Engineered
Airflow Control.
Ventas Damper Dynamics delivers surgical precision for industrial ventilation systems. From seismic-rated isolation to high-heat smoke extraction.
HVAC Control Dampers
Precision regulation for commercial and institutional environments focusing on volume and life safety.
Volume Control
Ultra-Low Leakage
Fire/Smoke
UL 555S Rated
Heavy Duty Gear
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Isolation
100% Zero-Leakage
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High Temp
Up to 1200°F Continuous
Vibration & Kinetic Mitigation
Advanced dynamic dampening systems designed for high-amplitude resonance reduction in structural and rotating machinery applications.
Read Technical Papers arrow_forwardHeavy-Duty Damper Specifications
Engineered flow control equipment for extreme thermal, pressure, isolation, and HRSG bypass applications. Review full technical parameters or request customized dimensions.
COFFEEPOT DAMPER
The Coffee Pot Damper is a strong and reliable safety damper used in HAG and attached on hot-air ducting systems. It is designed to handle high temperature and pressure conditions. The damper can be operated by a pneumatic cylinder or electric actuator, while the counterweight arrangement helps in quick opening during emergency situations. Its simple, robust design makes it suitable for safe industrial operation.
| MOC | M.S. or S.S |
| Type | Flap Type |
| Size Range (Dia.) | 300 mm (Min.) to 2500 mm (Max.) |
| Efficiency | 95% to 99.5% |
| Operating Temperature | Up to 600°C |
| Operating Air Pressure | Up to 1000 mmWC |
MULTILOUVER DAMPER
The Multilouver Dampers are used for airflow regulation and isolation in ventilation, fans and industrial air-handling systems. The damper has multiple adjustable louvers mounted in a strong fabricated frame, which helps in smooth and uniform air control with low pressure drop. Louvers are connected through an external linkage for easy and synchronized operation. The damper can be provided with manual or motorized operation and customized in size, material and arrangement as per application requirements.
| MOC | M.S. or S.S |
| Type | Multilouver / Vane Type |
| Size Range (Dia.) | 8” to 144” Ø / As per Requirements |
| Efficiency | 85% to 92% (depending on blade arrangement and orientation) |
| Operating Temperature | Up to 600°C |
| Operating Air Pressure | Up to 1000 mmWC |
GUILLOTINE DAMPER
The Guillotine Damper is a heavy-duty damper designed for reliable ON-OFF isolation of air, gas and process ducting systems. It is available in Round and can be manufactured as per required duct/flange dimensions. The damper is suitable for high-temperature and industrial applications where low pressure drop, easy inspection and maintenance are required. When fully open, the passage remains clear, resulting in minimum load loss.
| MOC | M.S. or S.S |
| Type | Multilouver / Vane Type |
| Size Range (Dia.) | 600 mm (Min.) to 4000 mm (Max.) |
| Efficiency | 90% to 99.5% |
| Operating Temperature | Up to 600°C |
| Operating Air Pressure | Up to 1000 mmWC |
LOUVER (FLAP) TYPE DAMPER
The Louver (Flap) Damper is a heavy‑duty industrial flow control device designed for high‑temperature and harsh environments. Its blades can be arranged in parallel or opposed positions, oriented vertically or horizontally, and customized in size to match duct requirements. Built from high‑strength alloys, it offers tight shut‑off, high efficiency (85–92%), low leakage (<2%), and reliable operation with manual, pneumatic, or electric actuators.
| MOC | M.S. or S.S |
| Type | Louver (Flap) Damper |
| Size Range (Dia.) | 300 mm to 3600 mm (custom sizes available) |
| Efficiency | 85% to 92% (depending on blade arrangement and orientation) |
| Operating Temperature | Up to 600°C |
| Operating Air Pressure | Up to 1000 mmWC |
BUTTERFLY DAMPER
The Butterfly Damper is a compact, flange‑mounted flow control device used in air and gas conduit systems. It features a flat disc with reinforcing ribs that rotates on semi‑shafts to regulate airflow. Available in sizes from 100 mm to 3800 mm, it offers high efficiency (92–98%), low leakage (<2%), and minimal pressure drop. Built from durable fabricated materials, it ensures reliable performance in high‑temperature environments with easy installation and low maintenance needs.
| MOC | M.S. or S.S |
| Type | Butterfly Damper |
| Size Range (Dia.) | 100 mm to 3800 mm (larger sizes available on request) |
| Efficiency | Flow efficiency 92–98% depending on disc size and sealing |
| Operating Temperature | Up to 600°C |
| Operating Air Pressure | Up to 1000 mmWC |
SLIDING DAMPER
The Sliding Damper is a simple and durable flow control Equipment used in ducts and pipelines. It operates with a flat plate that slides horizontally or vertically to regulate or shut off air and gas flow. Available in sizes from 100 mm to 1800 mm, it offers reliable efficiency (90–95%), moderate sealing, and easy operation with manual, pneumatic, or electric actuators. Its rugged design ensures long service life with minimal maintenance.
| MOC | M.S. or S.S |
| Type | Sliding Damper |
| Size Range (Dia.) | 100 mm to 1800 mm (custom sizes available) |
| Efficiency | Flow efficiency 80–90% depending on sealing and plate design |
| Operating Temperature | Up to 600°C |
| Operating Air Pressure | Up to 1000 mmWC |
DIVERTER DAMPER
The Diverter Damper is an engineered heavy-duty gas diversion system designed with one inlet and two outlets using a single pivot blade mechanism for rapid modulation (under 30 seconds) between the main stack and HRSG bypass. Built with up to 99.9% sealing efficiency (using Seal Air systems) and capable of continuous operation up to 1000°C.
| MOC | IS2062 Carbon Steel, SS304, SS316, Inconel (Higher grades on request) |
| Type | Y-Type Single Flap, T-Type Double Flap, Box Type |
| Size Range (Dia.) | 100 mm to 6000 mm (Custom engineered) |
| Sealing Efficiency | Up to 99.5% (99.9% with Seal Air system for zero leakage) |
| Design Temperature | Up to 1000°C continuous |
| Operating Air Pressure | Up to 1200 mmWC / As per project requirement |