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The Opposed Blade Collar Damper (C-OBD) is engineered to provide precise air volume control when paired with your ventilation system’s grilles or diffusers. Crafted primarily from high-grade extruded aluminum profiles, this damper ensures long-lasting durability and reliable performance. For maximum convenience during maintenance and balancing, the damper is designed to be key-operated directly from the front face of the attached grille or diffuser, eliminating the need to dismantle the setup to make airflow adjustments.
Versatile Mounting: Designed to be easily mounted directly onto the neck of grilles and diffusers, or securely attached to a duct collar.
Secure Installation: Can be firmly fixed in place using either stainless steel (S.S.) clips or standard rivet fixing.
Size Range: Available in a comprehensive range of dimensions, from a compact 100 x 100mm up to a large 1000 x 500mm.
Finish Options: Choose between a sleek black anodized finish for a discreet look or a standard natural mill finish.
Alternative Materials: To accommodate specific project requirements, these dampers are also available in mild steel or galvanized steel sheet construction.
The Single Flap Butterfly Damper (C-BFD/S) is an essential component designed for precise supply and return air volume control within round collars and ducts. Constructed from high-quality galvanized steel or aluminum sheet, this damper ensures reliable performance and durability across various HVAC systems. It is highly suitable for both critical airflow balancing and complete shut-off applications, offering straightforward manual operation for easy system management.
Control Mechanism: Features a single-flap adjustable blade that is easily and precisely operated using a built-in manual handle and lever system.
Versatile Fixing Options: Designed for adaptable installation, it can be mounted using both-side flanges for rigid round collars or a V-groove design for secure attachment to flexible ducts.
Application Focus: Engineered specifically to handle the demands of system balancing and effective airflow shut-off.
Available Dimensions: Offered in a wide range of sizes to fit diverse ducting requirements, spanning from 100mm up to 800mm in diameter.
Standard Finish: Comes in a clean, natural steel finish for a standard industrial appearance.
The Two Flap Butterfly Damper (C-BFD/D) is a durable airflow regulation component crafted from high-quality galvanized steel or aluminum sheet. Specifically designed to integrate seamlessly with circular HVAC products, it provides effective and reliable airflow adjustment for your ventilation systems. The damper utilizes a double-flap adjustable blade mechanism that can be easily operated manually via a central screw, allowing for precise and balanced control over air distribution.
Control Mechanism: Features a double-flap adjustable blade operated manually via a convenient central screw for precise airflow tuning.
Application Focus: Designed specifically to be paired with circular HVAC products to efficiently manage and adjust air volume.
Secure Installation: Can be easily and firmly installed using standard screw or pop rivet fixing methods to ensure a secure connection.
Available Dimensions: Offered in a versatile range of sizes, from 100mm up to 450mm in diameter.
Optional Accessories: Can be equipped with an extended sleeve for added installation flexibility and ducting reach.
Standard Finish: Supplied in a clean, natural steel finish.
The Hit & Miss Damper (C-HMD) is a robust and reliable airflow control solution manufactured from high-quality galvanized steel or aluminum sheet. Specifically engineered for seamless integration with continuous slot diffusers, this damper provides effective and precise volume control for your commercial or industrial ventilation needs. For maximum ease of use during system balancing and maintenance, it features a convenient manual operation mechanism that is directly accessible from the front face of the slot diffuser, eliminating the need to dismantle the setup to make airflow adjustments.
Application Focus: Designed exclusively to be used in tandem with continuous slot diffusers for optimal and uniform airflow management.
Control Mechanism: Easily and manually operated straight from the front face of the slot diffuser for quick, hassle-free balancing.
Secure Installation: Can be firmly mounted directly onto the slot diffuser collar utilizing standard screw or rivet fixing methods for a stable hold.
Available Configurations: Offered in multiple size variations, ranging from 2-slot up to 6-slot models, to perfectly match your specific diffuser requirements.
Standard Finish: Comes in a clean, natural sheet finish for a standard industrial aesthetic.
The Volume Control Duct Damper (C-GIVCD) is a highly efficient solution engineered for precise air volume adjustment within square or rectangular duct systems. Constructed from premium-quality galvanized steel sheet, this damper ensures durability and reliable performance in demanding HVAC environments. It features an advanced 3V type multi-blade, opposed-blade assembly equipped with self-lubricating bushes and fully enclosed linkages, guaranteeing smooth operation and minimal maintenance over its lifespan. Whether you require manual airflow adjustment or integration into an automated building management system, this damper is designed for a seamless, secure fit.
Core Functionality: Specifically designed to reliably regulate and adjust air volume passing through ductwork.
Advanced Blade Design: Utilizes a 3V type multi-blade, opposed-blade assembly to provide precise airflow control and superior aerodynamic performance.
