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Multiblade Fire Smoke damper

The Model FSD418 fire smoke damper is constructed of standard hot-dip pre-galvanised steel frame and blade. The blade
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Multiple Outlet Plenum

Catalogue − Submittal Sheet + Technical Data Sheet + Specification + Installation Manual +

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Multiple Outlet Silencers

Catalogue − Submittal Sheet + Technical Data Sheet + Specification + Installation Manual +

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Noise Control & Acoustics

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Noise Control & Acoustics

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Non-Drainable Horizontal Blade Louver

Connols-Air Model 30H Lourve is a true weatherproof louvre for outdoor air intake and exhaust ventilation applications. Standard
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Non-Drainable Horizontal Blade Louver

Catalogue − Submittal Sheet + Technical Data Sheet + Specification + Installation Manual +

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Panel Diffusers

CONNOLS-AIR Model NKP diffuser is constructed of electro-galvanized steel with round inlet, a adjustable dual-purpose disc and a
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Perforated Diffusers

Connols-Air Model P and PM perforated diffuser is constructed of square/rectangular steel perforated face with a round adjustable
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Pressure Dependent VAV Terminal Unit

CONNOLS-AIR DDC microprocessor based V750 air terminal units are the latest, state-of-the-art, high quality terminal units, that provide
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Pressure Independent VAV Terminal Unit

CONNOLS-AIR DDC microprocessor based V750 air terminal units are the latest, state-of-the-art, high quality terminal units, that provide
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Rectangular Airfoil damper

OLS Balancing/Motorized dampers are constructed of precision-formed parts so that a high standard of quality for the finished
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Rectangular Bubbletight Isolation damper

OLS bubble tight isolation damper is designed to pressure rating of 2.5, 3, 4.5 and 7.5 kPa with blade deflection
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Rectangular Multi-Blade Fire-Smoke Dampers

OLS Tunnel Fire & Smoke ventilation damper is constructed of standard hot-dip pre-galvanised steel frame full welded at
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Rectangular Multi-Blade Smoke Dampers

The smoke damper is constructed of standard hot-dip pre-galvanised steel frame full welded at the corner. The blade
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Rectangular Multiple-blade damper

OLS Non-return damper frame is constructed of high quality hot-dipped pre galvanised steel sheet of 1.20mm thick cold-formed
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Multiblade Fire Smoke damper

The Model FSD418 fire smoke damper is constructed of standard hot-dip pre-galvanised steel frame and blade.  The blade is constructed of double-skinned steel plates with stainless steel blade edge seals.  The vertical frame is constructed of ‘C” channel with 38 or 50 mm flanges for duct connection.  Stainless steel jamb seal is installed on the vertical frame to minimise leakage between blade and frame.  Damper blade design enables bi-directional airflow.  Each blade is equipped with square stainless steel stub shaft and pivot on two-parts bearing.  Interconnecting blade linkages are located outside the air stream and pivot on two parts bush.  Damper may be constructed of stainless steel blade and frame.  As a standard, on-off spring-return electric actuator is provided to each damper, number of actuator required depend on the torque required to meet pressure and flow requirement.  The electric actuator is fast acting and able to close or open the damper over 90 degrees travel in 20 seconds.