KBG Group

Dampers & Control Systems

Life-safety and airflow control dampers manufactured under strict UL 555 / UL 555S protocols. Suitable for fire-rated partitions, smoke control corridors, and pressurisation systems in critical infrastructure.

Gas Tight Dampers

Gas Tight Dampers

Class 1 Leakage Dampers engineered for absolute air and gas sealing in critical applications where leakage cannot be tolerated. Designed with special seals and robust construction, these dampers ensure zero or near-zero leakage under high pressure, temperature, and hazardous conditions.

Key Features

Zero to Near-Zero Leakage
Robust Construction
High Performance Seals
Motorized/Manual Operation
Fire & Corrosion Resistant
Custom Sizes & Designs

Applications

  • Chemical and pharmaceutical industries
  • Power plants and turbine systems
  • Nuclear and defense facilities
  • Clean rooms and laboratories
  • Hazardous gas ventilation systems
Materials GI, MS, Stainless Steel (304/316)
Sealing Metal-to-Metal | Inflatable Seals
Standards Tested per International Standards

Fire Dampers

Reliable Fire & Smoke Protection for HVAC Duct Systems. Fire Dampers are engineered safety components installed in HVAC ducts to prevent the spread of fire and smoke during emergencies. They automatically close upon detecting high temperatures, sealing off duct openings and maintaining fire compartmentalization.

Key Features

Automatic Operation
UL555 / IS 12433 Certified
Fire Ratings up to 4 Hours
Vertical & Horizontal Duct
Low Leakage Design
BMS Integration

Available Types

  • Fusible Link Fire Damper
  • Motorized Fire Damper
  • Fire & Smoke Damper
  • CBRI Approved Fire Damper
  • UL-555 rated Fire Damper
  • Curtain Type Fire Damper
Materials GI, SS304, SS316
Certifications UL555, IS 12433, CBRI Approved
Fire Dampers
Control Dampers

Low Leakage Control Dampers

Precision control dampers designed for applications requiring minimal air leakage when in the closed position. These dampers provide superior sealing performance compared to standard control dampers, making them ideal for energy-efficient HVAC systems and critical environmental control applications.

Key Features

Class 1A Low Leakage
Energy Efficient
Modulating Control
Durable Construction

Applications

  • Critical HVAC systems requiring tight shut-off
  • Clean room and laboratory environments
  • Energy recovery systems
  • Pharmaceutical manufacturing facilities
Blade Types Opposed Blade, Parallel Blade
Actuation Electric, Pneumatic, Manual
Engineering Data

Technical Specifications

Standard parameters. All products manufactured to custom specifications upon requirement.

Fire Rating1.5 Hr / 3 Hr (UL 555)
Smoke ClassificationClass I / Class II (UL 555S)
Frame MaterialGalvanized steel 1.6–3.0mm
Blade MaterialGalvanized / Stainless steel
ActuatorSpring-return, 24V / 230V AC, fail-safe
Max Duct Size2400mm × 2400mm (custom)
Leakage ClassClass II, Class III per EN 13030

Standards & Compliance

  • UL 555 Standard for Fire Dampers
  • UL 555S Standard for Smoke Dampers
  • IS 3103 Industrial Ventilation — Code of Practice
  • NFPA 92 Standard for Smoke Control Systems
  • NBC 2016 National Building Code of India — Fire & Life Safety

Key Applications by Sector

Metro Stations & Tunnels
UL 555 fire dampers and NFPA 92 smoke control dampers for under-platform extraction, emergency ventilation, and tunnel fire egress systems.
Airports & Aviation
Fire-rated and smoke control dampers for terminal buildings, cargo facilities, and baggage handling areas meeting DGCA and NBC 2016 requirements.
Hospitals & Healthcare
Low-leakage control dampers and combination fire/smoke dampers for isolation rooms, operating theatres, and pressurised stairwells.
Data Centres & IT
Gas-tight and volume control dampers for precision air management in server halls, UPS rooms, and fire-suppression zones with fail-safe actuation.

Request a Technical Quotation

Provide your duct schedule and fire-zoning drawings for compliant damper sizing and submittal documentation.