Round Volume Control Dampers
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Round Volume Control Dampers

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Product Description

Round Volume Control Dampers

1.Product Introduction

SuperAir Round Volume Control Dampers are equipped with a manually adjustable damper blade with regulating deivce . By adjusting the damper blade, the flowair can be controlled manually via the galvanised spiral ducts. The different sizes ensure a perfect connection of the damper to the galvanised spiral ducts. In addition, the Round Volume control Dampers can be equipped with good quality rubber gaskets  which guarantees an airtight connection to the spiral ducts. Just like the spiral ducts, the damper meets the strict air tightness class D requirements, which guarantees that you can install an optimized ventilation duct with high quality spiral ducts. You insert this spiral duct attachment into the duct. No additional connection piece is therefore required for connection.
Round Volume Control Dampers are ideal for use in branch duct lines for adjusting supply or return air volume. Typical uses are for rooms that get minimal use and can be closed off for extended periods of time or rooms that need different amounts of airflow in the summer and winter. You can easily use this Damper with vent system HVAC parts.

HVAC Duct Manual Volume Damper with Sleeve - Galvanized Sheet Metal Round Volume Damper Airflow Ducting Branch, Adjustment Handle HVAC Air Balancing System - Easy To Install

2.Product Parameter (Specification)

Regulating Damper,RDA
● Galvanized steel 0.5mm
 Branching connection
 Fusion welded(line ar weld)
 Possibility of width different type of mechanism


RDA/RDAX
D
L
E
100
100
110
30
125
125
110
30
150
150
110
30
160
160
110
30
200
200
110
30
250
250
110
30
315
315
110

30

2.Product Feature And Application
-The frame is made of galvanised steel seamed by welding
-Suitable for standard spiral ductwork.
-The dampers blades, fixed on bearing pins, can be rotated in the vertical from fully open to fully closed.
-The bearing pin is coupled to a hand-lock quadrant with an opening and closing mark. The hand-lock quadrant frame is marked to show the exact position of the dampers.
• Branching connection
• Fusion-welded (linear weld)
• Possibility of with different types of mechanism


3.Product Details



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