DESIGN ENGINEERED TO PERFORM:
CALCON Acoustic Enclosures are meticulously engineered in - house by our team of engineers. Our Acoustic Enclosure is not only for noise reduction but also for proper genset ventilation and easy access for operation and maintenance. The enclosure can be tailormade as per the requirement and site conditions.

CONSTRUCTION DETAILS:
The Structure is fabricated using CRCA sheets of 16 gauge Thickness and steel members. The enclosure is fabricated on a MS Channel Frame work further strengthened by suitable cross members to make it robust and sturdy. Rock wool/ Mineral wool of suitable thickness and density conforming to IS 8183 is used for acoustic insulation to reduce the sound level to less than 75 db from the original sound level of 105-110 d BA, when measured at 1.mtr. distance from the D.G. Set.
The acoustic enclosure consists of following :

Acoustic Insulation:
High density Fireproof Acoustic Enclosure Material i.e. resin bonded rock wool/ mineral wool (75 - 100 mm thick of 96 Kg/m3 density) conforming to IS: 8183 is provided on all doors and roof to absorb noise. The insulation material used is fire retardant. The insulation is covered with fiber glass cloth and is supported by perforated sheet. Sound attenuators / down stearm silencers are provided at all openings for air intel/outlet to facilitate free air flow but to absorb sound resulting in extremely low noise level. Detachable partitions are provided inside the enclosure to attain further noise attenuation of the engine.

Noise Suppressor:
A suitable designed absorption type Residential noise suppressor is provided which minimizes the exhaust noise of the engine.

Exhaust System:
The exhaust gas is taken out through a specially designed flexible pipe, which prevents any back pressure on the engine.

Thermal Insulation:
The exhaust system and noise suppressor is provided thermal insulation by using glass wool & covering it with Aluminium sheet. This prevents it from radiating excess heat on the engine, makes it safe for the operator and enhances aesthetics.

Surface Treatment:
The enclosure is surface treated and painted with high quality polyurethane epoxy paint with prior zinc oxide primer base, which make it weather proof and suitable for outdoor application. The paint is highly resistant to acids, alkalis, salt sprays, halogens, solvents, lubricants etc. and has very good dielectric properties and is resistant to abrasion and cracking.

Air Circulation & Ventilation System:
A suitable forced air circulation and ventilation system is designed to maintain safe operating temperatures inside the enclosure. Requisite air circulation for engine aspiration combustion and cooling is provided by means of Exhaust fans or tube axial flow fan driven by a 3 phase squirrel cage induction motor according to need of engine.

Vibration Isolation: The engine and alternator is mounted on Anti-Vibration Mounting pads to eliminate vibration.

Hardware:
Inlet and Outlet for cable, draining of lube oil and diesel etc. are provided. The doors are gasketed with high quality EPDN askets to avoid leakage of sound. All doors are lockable.