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Air Handling Units

DRI Rotors
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AHU
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AHU

DRI offers Certified AHU's

DRI Rotors

We can also offer Customised Air Handling Units

Presenting Designer's Delight

DRI Rotors

Fully factory assembled tested units Designed & manufactured as per dimensional needs and Client specifications.

Overview

DRI Air Handling Unit (DAHU) Systems are advanced, high-efficiency air treatment units engineered to deliver superior Indoor Air Quality (IAQ), effective humidity regulation, and maximum energy savings. As a premier modular AHU system, the DAHU series integrates cutting-edge engineering with robust construction for diverse HVAC applications.

Feature

  • Flexible Modular Design: The series is manufactured in factory-assembled modular sections. It also supports knockdown configurations for rapid site assembly in restricted plant rooms or tight shipping conditions.
  • High Operational Reliability: Designed for tough operating environments, this double skin AHU features tight sealing between supply and exhaust air streams to guarantee minimal air leakage.
  • Space-Saving Compact Footprint: An integrated, all-in-one air treatment unit design combines filtration, thermal conditioning, and recovery elements efficiently.
  • Advanced Casing Manufacturing Technology: Built with sturdy $0.8$ mm interior and exterior metal sheets, ensuring a low leakage class and high structural rigidity.
  • Versatile Connection System: Installers can choose between concealed PG joints and flanged strip connections for seamless machine room integration.
  • High quality standardised filters: Deep folded bag filters feature large filter areas and tight sealing to ensure a clean, high-quality air supply to the room, complete with tool-free access for effortless cleaning.
  • Very low pressure drops: All functions like coils and heat exchangers are optimised to provide the lowest possible pressure drop alongside maximum efficiency, resulting in a very low Life Cycle Cost (LCC) for your ahu system.
  • Easy to maintain fan assembly: Features tool-free access where the fan assembly easily slides out for servicing via a quick disconnect system, saving time and money while utilizing a reliable solid transmission construction that eliminates belts and bearings.
  • Time tested reliability: The DAHU represents DRI's extensive experience in air handling technology, backed by over 200 man-years of R&D and manufacturing expertise in world-class Energy Recovery Wheels.
  • Designed as per highest AHRI Standard for Casing Construction: The casing construction is of prime importance in two-tier systems, specifically systems with two streams having a high latent difference between them.

DAHU AHRI 1350 Standard Ratings

  • Casing Deflection Rating Class: CD4
  • Casing Air Leakage Class: CL1
  • Thermal Transmittance Class with Leakage: CT2
  • Thermal Bridging Class: CB2
  • Widest Range: The DAHU series double skin air treatment unit comprises 15 models with air volumes ranging from 1700 to 60000 CMH and internal static pressures up to $\pm 1000\text{ pa}$, ensuring maximum flexibility as an ideal ahu system for your application.
  • Advanced Profile Engineering: This advanced air treatment unit uses special extruded aluminum and PVC profile corner posts to break thermal bridges, reinforced plastic triaxial lugs, and flush-fitting panels and doors for a smooth surface and attractive profile.
  • Standardised Filter Dimensions: All sizes of the FlexAir (except size 060 and 100) use filters with standard dimensions, making maintenance and stocking of spare filters much easier for customers who wish to keep an inventory of replacement filters.
DRI Rotors

DAHU Dimension Detail

S. No.Unit ModelAir Volume (CMH)L (mm)L1 (mm)L2 (mm)L3 (mm)L4 (mm)W (mm)H (mm)H1 (mm)H2 (mm)A (mm)B (mm)Cross Sectional Area
1DAHU-1700170029726854551135685905119511205605003004.0
2DAHU-35003500297268545511356851035119511205607003004.6
3DAHU-50005000327283545511358351185157515007508005007.6
4DAHU-700070003572985455113598514151600150075010005009.2
5DAHU-8500850035729854551135985141518201720860100060010.8
6DAHU-100001000035729854551135985163018201720860120060012.5
7DAHU-120001200041721285455113512851685219020901045120080016.1
8DAHU-170001700041721285455113512852005219020901045140080019.4
9DAHU-200002000041721285455113512852215240023001150160080023.9
10DAHU-2500025000462214605551135146023502930278013901600100028.8
11DAHU-3000030000500715856901135158525502930278013902200100031.4
12DAHU-3500035000530717356901135173527503510336016802200120042.2
13DAHU-4000040000560718856901135188529504230408020402400160056.4
14DAHU-5000050000590720356901135203531504230408020402400160060.4
15DAHU-6000060000620721856901135218533504550440022002600180070.0

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Frequently Asked Questions

An air handling unit is recommended for facilities that require controlled temperature, humidity, filtration, and ventilation. It is widely used in commercial buildings, hospitals, pharmaceutical plants, and industrial facilities where indoor air quality is critical.

Yes. An AHU system supplies filtered, conditioned air while maintaining proper ventilation and humidity levels, helping buildings support indoor air quality requirements and ventilation guidelines when properly designed and installed.

Yes. An air treatment unit is commonly installed in pharmaceutical manufacturing plants, hospitals, laboratories, and cleanrooms where precise temperature, humidity, and air cleanliness are essential for regulatory compliance and product quality.

An air handling unit optimizes airflow, filtration, and temperature control while integrating with energy recovery devices and high-efficiency coils. This reduces the load on the overall HVAC system and lowers energy consumption.

Yes. An AHU system can be configured with heating coils, cooling coils, humidifiers, dehumidifiers, energy recovery wheels, UV sterilization, and advanced filtration to meet the specific requirements of industries such as healthcare, food processing, electronics, and manufacturing.

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