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AIR SLIDE BLOWER

  • Side wall or ceiling Application
  • Supply or Return
  • Zero or 15 Degree Deflection in Multiple Blade Styles
  • Spacings Available in 13mm- 17mm
  • Standard and Broad Frame Available
  • Concealed fixing
  • Maximum Single Grill Section of 1800 mm long
  • Ideal for long continuous lengths,Field Aligned

SINGLE AND DOUBLE DEFLECTION GRILLS

  • Side wall supply Diffuser
  • Fully Adjustable, Aluminium Blades with 20mm pitch arranged horizontally or vertically
  • Optional opposed Blade Damper in steel or Aluminium

SQUARE CEILING DIFFUSERS

  • Versatile , 4 way Diffusion
  • All Aluminium construction
  • Removable central Core for Damper Adjustment and Plenum Access
  • Optional opposed blade Damper Mounted on Neck
  • We recommends a Factory made Plenum with Round Spigot connection
  • Available for Grid ceilings
  • Neck size 150 x150 to 600 x600
  • Rectangular shapes available
  • 1,2,3 way Diffusion Available

LINEAR SLOT DIFFUSER

  • Linear slot Diffuser available in 1-8 slo
  • Black Aluminium eyelash style pattern deflectors
  • Black steel hit and miss damper 20 mm – 25mm
  • Slot width available in supply and return models
  • Optional factory fabricated plenum

ROUND DIFFUSER

  • It is available with standard flush type or a decorative moulded outer ring
  • These are removable core with flap type or spiral dampers for volume control
  • All Aluminium construction

JET DIFFUSER

  • Multi cone jet diffuser with adjustable angles
  • High flow rates and long throws
  • Reversible and rotatable providing short and long jet throw pattern
  • Ideal for terminal buildings, ware house and factories

AIR SLIDE BLOWER

  • Side wall or ceiling Application
  • Supply or Return
  • Zero or 15 Degree Deflection in Multiple Blade Styles
  • Spacings Available in 13mm- 17mm
  • Standard and Broad Frame Available
  • Concealed fixing
  • Maximum Single Grill Section of 1800 mm long
  • Ideal for long continuous lengths,Field Aligned

AIR SLIDE BLOWER

  • Side wall or ceiling Application
  • Supply or Return
  • Zero or 15 Degree Deflection in Multiple Blade Styles
  • Spacings Available in 13mm- 17mm
  • Standard and Broad Frame Available
  • Concealed fixing
  • Maximum Single Grill Section of 1800 mm long
  • Ideal for long continuous lengths,Field Aligned

JET NOZZLE

  • Long throws and adjustable angles
  • Available in various diameters and powder coated
  • Ideal for Auditorium , airports and large open spaces.

FIRE AND SMOKE DAMPERS

  • Rugged 3V blades, 1.6mm thick , Galvanised steel ,stainless steel jamb seals for tight closure
  • 432mm and 508 mm sleeves
  • Duct temperature sensor, spring return actuator
  • Open /close switch , test/reset button available on control panel 120 min fire rating<
    • Blade seals for max protection
    • Airfoil blade for min pressure loss and turbulence optional thermal release devices available

FIRE DAMPERS

  • Rugged 3V Blades, 1.6mm thick , GI Fuse links 120 min fire rating
    • Open/close switch or manual indicator
    • 432 mm wide duct mount sleeve also available
    • Air foil blade for min pressure loss and turbulence

Volume Control Dampers

  • Available in light duty steel , 3v blades with or without blade seal
  • Available in heavy duty steel 3V blades with or without blade seal
  • Available in heavy duty air foil steel blades , with or without blade seal
  • Available in low leakage all Aluminium construction with blade seals , gear driven
  • Manually adjusted or motorised

DUCTING

DIMENSION OF COMMONLY USED RECTANGULAR AIRDUCTIN VENTILATION SYSTEM

HEIGHT (MM)
WIDTH(MM)
200 200X100 200X150
300 300X100 300X150 300X200
400 400X100 400X150 400X200 400X300
500 500X150 500X200 500X300 500X400
600 600X150 600X200 600X300 600X400 600X500
800 800X200 800X300 800X400 800X500 800X600
1000 1000X300 1000X400 1000X500 1000X600 1000X800
1200 1200X300 1200X400 1200X500 1200X600 1200X800 1200X1000
1600 1600X400 1600X500 1600X600 1600X800 1600X1000 1600X1200
2000 2000X800 2000X1000 2000X1200

AIR VELOCITIES IN DUCT SHOULD NOT EXCEED CERTAIN LIMITS TO AVOID HIGH PRESSURE LOSS AND UNACCEPTABLE NOISE GENERATION , THE VALUE BELOW ARE COMMON GUIDELINES FOR SOME TYPICAL APPLICATION

AIR VELOCITY IN DUCT WORK
m/s ft/s
COMBUSTION AIR DUCT ’12-20 ’40-66
Air Inlet to boiler room ‘1-3 3.3-9.8
Warm Air for House 0.8-1.0 2.6-3.3
Compressed Air Pipe 20-30
Ventilation Duct Hospital 1.8-4.0 5.9-13
Ventilation Duct office 2.0-4.5 6.5-15
Commonly used Velocities Table
Type of Duct Comfort System Industrial System High Speed
Main Duct 780-1380 ftm
4-7 m/s		 1575-2360 ftm
8-12 m/s		 1670-3540 ftm
10-18 m/s
Main Branch duct 590-985 ftm
3-5 m/s		 985-1575 ftm
5-8 m/s		 1180- 2360 ftm
6-12 m/s
Branch Duct 200-590 ftm
1-3 m/s		 590- 985 ftm
3-5 m/s		 985-1575 ftm
5-8 m/s
Duct Velocity Imperial unit
Vi=qi/Ai vi= Air Velocity (ft/min)ftm Sizing of Duct works in ventilation system can be done by :-
1. Velocity Method
2.Constant pressure loss Method or Equal friction method
3.Static Pressure Recovery method
qi=Air Flow (CFM) Sizing of Duct based on Velocity Method :-
Proper airflow velocities for the application considering the envoirnment are selected
Sizes of Duct are then given by the continuity equation
Ai= Area of Duct (sq ft) A=q/v A= Duct cross sectional area (m2)
Vi=qi/Ai vi= Air Velocity (m/s) q= air flow rate (m3/s)
qi=Air Flow (m3/s) v= air speed (m/s)
Ai= Area of Duct (m2)
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Works & Office : Max Air HVACS Industries
Plot No C - 673, Ansal Pioneer Industrial Park, Pathredi, Bilaspur, Haryana -123413

Phone: +91-9311 3406 73, +91-9971 54 5353

Email: maxair.hvacs@gmail.com

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