Ducting & Scrubber Graphics
Ducting & Scrubber Graphics (1)

Ducting and Scrubber Manufacturer for Industrial Air Pollution Control

Ducting & Scrubber systems are to industrial air handling and pollution control systems. They may be used to safely collect, transport, treat, and remove harmful gases, fumes, dust, smoke, and chemical vapors. To  generated during industrial processing  to ducting refers in a network of pipes and  channels designed to carry contaminated air and gases from one location to another. Scrubber is an air pollution control device that removes pollutants, chemicals, dust particles. The toxic gases from the air before it is released into the environment. These systems are widely used in industries to maintain clean air, protect equipment, improve workplace safety,  with regulations environmental.

Ducting consists of rigid and flexible tubes, commonly made of sheet metal, fiberglass and plastic. A scrubber is an air pollution to control device that uses a liquid, dry reagent, and slurry to wash  and  neutralize unwanted pollutants from industrial exhaust gases.

Ducting & Scrubber Details

ParameterDetails / Specification
Product NameDucting & Scrubber System
System TypeAir Pollution Control & Ventilation System
Duct ShapeRound, Square, Rectangular
Scrubber TypeWet Scrubber, Dry Scrubber, Packed Bed, Venturi Scrubber
Material OptionsHDPE, PP, PVC, CPVC, FRP, Stainless Steel
Manufacturing ProcessFabrication, Welding, Molding
Duct Diameter Range50 mm to 3000 mm or customized
Wall Thickness3 mm to 25 mm depending on application
Pressure RatingLow to medium pressure systems
Operating Temperature-40°C to +120°C (depends on material)
Density (HDPE Material)0.94 – 0.96 g/cm³
Air Flow CapacityCustomized as per plant requirement
Chemical ResistanceExcellent resistance to acids, alkalis, and fumes
Corrosion ResistanceHigh corrosion resistance
Surface FinishSmooth, UV stabilized, coated
Connection TypesFlanged, Welded, Bolted
Leakage PerformanceLeak-proof with proper fabrication
Fan & Blower CompatibilitySuitable for industrial exhaust systems
Filtration MediaPP Pall Rings, Ceramic Media, Mist Eliminators
Installation TypeIndoor / Outdoor
Reinforcement OptionsFRP Reinforcement / MS Support Structure
Standard ComplianceISO, ASTM, ASME, DIN
Testing MethodsLeak Test, Air Flow Test, Dimensional Inspection
CustomizationAvailable as per project requirements
Service Life10–25 years depending on material and operating conditions
ApplicationsChemical Plants, Pharma Industries, Electroplating Units, Wastewater Treatment

1. Excellent Corrosion Resistance

  • Resistant to acids, alkalis, and chemical fumes
  • Suitable for corrosive industrial environments
  • Ideal for chemical processing applications

2. Efficient Air Pollution Control

  • Removes harmful gases, vapors, smoke, and dust particles
  • Helps maintain clean and safe working conditions
  • Supports environmental compliance

3. High Durability

  • Manufactured using high-quality materials
  • Resistant to wear, moisture, and harsh environmental conditions
  • Provides long service life

4. Lightweight Construction

Materials such as HDPE, PP, and FRP offer:

  • Easy handling
  • Simple transportation
  • Faster installation

5. Leak-Proof Performance

  • Precision fabrication ensures airtight and leak-free operation
  • Improves system efficiency and safety

6. Wide Material Options

Available in:

  • HDPE
  • PP
  • PVC / CPVC
  • FRP
  • Stainless Steel

7. High Temperature Resistance

  • Suitable for varying temperature conditions depending on material selection
  • Can handle industrial exhaust gases and hot air systems

8. Smooth Internal Surface

  • Reduces airflow resistance and pressure loss
  • Improves ventilation efficiency
  • Prevents dust and particle accumulation

9. Customizable Design

Systems can be customized for:

  • Airflow capacity
  • Duct size and shape
  • Pressure requirements
  • Industrial applications

10. Easy Installation & Maintenance

  • Modular construction simplifies installation
  • Easy inspection and cleaning procedures
  • Low maintenance requirements

11. UV & Weather Resistance

  • UV stabilized options available for outdoor installations
  • Resistant to sunlight and environmental exposure