Low Maintenance: Features a self-lubricating bush assembly and fully enclosed linkages to reduce mechanical wear and ensure long-term, smooth operation.
Flexible Operation Modes: Can be equipped with a manually operated handle featuring a secure locking quadrant, or it can be motor-operated for automated control.
Installation Method: Engineered for a straightforward and secure flange-to-flange connection within square or rectangular duct setups.
Optional Accessories: Fully compatible with optional actuators and control panels to facilitate motorized, remote operation.
Standard Finish: Supplied in a durable, natural galvanized sheet finish for industrial reliability.
The Low Leakage Duct Damper (C-ALVCD) is a premium airflow management solution specifically engineered for environments requiring stringent air control and minimal leakage. Constructed from high-grade extruded aluminum profiles, this damper offers exceptional durability and a lightweight design suitable for both supply and extract air applications. It features advanced aerofoil blades that are gear-operated in an opposed-blade configuration, ensuring precise regulation of air volume while maintaining optimal aerodynamic efficiency.
Core Functionality: Ideal for supply and extract air applications where maintaining a low leakage rate is a critical requirement.
Advanced Blade Design: Utilizes opposed-blade, gear-operated aerofoil blades to provide highly accurate airflow control and reduce air resistance.
Reliable Components: Equipped with durable PVC bushes and PVC gears, featuring fully enclosed linkages to ensure smooth, low-maintenance operation and protect internal mechanisms from debris.
Installation Method: Engineered for a secure, straightforward flange-to-flange connection directly within your duct system.
Optional Accessories: Fully compatible with actuators and control panels for seamless integration into automated, motorized building management systems.
Standard Finish: Supplied in a clean, natural aluminum mill finish for a professional, industrial look.
The Fire Damper / Fire & Smoke Damper (C-FD/FSD) is a critical safety component designed for both supply and return air applications in wall or duct installations. Constructed from heavy-duty 16-gauge galvanized steel sheet, this damper provides robust fire protection and long-lasting durability for your HVAC system. It features a highly reliable interlocking blade assembly driven by a fully enclosed linkage mechanism. By utilizing self-lubricating bushes and chrome-plated spindles, the damper ensures smooth, failsafe operation during critical emergencies.
Failsafe Thermal Trigger: Utilizes a high-tensile spring that reliably holds the blade assembly in the “open” position during normal operation, paired with a UL-stamped fusible link that automatically triggers closure at 74°C to effectively prevent the spread of fire.
Motorized Integration: Can be equipped with a spring-return actuator and control panel, allowing for automated, motorized operation and seamless integration into modern building fire and smoke management systems.
Durable Components: Engineered with fully enclosed linkages, self-lubricating bushes, and chrome-plated spindles to minimize maintenance and guarantee reliability when it matters most.
Versatile Installation: Designed for flexible mounting, offering standard flange-to-flange fixing for inline duct connections or an extended sleeve configuration for secure wall installations.
Comprehensive Accessories: Available with a full suite of safety accessories to customize your setup, including replacement fusible links, spring-return actuators, control panels, and limit switches for precise position monitoring.
Standard Finish: Supplied in a resilient, natural galvanized sheet finish for industrial-grade protection.
The Fire Damper / Fire & Smoke Damper (C-FD/FSD) is a critical safety component designed for both supply and return air applications in wall or duct installations. Constructed from heavy-duty 16-gauge galvanized steel sheet, this damper provides robust fire protection and long-lasting durability for your HVAC system. It features a highly reliable interlocking blade assembly driven by a fully enclosed linkage mechanism. By utilizing self-lubricating bushes and chrome-plated spindles, the damper ensures smooth, failsafe operation during critical emergencies.
Failsafe Thermal Trigger: Utilizes a high-tensile spring that reliably holds the blade assembly in the “open” position during normal operation, paired with a UL-stamped fusible link that automatically triggers closure at 74°C to effectively prevent the spread of fire.
Motorized Integration: Can be equipped with a spring-return actuator and control panel, allowing for automated, motorized operation and seamless integration into modern building fire and smoke management systems.
Durable Components: Engineered with fully enclosed linkages, self-lubricating bushes, and chrome-plated spindles to minimize maintenance and guarantee reliability when it matters most.
Versatile Installation: Designed for flexible mounting, offering standard flange-to-flange fixing for inline duct connections or an extended sleeve configuration for secure wall installations.
Comprehensive Accessories: Available with a full suite of safety accessories to customize your setup, including replacement fusible links, spring-return actuators, control panels, and limit switches for precise position monitoring.
Standard Finish: Supplied in a resilient, natural galvanized sheet finish for industrial-grade protection.
