Greenheck manual volume damper

Manual and remote balancing dampers regulate the flow of air to balance an HVAC system. Greenheck’s damper interactive selection guide removes the guesswork. Find blade type, velocity, pressure, AMCA listings, submittals, drawings and more, all in one easy-to-use format. MBDR The MBDR is a round manual balancing damper regulating the flow of air in an HVAC system. Pressure: Up to 1 in. wg. Velocity: Up to fpm. Temperature: Up to °F. Manual Balancing Dampers. MBD Manual Balancing Dampers MBD Single Blade 36 x 12 1 Manual Quadrant MBDM Single Blade 36 x 12 1 Manual Quadrant MBD 3V 96 x 96 4 Manual Quadrant MBDR True Round 24 1 Manual Quadrant - Remote Balancing Dampers RBD Single Blade 36 x 12 1 Remote Control with 9 Volt Actuator.

• For stainless steel dampers and stainless steel or galvanized sleeves: 3⁄ 16 in. per foot (5mm per.3 m) of damper width and height with a minimum clearance of 1/4 in. (6mm), maximum of 2 in. (51mm). These are total clearances (ignoring fastener heads) and do not need to be equally spaced around the damper. Manual balancing dampers meeting the following specifications shall be furnished and installed where shown on plans and/or as described in schedules. Damper shall consist of: 22 ga. (mm) galvanized steel frame with 17⁄ 8 in. (48mm) depth; blades fabricated from 20 ga. (1mm) galvanized steel; integral 1⁄ 2 in. (13mm) dia. axles. dampers: • Balancing • Volume Control Maximize Performance - Low Profile Frame On dampers that are 17 in. (mm) high or less, Greenheck uses a low profile top and bottom frame section to maximize free area which allows for lower pressure drop and increases damper performance. Tog-L-Loc® Reinforced Corner Frame - Tog-L-Loc® Advantage.

Fire dampers are designed to protect duct penetrations and transfer openings in fire rated walls, barriers, partitions, or floor/ceiling assemblies. Model FD is. in HVAC systems where both a fire damper and The process of selecting a fire/smoke damper involves the instructions for specific requirements. Balancing dampers are control dampers that balance the flow of air in an HVAC.