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Coal Power Station

AIR FILTERS

Air Filter

Pre Air Filters for AHU & HVAC Systems

Nuvotech offers high-quality Pre Air Filters designed for use in Air Handling Units (AHU) and HVAC systems. These filters are used as the first stage of filtration to remove dust, dirt, and coarse airborne particles, thereby protecting downstream fine filters and improving overall air quality.

Our pre filters are engineered for high dust holding capacity, low pressure drop, and long service life, making them ideal for industrial, commercial, and cleanroom applications.

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Working Principle

Air passes through the filter media where dust and larger particles are trapped on the surface and within the filter layers. Clean air flows downstream to finer filters, improving system efficiency and extending the life of HEPA and fine filters.

 

Features:

  • ✔ High dust holding capacity

  • ✔ Low pressure drop for energy efficiency

  • ✔ Durable and washable design

  • ✔ Easy installation and replacement

  • ✔ Extended service life

  • ✔ Suitable for continuous operation

  • ✔ Available in multiple filter classes

 

Technical Specification:

  • Filter Class: G2, G3, G4 (as per EN standards)

  • Micron Rating: 10 – 50 micron

  • Media: Synthetic fiber / HDPE / Nylon mesh

  • Frame Material: Aluminum / GI / SS

  • Operating Temperature: Up to 80°C

  • Final Pressure Drop: As per design

  • Efficiency: Up to 90% (coarse filtration)

  • Type: Panel / Box / Washable filter

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Applications

  • HVAC systems

  • Air Handling Units (AHU)

  • Cleanrooms

  • Pharmaceutical plants

  • Food processing units

  • Commercial buildings

  • Industrial ventilation systems

Advantages

  • ✔ Protects downstream filters (HEPA / fine filters)

  • ✔ Improves indoor air quality

  • ✔ Reduces maintenance cost

  • ✔ Energy-efficient operation

  • ✔ Easy to clean and reuse

🔷 Types Available

🔹 Panel Pre Filter

  • Compact and easy to install

🔹 Washable Metal Filter

  • Reusable and long-lasting

🔹 Pleated Pre Filter

  • Higher surface area and efficiency

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Pre Filter
Fine Filter

Fine Air Filters for AHU & HVAC Systems

Nuvotech offers high-performance Fine Air Filters designed for secondary stage filtration in HVAC and AHU systems. These filters effectively remove fine dust particles and contaminants, ensuring cleaner air and protecting sensitive equipment and environments.

Fine filters are typically installed after pre-filters to enhance air filtration efficiency and extend the life of HEPA filters in critical applications.

 

Working Principle

Air passes through fine filter media where smaller particles are trapped within the fibers. The multi-layered structure increases filtration efficiency while maintaining low pressure drop, allowing clean air to pass downstream.

Features:

  • ✔ High filtration efficiency for fine particles

  • ✔ Low pressure drop for energy saving

  • ✔ Extended service life

  • ✔ High dust holding capacity

  • ✔ Durable and leak-proof construction

  • ✔ Suitable for continuous operation

 

Technical Specification:

  • Filter Class: F5, F6, F7, F8, F9 (as per EN standards)

  • Micron Rating: 1 – 10 micron

  • Media: Synthetic fiber / glass fiber media

  • Frame Material: Aluminum / GI / SS

  • Operating Temperature: Up to 80°C

  • Efficiency: Up to 95%

  • Design Type: Pleated / bag / compact filters

 

Applications

  • HVAC systems

  • Air Handling Units (AHU)

  • Cleanrooms

  • Pharmaceutical plants

  • Food processing industries

  • Commercial buildings

  • Electronics manufacturing

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Advantages

  • ✔ Improves indoor air quality

  • ✔ Protects HEPA filters

  • ✔ Reduces maintenance cost

  • ✔ Enhances system performance

  • ✔ Energy-efficient filtration

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High Efficiency HEPA Filters for Cleanroom & HVAC Systems

Nuvotech offers high-efficiency HEPA Filters designed for critical applications requiring ultra-clean air. These filters are capable of removing extremely fine particles such as dust, bacteria, and airborne contaminants, ensuring superior air quality.

