanium Grade 2 / 7
  • Zirconium / Tantalum
  • Clad Plates (SS/Duplex/Ni Alloy)
  • Explosion Bonded Clad

Applications

Extreme Corrosion Resistance, Specialty Process Industries, Cost Optimization

Manufacturing Excellence

Fabrication & Quality Assurance

Fabrication Technologies

Plate Processing

CNC Plasma Cutting CNC Oxy-Fuel Cutting Laser Cutting Water Jet Cutting Automated Edge Preparation

Forming Facilities

Heavy Plate Rolling Hydraulic Press Forming Dishing Presses Flanging Machines Cone Rolling Systems

Welding Technologies

GTAW (TIG) GMAW (MIG) SMAW SAW FCAW Automatic Circumferential Welding Automatic Longitudinal Welding Orbital Welding Systems

Surface Treatment

Sand Blasting Shot Blasting Pickling & Passivation Internal Coating Systems External Protective Coatings High Temperature Coatings

Quality Assurance & Inspection

Non-Destructive Examination (NDE)

Radiographic Testing (RT) Ultrasonic Testing (UT) Phased Array UT (PAUT) TOFD Magnetic Particle Testing (MT) Liquid Penetrant Testing (PT) PMI Ferrite Testing Hardness Testing

Mechanical Testing

Hydrostatic Testing Pneumatic Testing Vacuum Testing Helium Leak Testing Nitrogen Leak Testing

Dimensional Verification

Laser Tracking Systems 3D Scanning Total Station Survey Precision Alignment Checks
Distillation Column Erection

Distillation Column Erection

Expert site erection, modular assembly, and commissioning services for large-scale columns

Packed Column Erection

Packed Column Erection

Precision installation of packed columns with advanced internal configurations

Bigger Size Columns

Large-Diameter Columns

Manufacturing capability up to 10m diameter and 100m height for mega-scale projects

Industrial Columns & Towers

Industrial Columns & Towers

Comprehensive portfolio for refining, petrochemical, and chemical processing industries

Industries Served

Trusted Across Critical Industrial Sectors

Oil & Gas
Refining
Petrochemical
Chemical Processing
Fertilizer
LNG & Cryogenic
Hydrogen & Clean Energy
Power Generation
Pharmaceutical
Food & Beverage
Mining & Metals
Water Treatment
Specialty Chemicals
The HI-NOVA Advantage

Why Our Columns & Towers

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Engineered for Maximum Separation Efficiency

Optimized hydraulic design, advanced tray and packing integration for superior mass transfer performance

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Large Diameter & Ultra-Tall Tower Manufacturing

Up to 10m diameter, 100m+ height, modular construction and site erection support

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High Pressure & High Temperature Capability

Full vacuum to 500 Bar+, cryogenic (-196°C) to high temp (1000°C) service range

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Cryogenic & Severe Service Expertise

LNG, air separation, hydrogen processing, and extreme corrosion environments

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Exotic Material Fabrication Capability

Nickel alloys, titanium, duplex, super duplex, clad materials for demanding applications

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Precision Internal Installation & Alignment

Tray installation, packing systems, distributors, and internals engineered for optimal performance

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Comprehensive Quality Assurance Programs

100% RT, UT, PAUT, hydro testing, PMI, and dimensional verification per international codes

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Global Code Compliance & Certification

ASME, PED, API, TEMA, EN, BS, DIN, IS standards and client-specific specifications

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Modular Construction & Site Erection Support

Shop fabrication, transportation analysis, field assembly, lifting, rigging, and commissioning

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Optimized Lifecycle Performance & Reliability

Energy-efficient designs, extended equipment life, reduced maintenance, and long-term operational excellence

SS 316L Column
Column Duplex
Trays and Packings
Mash Column
Adsorption Column
Column and Tower Vessel
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