12. Strong Structural Support

  • Reinforcement options available for large ducting systems
  • Maintains stability during operation
Pressure ClassPressure RangeTypical Application
Low PressureUp to 500 PaVentilation systems
Medium Pressure500 Pa to 3000 PaIndustrial exhaust systems
High PressureAbove 3000 PaHeavy-duty air handling systems
Scrubber TypeTypical Operating Pressure
Wet ScrubberLow to medium pressure
Packed Bed ScrubberMedium pressure systems
Venturi ScrubberMedium to high pressure
Dry ScrubberLow-pressure applications
Chemical ScrubberCustomized according to process requirements
Material TypeOperating Temperature RangeDensity
HDPE Ducting & Scrubbers-40°C to +60°C0.94 – 0.96 g/cm³
PP Ducting Systems0°C to +100°C0.90 – 0.92 g/cm³
PVC Ducting0°C to +60°C1.30 – 1.45 g/cm³
CPVC Ducting0°C to +90°C1.50 – 1.60 g/cm³
FRP Ducting & Scrubbers-20°C to +120°C1.50 – 2.00 g/cm³
Stainless Steel Systems-200°C to +800°C7.75 – 8.10 g/cm³

User Manual for Ducting & Scrubber

1. Chemical Industries

Used for:

  • Chemical fume extraction
  • Acid vapor removal
  • Toxic gas handling
  • Corrosion-resistant ventilation systems
  • Chemical processing plants
  • Acid storage areas
  • Mixing and reaction units

2. Pharmaceutical Industry

Applications include:

  • Clean air management
  • Solvent vapor extraction
  • Process ventilation systems
  • Odor control systems

3. Electroplating Industry

Ducting & scrubber systems are used for:

  • Acid mist removal
  • Chrome and metal vapor extraction
  • Corrosive gas treatment

4. Wastewater Treatment Plants

Used for:

  • Odor control systems
  • Toxic gas removal
  • Ventilation of treatment tanks

5. Power Plants

Used for:

  • Flue gas handling
  • Industrial ventilation
  • Dust and smoke extraction systems

6. Metal Processing Industry

Applications include:

  • Welding fume extraction
  • Dust collection systems
  • Hot gas ventilation systems

9. Semiconductor & Electronics Industry

Used for:

  • Cleanroom ventilation
  • Chemical exhaust systems
  • High-purity air handling systems

10. Marine & Offshore Applications

Used for:

  • Corrosion-resistant ventilation systems
  • Exhaust air handling
  • Chemical storage ventilation

11. Industrial Manufacturing Units

Applications include:

  • General industrial ventilation
  • Process exhaust systems
  • Air pollution control systems
  • Alkalis
  • Chemicals
  • Process fluids

a) Material Customization

Ducting and scrubber systems can be manufactured using:

  • HDPE
  • PP (Polypropylene)
  • PVC / CPVC
  • FRP (Fiber Reinforced Plastic)
  • Stainless Steel

Material selection depends on:

  • Chemical compatibility
  • Temperature conditions
  • Corrosion resistance requirements
  • Airflow and pressure conditions

b) Size & Dimension Customization

Systems can be customized according to:

  • Duct diameter and length
  • Scrubber capacity
  • Wall thickness
  • Airflow requirements
  • Plant layout and installation space

c) Shape & Design Customization

Available duct shapes:

  • Round ducting
  • Rectangular ducting
  • Square ducting
  • Flexible ducting

Scrubbers are designed based on:

  • Pollutant type
  • Gas flow rate
  • Chemical treatment requirements

d) Airflow & Pressure Design

Customization is available for:

  • Low-pressure ventilation systems
  • Medium-pressure industrial exhaust systems
  • High airflow handling applications

e) Surface Finish & Coating

Surface treatment options include:

  • UV stabilization
  • Anti-corrosion coating
  • Smooth internal finishing
  • FRP reinforcement coating

f) Integration of Components

Systems can include:

  • Blowers and fans
  • Dampers and valves
  • Mist eliminators
  • Chemical circulation systems
  • Support structures

Processing of Ducting & Scrubber Systems

a) Design & Engineering

  • Systems are designed using CAD software and airflow calculations
  • Ensures efficient ventilation and pollutant removal performance

b) Material Cutting

Processing methods include:

  • CNC cutting
  • Laser cutting
  • Saw cutting
  • Plasma cutting

c) Fabrication & Forming

Manufacturing processes include:

  • Welding
  • Extrusion fabrication
  • Rolling and bending
  • Thermoforming

d) Assembly & Fit-Up

  • Components are aligned and assembled accurately
  • Ensures leak-proof and efficient airflow performance

e) Welding & Jointing

Joining methods include:

  • Butt welding
  • Extrusion welding
  • TIG / MIG welding
  • Mechanical fastening

f) Surface Finishing

Processing includes:

  • Grinding and polishing
  • Deburring and cleaning
  • Coating and painting

g) Testing & Quality Inspection

Ducting and scrubber systems undergo:

