Brand

Navajyothi Air Flow

Model

NJ-Alu Disc Valves

Application

Supply and return air distribution for HVAC ventilation and air-conditioning systems.

Product Description

The Aluminium Disc Valve (ADV) is a precision-engineered adjustable air valve designed for supply, return, and exhaust air applications in HVAC and ventilation systems. Manufactured from high-quality aluminium, the disc valve provides smooth airflow regulation through an adjustable central disc, making it ideal for residential, commercial, healthcare, hospitality, and industrial ventilation systems. The valve ensures uniform air distribution, low noise operation, and easy balancing during commissioning.

Technical Specifications

Parameter Specification
Product Name Aluminium Disc Valve
Material Spun Aluminium / Aluminium Alloy
Construction One-piece spun aluminium body with adjustable central disc
Body Thickness 1 – 1.2  mm
Disc Type Adjustable Threaded Centre Disc
Outer Frame width 40 mm
Application Supply Air / Return Air / Exhaust Air
Airflow Pattern 360° Radial Adjustable
Airflow Control Manual Adjustment by Rotating Centre Disc
Standard Neck Sizes Ø100,  Ø150, Ø200 mm
Mounting Ceiling / Wall
Connection Circular Neck with Mounting Collar
Finish  Powder Coated /
Natural Anodized
Standard Colour Broken White as standard other RAL Shades as optional
Accessories Gi mounting rings / collars as optional
Construction Features
  • High-quality spun aluminium construction.
  • Adjustable centre disc for precise airflow balancing.
  • Locking nut to maintain airflow setting.
  • Easy installation and maintenance.
Applications
  • Residential Ventilation, Apartments & Villas, Office Buildings, Hotels & Resorts
  • Hospitals, Toilets & Washrooms, kitchens, Laboratories, Restaurants

Our Drawing and Dimensions

Size A B C D E
100 165 95 80 100 45
150 215 140 120 155 65
200 265 195 160 195 65

Reference Drawing and Dimensions :

Nominal Opening Size fA fB fC fD E fF
100 145 125 95 75 54 105
125 170 150 120 100 54 130
150 220 175 145 125 54 155
200 270 225 195 150 54 205

Typical Performance Guide :

Size (mm) Airflow (CFM) Static Pressure (Pa) Noise Level (NC) Throw Distance (m)
Ø100 20 <5 <20 1.5
40 25 <20 2
60 55 30 2.5
80 95 35 3
100 145 40 3.5
120 190 45 4
Ø150 40 10 <20 2
60 30 <20 2.5
80 55 25 3
100 90 35 3.5
120 130 40 4
150 230 45 4.5
Ø200 60 15 <20 2.5
80 30 <20 3
100 50 20 3.5
120 85 30 4
150 180 35 4.5
200 315 42 5