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Introduction :
The Weatherproof cum Sound Attenuated Canopies ( Modular / non – modular) are designed for quick assembly and dismantling for meeting critical requirements of noise suppression of DG Sets   to house the    comfortably inside enclosure under extreme weather conditions, especially in peak summer without derating & affecting the performance of DG Sets. The sound attenuated canopies meet noise regulations. The super sound attenuated canopies meet even the most stringent environmental standards .

The   Acoustic-Canopies consist  of  basic frames, acoustic Wall paneling / Room paneling/ barriers, top / roof segments, natural & forced  (optional) ventilation - fans or blowers,  inlet-outlet  ventilators frames,  ducting, partitions  etc.   Genset ratings from 2.5 to 2000 KVA, applicable to all types of gensets - air & water cooled.

Acoustic Enclosures, Soundproof Enclosures
320 KVA Silent AMF DG Set –  72  
dB A  at 1 meters distance
Besides, the existing Power Houses, DG Rooms, etc. can be converted into Silent Power House, too, by incorporating the required Acoustic panels / barriers, forced ventilation system without affecting the rated performance of DG Set
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The Enclosure is Categorised Basically in Four Parts
Double DG
The precaution has been taken in the design of Enclosures to reduce  different & higher level sounds created at various locations while DG Set is running.
Temp. : As far as ventilation is considered. The OSE enclosures are provided with forced & natural ventilation system which enables the fresh air inlet to engine breathing, cooling & throws out hot air outside considerably.
Special precautions are taken for Engine Air Filters which is directed allowed to suck the Fresh Inlet Air for Engine directly from atmosphere
Whether Proof : All the precautions has been taken to withstand the All types of climate conditions & seasons like winter, monsoon, summer, etc.
Maintenance : Sufficient space is allotted inside to fit different accessories like batteries, etc & the maint. can done inside with the easy movement of the working person on DG Set.

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The "OSE" Series enclosure features include :
Highly Corrosion Resistant Construction / Structure
Body made from CRCA Steel, 16 SWG with high Accuracy level, with highly skilled experienced staff, welded with jigs & fixtures, which can accommodate 50 mm to 100 mm Acoustic Lining for various ranges of DG Sets from 2. 5 KVA TO 2000 KVA.
Various ports / partitions / louvers are provided for the canopy to suit the application & as per the type of DG Set – air / water cooled to fit the required accessories to couple DG Set with canopy, Considering exhaust piping, engine suctions, forced ventilations, bellows for radiators, etc.
Z / C / Other, (if required) sections are used to form box type panellining, which facilitate easy & uniform filling of Acoustic material - glass wool of high & required density, with the help of perforated MS sheet (AL. Perforated sheet optional).
Rubber Gaskets / Silicon sealant are used wherever required to fill up the typical gaps, if any.
The precaution is being taken for the heat radiation & conduction through the exhaust system. All the exhaust piping (except engine exhaust manifold, expansion below) inside canopy is lagged with asbestos lagging / Aluminium cladding.
To ensure suffient space inside enclosure, & for higher ratings, the silence (residential) is provided/fitted outside & top of the canopy.
Stainless steel locks and hinges.
Zinc plated or stainless steel fasteners.
Sheet steel components pre- treated with zinc phosphate prior to Painting.
Excellent Access for maintenance.
Easy access for Radiator coolant / water filling.
Lube oil and cooling water drains piped to exterior of the canopy.
Full length extra wide doors  / sliding doors on each side.
Safety glass control panel viewing window in a door; Emergency stop button mounted on canopy exterior.
Cooling fan and battery charging alternator fully guarded.
Fuel fill and battery (with stand) can only be reached via lockable access doors.
Exhaust silencing system totally enclosed / lagged inside for operator safety.
Lifting points on base frame for non-modular enclosures.
Special Features :
The noise level reduction is ensured by 25 dBA at 1 Mtrs.than the specified sound levels of Engine manufactures, which is normally 100 (+5 DbA), in open atmosphere.
Noise level, on average below 75 dBA at 1 M in open atm. & 65 to 70 dBA at 1 M in open atm for Super Sound Attenuated Canopies.
No duration applicable for DG Set if housed in Enclosure.
Enclosures are whether proof / suitable for   open air installation. No civil work is required, except bottom sealing.
Sufficient space for Routine. Breakdown maintenance.
Air filter is allowed to suck fresh air, which is breathed by Engine required for proper & complete combustion of fuel. Normal temp. Difference in bet. Ambient air temp. & Air inlet temp. To air filter is 10 deg. cel. (+ / - 5 deg. cel. normally depends upon the site conditions, & the difference increases if amb. temp. is above 40 to 45 deg. cel.)
The Enclosure is supplied with or without space for fuel tank & panel. Enough space to house panel and Fuel Tank inside canopy (optional).
Heavy-duty sturdy steel base frame for placement of D.G. Set (optional as canopy base).
Provision of Air-Intake / Ventilators and Air-Exhaust silencer's for preventing leakage of sound.
Openable doors / sliding doors for easy access to virtually every part of D.G. Set for comfortable maintenance. Doors are Sound Reduction High Performance most comfortable Sound Reduction level to 70-75 db at a distance of 3 meters.
Forced Ventilated Air-Circulation system using Axial Fan's as per engine requirements.
Separate Duct for ventilating hot air coming out of engine (In case of Air Cooled Engines) / Radiator duct for water-cooled engines.
It can be dismantled completely & engine is accessible from all the (sides) Easy Modular Structure, Easier Installation.
Suitable for both indoor and outdoor installation.
Provides excellent access for normal operation & routine maintenance.
Construction is rugged, durable and virtually maintenance free.
Aesthetically designed to perform for optimum noise attenuation and for proper engine ventilation.
Suitable for existing genet installation.
Modular design for ease of assembly/disassembly in the event of major breakdown repairs.
All material used are of fire-resistant/retardant grade.
The Acoustic Enclosure is Environment Friendly as they are protected against weather dust rodents and have in built thermal protection.
We have excellent trained team of engineers to erect canopies in any   area, basements, rooftops, on trucks or trailers, rigid frames, in industry or diverse applications.
Om Sai Enterprises