  • Air leakage testing
  • Pressure testing
  • Dimensional inspection
  • Airflow testing
  • Visual inspection

h) Packaging & Dispatch

  • Proper labeling and identification
  • Protective packaging to avoid transportation damage

a) Site Preparation

  • Ensure the installation area is clean and properly aligned
  • Verify foundation, supports, and pipe routing according to drawings
  • Check spool dimensions and specifications before installation

b) Inspection Before Installation

  • Inspect for transportation damage
  • Check flanges, welds, and fittings
  • Verify pressure rating and material compatibility

c) Alignment & Positioning

  • Position the pipe spool accurately using lifting equipment
  • Ensure proper alignment with connecting pipelines and equipment
  • Avoid excessive stress or bending during fit-up

d) Joint Connection Methods

Pipe spools can be connected using:

  • Flanged connections
  • Butt welding
  • Threaded joints
  • Electrofusion welding (for HDPE spools)

e) Bolt Tightening & Welding

  • Tighten flange bolts evenly using proper torque values
  • Ensure welding is carried out by qualified personnel
  • Follow applicable welding standards and procedures

f) Support & Anchoring

  • Install proper pipe supports and clamps
  • Prevent vibration, sagging, or movement during operation

g) Testing After Installation

  • Conduct hydrostatic or pneumatic pressure testing
  • Check for leakage and joint integrity
  • Perform final inspection before commissioning

2. Maintenance of Pipe Spool

a) Regular Inspection

Periodically inspect for:

  • Leakage
  • Corrosion
  • Cracks or deformation
  • Loose bolts or supports

b) Cleaning

  • Remove dirt, debris, and chemical deposits
  • Use suitable cleaning methods based on pipe material

c) Corrosion Protection

  • Reapply coatings or protective layers if required
  • Monitor external environmental conditions

d) Weld & Joint Inspection

  • Inspect welded joints and flange connections regularly
  • Replace damaged gaskets or faulty components immediately

e) Pressure Monitoring

  • Ensure operating pressure remains within design limits
  • Avoid sudden pressure surges or water hammer effects

f) Temperature Monitoring

  • Maintain operating temperatures within specified limits
  • Prevent overheating or thermal stress

g) Replacement of Damaged Components

  • Replace worn-out fittings, seals, or spool sections promptly
  • Use compatible replacement materials and components

1. Raw Material Inspection

Before fabrication, raw materials are inspected for:

  • Material grade verification
  • Surface quality
  • Thickness accuracy
  • Compliance with industrial specifications

2. Dimensional Inspection

Ducting and scrubber components are checked for:

  • Accurate dimensions
  • Wall thickness
  • Proper alignment
  • Flange and joint accuracy
  • Tolerance compliance

3. Visual Inspection

Visual inspection helps identify:

  • Surface cracks
  • Dents and scratches
  • Welding defects
  • Improper finishing
  • Misalignment of fabricated parts

4. Air Leakage Testing

Leakage testing is performed to:

  • Detect air leakage in duct systems
  • Ensure airtight joints and connections
  • Improve airflow efficiency and safety

5. Pressure Testing

Pressure testing verifies:

  • Structural integrity of ducting and scrubbers
  • Safe operation under working pressure conditions

Common Tests:

  • Pneumatic testing
  • Hydrostatic testing

6. Weld Quality Inspection

Welded joints are tested to ensure strength and leak-proof performance.

Common Weld Inspection Methods:

  • Visual Weld Inspection
  • Ultrasonic Testing (UT)
  • Dye Penetrant Testing (DPT)
  • Radiographic Testing (RT)

7. Airflow Performance Testing

Airflow testing checks:

  • Air velocity
  • Pressure drop
  • Flow balancing
  • Ventilation efficiency

8. Scrubber Efficiency Testing

Scrubber systems are tested for:

  • Pollutant removal efficiency
  • Gas absorption performance
  • Chemical neutralization efficiency

9. Non-Destructive Testing (NDT)

NDT methods help detect hidden defects without damaging the system.

Common NDT Methods:

  • Ultrasonic Testing
  • Radiography
  • Magnetic Particle Testing
  • Dye Penetrant Testing

10. Surface Finish & Coating Inspection

Inspection includes:

  • Surface smoothness
  • Coating thickness
  • Adhesion testing
  • Corrosion protection quality checks

11. Functional Testing

Functional checks verify:

  • Fan and blower operation
  • Damper movement
  • Mist eliminator performance
  • Chemical circulation system operation

12. Compliance with Standards

Ducting and scrubber systems are manufactured and tested according to:

  • ISO Standards
  • ASTM Standards
  • ASME Standards
  • ANSI Specifications
  • SMACNA Guidelines

13. Final Quality Documentation

Quality documentation generally includes:

  • Inspection reports
  • Pressure test certificates
  • Material certificates
  • Welding qualification records
  • NDT reports
Repairing Service

Custom Product Manufacturing Available

If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.

