PA Non Return Damper (Model: NRD) is designed to prevent the backflow of the air in the ducting system. Besides standard constructed from galvanised steel (GI), stainless steel material is available upon request.
| Blade | Single V groove |
| Flange | Flat Joint Slip Joint TDF Joint |
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PA Pressure Relief Damper (Model: PRD) is designed to maintain the duct pressure of the ducting system with the use of counter weight on the individual blade and standard constructed from galvanised steel (GI).
| Blade | Single V groove with counter weight |
| Flange | Flat Joint Slip Joint TDF Joint |
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PA Pressure Relief Flap (Model: PRF) is designed to maintain the duct pressure of the pressurized room and standard constructed from galvanised steel (GI).
| Blade | Single V groove with counter weight |
| Minimum Size | 150mm x 150mm |
| Maximum Size | 600mm x 600mm |
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PA Motorized Damper (Model: MD) is designed to adjust the amount of airflow in the ducting system electrically with aid from BELIMO actuator that controlled the shaft based on the signal input. Besides standard constructed from galvanised steel (GI), stainless steel material is available upon request.
| Blade | Triple V groove |
| Flange | Flat Joint Slip Joint TDF Joint |
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PA Volume Control Damper (Model: VCD) is designed to adjust the amount of air flow in the ducting system manually with the quadrant arm or Worm Gear System on the shaft of VCD. Besides standard constructed from galvanised steel (GI), stainless steel material is available upon request.
Image 1: Quadrant Arm
Image 2: Worm Gear
| Blade | Triple V groove |
| Flange | Flat Joint Slip Joint TDF Joint |
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PA Round Volume Control Damper (Model: RVCD) is designed to adjust the amount of air flow in the ducting system manually with the quadrant arm or Worm Gear System on the shaft of RVCD. Besides standard constructed from galvanised steel (GI), stainless steel material is available upon request.
| Blade | Single Blade |
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