Round Volume Control Dampers

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