HEPA filters are typically used as the final stage of filtration in HVAC and cleanroom systems, providing maximum protection for sensitive environments.

 

Working Principle

Air passes through ultra-fine glass fiber media where microscopic particles are captured through interception, impaction, and diffusion mechanisms. The dense fiber structure ensures that even the smallest airborne contaminants are effectively removed, delivering clean and purified air.

Features:

  • ✔ Ultra-high filtration efficiency

  • ✔ Removes particles as small as 0.3 micron

  • ✔ Leak-proof and robust construction

  • ✔ Low pressure drop design

  • ✔ Long service life

  • ✔ Suitable for cleanroom and critical applications

  • ✔ Tested as per international standards

Technical Specification:

  • filter Class: H13, H14 (as per EN 1822)

  • Efficiency:

    • H13 → 99.95%

    • H14 → 99.995%

  • Particle Size: ≥ 0.3 micron

  • Media: Glass fiber paper

  • Frame Material: Aluminum / GI / SS

  • Seal Type: PU / Neoprene / Gel seal

  • Operating Temperature: Up to 80°C

  • Design Type: Box / Mini-pleat / Deep pleat

Applications

  • Cleanrooms (pharmaceutical & biotech)

  • Hospitals and healthcare facilities

  • Food and beverage industry

  • Electronics and semiconductor industries

  • Laboratories

  • HVAC systems requiring high air purity

Advantages

  • ✔ Superior air purification

  • ✔ Protects critical environments

  • ✔ Reduces contamination risk

  • ✔ Improves product quality

  • ✔ Ensures compliance with cleanroom standards

 

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Hepa Filter

Pocket Filters  for AHU & HVAC Systems

Nuvotech offers high-performance Pocket Filters, also known as Bag Filters, designed for efficient removal of fine dust and airborne particles in HVAC and AHU systems. These filters provide large filtration area and high dust holding capacity, ensuring longer service life and improved air quality.

Pocket filters are typically used as secondary filtration after pre-filters and before HEPA filters, making them an essential component in multi-stage air filtration systems.

Working Principle

Air flows through multiple filter pockets made of high-quality filter media. The large surface area of the pockets allows effective capture of dust and fine particles while maintaining low pressure drop. Clean air passes through, improving indoor air quality and system performance.

Features:

  • ✔ High dust holding capacity

  • ✔ Low pressure drop

  • ✔ Extended service life

  • ✔ High filtration efficiency

  • ✔ Lightweight and easy to install

  • ✔ Uniform air flow distribution

  • ✔ Durable synthetic media

Technical Specifications:​

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  • Filter Class: F5, F6, F7, F8, F9 (as per EN standards)

  • Micron Rating: 1 – 10 micron

  • Media: Synthetic fiber / glass fiber

  • Frame Material: GI / Aluminum / Plastic

  • Pocket Depth: 300 mm / 600 mm (customizable)

  • Number of Pockets: 3 to 10 pockets

  • Operating Temperature: Up to 80°C

  • Efficiency: Up to 95%

Applications

  • HVAC systems

  • Air Handling Units (AHU)

  • Cleanrooms

  • Pharmaceutical plants

  • Food processing units

  • Commercial buildings

  • Industrial ventilation systems

Advantages

  • ✔ High dust holding capacity

  • ✔ Energy-efficient operation

  • ✔ Longer filter life

  • ✔ Improves air quality

  • ✔ Protects HEPA filters

  • ✔ Easy installation and replacement

🔷 Types Available

🔹 Synthetic Pocket Filter

  • Standard HVAC applications

🔹 Glass Fiber Pocket Filter

  • Higher efficiency applications

🔹 High-Efficiency Pocket Filter

  • For cleanroom environments

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Pocket Filter

Dust Collector Filter Bags

Nuvotech offers high-quality Dust Collector Filter Bags designed for efficient removal of dust and airborne particles from industrial exhaust systems. These bags are used in dust collection systems to maintain clean air, protect equipment, and ensure compliance with environmental standards.

