Greenheck Fan DFD-M210 Benutzerhandbuch

Application

Model DFD-M210 is a multi-blade fire damper with 3V style blades. 

The DFD-M210 has been qualified to 10.2 m/s (2000 fpm) and 1.0kPa  

(4 in. wg.) for operation and dynamic closure in emergency fire 

situations. Model DFD-M210 may be installed vertically (with blades 

running horizontal) or horizontally and is rated for airflow in either 

direction.

Model DFD-M210 has also been tested in accordance with BS476 to 

4 hours at Warrrington Fire, UK, and is approved for fire partitions of 4 

hours or less where British Standards are required. 

Ratings

UL 555 Fire Resistance Rating 

 

Fire Rating: 

1

1

⁄

2

 Hours 

 

Dynamic Closure Rating:  Actual limits are size dependent 

 

Maximum Velocity: 

10.2 m/s (2000 fpm) 

 

Maximum Pressure: 

1 kPa (4 in. wg)

BS476 Fire Resistance Rating 

 

Fire Rating: 

4 hours

Standard Construction

 

Frame:  

127mm x 25 mm (5 in. x 1 in.) 1.5mm 

 

 

(16 gauge) galvanized steel hat 

 

 

channel with reinforced corners. A 

 

 

low profile head and sill are used on 

 

 

sizes less than 432mm (17 in.) high to 

 

 

 maximize free area and performance. 

 

Blades:  

1.5mm (16 gauge) galvanized steel, 

 

 

reinforced with 3 longitudinal 

 

 

structurally designed vee’s. 

 

Seals: 

Flexible stainless steel jamb seals. 

 

Linkage: 

Concealed in jamb. 

 

Fusible Link: 

UL listed 74ºC (165°F) 

 

Axles: 

13mm (

1

⁄

2 

in.) dia. plated steel. 

 

Bearings: 

Bronze sleeve type. 

 

Actuator: 

Manual quadrant.

Size Limitations

 

Minimum Size: 

203mm W x  152mm H 

 

 

(8 in. W x 6 in. H) 

 

Maximum Size: 

 

Single Section: 

914mm W x 914mm H 

 

 

(36 in. W x 36 in. H) or 

 

 

813mm W x 1270mm H 

 

 

(32 in. W x 50 in. H) 

 

Multi Section: 

1626mm W x 1270mm H 

 

 

(64 in. W x 50 in. H)

Optional Features

•100ºC (212°F), 141ºC (286°F), and 177ºC (350°F) fusible links (UL only)
• 69°C (155°F) fusible links (BS476)
• Factory mounted sleeves
• Retaining angles
• Sleeve with integral flange on both sides

Model DFD-M210

FIRE DAMPER

* W & H dimensions furnished approximately 6mm (

1

/

4 

in.)  undersize.

  (Add sleeve thickness for overall sleeved damper dimension)

LH

RH

“UL CLASSIFIED (see complete marking on 

product)”

“UL CLASSIFIED to Canadian safety standards 

(see complete marking on product)”

 

Standard 555 (Listing #R13317)

Model DFD-M210 is intended for installation in 

accordance with fire damper requirements 

established by:

National Fire Protection Association 
NFPA Standards 80, 90A & 101

ICBO  Uniform Building Codes
IBC  International Building Codes  
SBCCI  Standard Building Codes

British Standard BS476 
Tested to 4 hours at Warrington Fire, UK

R

Greenheck Kunshan Co. Ltd. and Greenheck Fan 
Corporation certifies that the model DFD-M210 
shown herein is licensed to bear the AMCA 
Seal. The ratings shown are based on tests and 
procedures performed in accordance with AMCA 
Publication 511 and comply with the requirements 
of the AMCA Certified Ratings Programs. The 
AMCA Certified Ratings Seal applies to air 
performance ratings only.