DCA
The DCA type Heat Resisting Smoke Dampers are designed for preventing the spreading of smoke in air ducts.
DDA
The DDA type Smoke Evacuation Damper are designed for preventing the spreading of smoke in air ducts.
Wide Blade Smoke Exhaust Damper
DDB
The DDB type Smoke Dampers are designed for preventing the spreading of smoke in air ducts.
Rectengular CAV (Constant Air Volume)
DEA
Constant Air Volume (CAV) rectengular damper unit to regulate the air flow to a preset value, operating mechanically, without any external power.
Constant Air Volume Damper (CAV)
DFA
Constant Air Volume (CAV) circular damper unit to regulate the air flow to a preset value, operating mechanically, without any external power.
DKA
The DKA type backdraft dampers are designed for preventing backdraft in rectangular ducts.
DKB
DKB backdraft dampers are designed to prevent reverse flow of air in HVAC systems. They can be used in supply and extract systems.
DKC
The DKC type backdraft dampers are designed for preventing backdraft in rectangular ducts.
DKR
The DKR type relief dampers are designed for relieving excess pressure and keeping the pressure constant in the relevant space.
DRA
The DRA type air shut-off dampers are designed for shutting air flow in round ducts. They are used in supply and return systems.
DSA
The DSA type air shut-off dampers are designed for shutting air flow in rectangular ducts.
Variable Volume Flow Rate Controller
DVA
The DVA (Variable Air Volume) units are designed for regulating the air flow at a fixed or within set maximum and minimum limits. They are used for supply and extract systems.
Variable Volume Flow Rate Controller
DYA
The DYA (Variable Air Volume) units are designed for regulating the air flow at a fixed or within set maximum and minimum limits. They are used for supply and extract systems.