HomeMy WebLinkAboutGreenheck Model MBD-10 Stairwell Injection Point Dampers ��IJ �,--cu+� �o,�- ��, s �t�ell
GR NHECK M B D-10
� Single Blade Manua/ Balancing Damper
Application and Design
Model MBD-10 is a manual balancing damper designed to regulate flow of air in a HVAC system.They are not intended to be
used in applications as a positive shut off or for automatic control.
Ratings �
Pressure: 1.0 in.w.g(.25 kPa)-pressure differential o
Velocity: 2000 fpm(10.2 m/s) W"
Temperature: 180°F(82°C)
\f H*
Standard Construction � o 0
Frame: Reinforced 18 ga.(1.3mm)galvanized steel \o
Blade: 20 ga.(1 mm)galvanized steel
Operator: 3/s in.(10mm)sq.locking manual quadrant
Operating Shaft: 3/a in.(10mm)sq.-2�/z in.(64mm)long
extension
� � ,
Axles: Integral1/z in.(13mm)dia ��
Size Limitations ;%'�;%'�
Minimum Size: 6 in.W x 4 in. H(152mm x 102mm) �
Maximum Size: 36 in.W x 12 in.H(914mm x 305mm) 3�h��
Options(at additional cost) 'W&H dimension furnished approximately Va in.(6mm)undersize.
•1�1z in.(38mm)standoff bracket(with extended pin}to
accommodate for the thickness of external duct
insulation.
- Specifications
;-: Manual balancing dampers meeting the fo0owing
� � � � ��=� specifications sh�ll be furnished and installed where shown
�.I3t��Insulation � on plans and/or as described in schedules.Dampers shall
� ,:, ���
�� consist of:a 18 ga.(1.3mm)galvanized steel frame with
3�/z in.(89mm)depth;blades fabricated from 20 ga.(1 mm)
galvanized steel;integral�/2 in.(13mm)dia axles.Damper
� manufacturer's printed application and performance data
� including pressure,velocity and temperature limitations
shall be submitted for approval showing damper suitable
� for pressures to 1.0 in,wg(249 Pa),velocities to 2000 fpm
° �< � .;�: (10.2m/s)and temperatures to 180°F(82°C).Testing and
Bracket ratings to be in accordance with AMCA Standard 500-D.
������ ;�.,:�.- Basis of design is Greenheck model MBD-10.
C2uadr�nt
�
NOTE:Temperatures in excess of 180°F(82°C)require special
consideration.
m Ductwork
Installation Instructions available at www.greenheck.com
�GREENHECK Copyright OO 2008 Greenheck Fan Co or '
rp at�on
MBD-10 Rev.4 May 2008
P.O.Box 410•Schofleld.WI544 76-06 7 0•�15.359.6771•greenheck.com