Our filter bags are manufactured using high-performance filtration media, ensuring excellent dust retention, long service life, and reliable performance in demanding industrial environments.

Working Principle

Dust-laden air enters the dust collector system where filter bags trap particulate matter on their surface. Clean air passes through the filter media while dust accumulates on the outer surface of the bag. Periodic cleaning (pulse jet or mechanical shaking) removes the dust cake, ensuring continuous operation.

Features:

  • ✔ High filtration efficiency

  • ✔ Excellent dust holding capacity

  • ✔ Low pressure drop

  • ✔ Durable and long-lasting media

  • ✔ Resistant to temperature and chemicals

  • ✔ Easy installation and replacement

  • ✔ Available in customized sizes and designs

Technical Specification:

  • Micron Rating: 1 – 50 micron

  • Media Types:

    • Polyester

    • Polypropylene (PP)

    • Nylon

    • Glass Fiber

  • Coating Options:

    • PTFE coating

    • Anti-static

    • Oil & water repellent

  • Operating Temperature: Up to 200°C (depending on media)

  • Bag Type: Lugs type / Collar type / Flange type

  • Length & Diameter: Standard & customized

Applications

  • Cement industry

  • Steel plants

  • Chemical processing

  • Food processing

  • Pharmaceutical industry

  • Power plants

  • Wood and metal industries

Advantages

  • ✔ Efficient dust removal

  • ✔ Improves air quality

  • ✔ Protects environment and equipment

  • ✔ Long service life

  • ✔ Cost-effective solution

  • ✔ Easy maintenance

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Dust Collctor

Dust Collector Cartridge Filters

Nuvotech offers high-performance Dust Collector Cartridge Filters designed for efficient removal of fine dust and airborne particles in industrial dust collection systems. These filters provide a large filtration area in a compact design, making them ideal for modern dust collectors requiring high efficiency and space-saving solutions.

Our cartridge filters are manufactured using advanced filtration media to ensure superior dust capture, low pressure drop, and long service life in demanding industrial environments.

Working Principle

Dust-laden air enters the dust collector and passes through the cartridge filter media. Fine particles are captured on the surface of the pleated media, while clean air flows out.

The accumulated dust is periodically removed by pulse jet cleaning, ensuring continuous and efficient operation.

Features:

  • ✔ High filtration efficiency for fine dust

  • ✔ Large filtration area in compact size

  • ✔ Low pressure drop

  • ✔ Long service life

  • ✔ Easy installation and replacement

  • ✔ High dust holding capacity

  • ✔ Suitable for pulse jet cleaning systems

Technical Specification :

  • Micron Rating: 0.5 – 10 micron

  • Media Types:

    • Spunbond Polyester

    • Cellulose / Paper media

    • Nano fiber media

  • Coating Options:

    • PTFE coating

    • Anti-static coating

    • Oil & water repellent

  • End Caps: GI / SS / Aluminum / PU

  • Operating Temperature: Up to 120–150°C (depending on media)

  • Configuration: Cylindrical / pleated design

Applications

  • Cement plants

  • Metal processing industries

  • Powder coating systems

  • Pharmaceutical industry

  • Food processing units

  • Woodworking and fabrication industries

  • Chemical plants

Advantages

  • ✔ High efficiency in compact design

  • ✔ Reduced space requirement

  • ✔ Improved dust collection performance

  • ✔ Easy maintenance and replacement

  • ✔ Energy-efficient operation

  • ✔ Longer filter life

🔷 Types Available

🔹 Standard Polyester Cartridge

  • General industrial applications

🔹 Nano Fiber Cartridge

  • High efficiency for fine dust

🔹 PTFE Coated Cartridge

  • Sticky and fine dust applications

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Dust collector Bags
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