Types of Ducting & Scrubber

1. Wet Scrubber

  • Uses liquid to remove pollutants from air or gas streams
  • Effective for dust, fumes, and chemical vapors:
  • High pollutant removal efficiency
  • Suitable for corrosive gases

2. Dry Scrubber

  • Uses dry chemicals or absorbents to remove pollutants
  • No liquid waste generation:
  • Gas treatment systems
  • Industrial emission control

3. Packed Bed Scrubber

  • Contains packing media for increased gas-liquid contact
  • Efficient chemical absorption system:
  • Acid vapor treatment
  • Chemical processing industries

4. Venturi Scrubber

  • High-velocity gas passes through a narrow section
  • Effective for fine dust and particle removal:
  • Dust collection systems
  • Heavy industrial exhaust systems

5. Chemical Scrubber

  • Specifically designed for chemical fume treatment
  • Neutralizes harmful gases and vapors:
  • Chemical plants
  • Electroplating industries

6. Spray Tower Scrubber

  • Uses spray nozzles to distribute scrubbing liquid
  • Removes gases and airborne particles

7. Cyclone Scrubber

  • Combines centrifugal force and liquid scrubbing
  • Suitable for large particle removal

8. Multi-Stage Scrubber

  • Uses multiple filtration and scrubbing stages
  • Provides high-efficiency air purification

Why Choose Petron Thermoplast?

At Petron Thermoplast, a ducting system is a network of pipes or channels designed. To transport air, fumes, dust, smoke, and chemical vapors from one location to another within an industrial facility. It is mainly used for the ventilation, exhaust, and air pollution control applications. 

A scrubber is a device used to control air pollution and remove harmful gases.  The chemical fumes, dust particles, and pollutants from industrial exhaust air. Before it is released into the atmosphere. The Scrubbers work by using the water, chemicals, and filtration media to absorb and neutralize the contaminants. They are widely used in chemical plants, electroplating units, pharmaceutical industries, and wastewater treatment facilities.

Conclusion

Ducting and scrubber systems are essential components of industrial ventilation to air pollution control systems. They play a crucial role in safely collecting, transporting, and treating harmful gases, fumes, dust, smoke, and chemical vapors generated during industrial processes.

Manufactured using corrosion-resistant materials such as HDPE, PP, PVC, CPVC, FRP, and stainless steel.  These systems provide excellent durability, chemical resistance, and long service life. Their efficient airflow management and pollutant removal capabilities help to improve workplace safety, protect equipment, and maintain environmental compliance.

With proper customization, precise fabrication, quality testing, and regular maintenance, ducting and scrubber systems deliver reliable performance and energy-efficient operation across various industries, including chemical processing, pharmaceuticals, electroplating, wastewater treatment, and industrial manufacturing. Their strong construction, customizable design, and effective pollution control make ducting and scrubber systems an ideal solution for modern industrial air handling and environmental protection applications.

Frequently Asked Questions

1. What is a ducting and scrubber system?

A ducting and scrubber system is an industrial air handling and pollution control system used to collect, transport, and remove harmful gases, fumes, dust, and chemical vapors from industrial processes.

2. What is the function of ducting in industrial systems?

Ducting is used to:

  • Transfer contaminated air and fumes
  • Maintain proper ventilation
  • Support exhaust and air circulation systems
3. What is the purpose of a scrubber?

A scrubber removes pollutants, toxic gases, chemical vapors, smoke, and dust particles from air or gas streams before releasing them into the environment.

4. What are the common types of scrubbers?

Common types include:

  • Wet Scrubbers
  • Dry Scrubbers
  • Packed Bed Scrubbers
  • Venturi Scrubbers
  • Chemical Scrubbers
5. What materials are used in ducting and scrubber systems?

Common materials include:

  • HDPE
  • PP
  • PVC / CPVC
  • FRP
  • Stainless Steel
6. Which industries use ducting and scrubber systems?

These systems are widely used in:

  • Chemical industries
  • Pharmaceutical plants
  • Electroplating units
  • Wastewater treatment plants
  • Food processing industries
  • Textile industries
7. Are ducting and scrubber systems corrosion resistant?

Yes, systems made from HDPE, PP, FRP, PVC, and CPVC offer excellent resistance to chemicals, acids, alkalis, and corrosive fumes.

8. What pressure range do ducting systems handle?

Ducting systems generally operate under:

  • Low pressure
  • Medium pressure
  • High airflow conditions
    depending on system design and application.
9. Can ducting and scrubber systems be customized?

Yes, they can be customized according to:

  • Airflow requirements
  • Duct size and shape
  • Pressure conditions
  • Chemical handling requirements
  • Plant layout specifications
10. What testing methods are used for ducting and scrubber systems?

Testing methods include:

  • Air leakage testing
  • Pressure testing
  • Airflow testing
  • Weld inspection
  • Non-destructive testing (NDT)
11. What are the advantages of ducting and scrubber systems?
  • Efficient air pollution control
  • Improved workplace safety
  • Corrosion resistance
  • Energy-efficient airflow management
  • Long service life