Greenheck Fan dimensions Model SSSMD-201 Smoke Dampers, Application, Ratings, Size Limitations

Model SSSMD-201 Smoke Dampers

Stainless Steel 3V Blade

UL 555S Leakage Class I

Application

Model SSSMD-201 is a 304 stainless steel leakage rated smoke damper with 3V style blades. The SSSMD-201 has been qualified to 2000 fpm (10.2 m/s) and 4 in. wg (1 kPa) for operational closure in emergency smoke control situations. Model SSSMD-201 may be installed vertically (with blades running horizontally) or horizontally and is rated for airflow and leakage in either direction.

Ratings

Leakage Class:	l
Pressure:	4 in. wg (1 kPa) - differential
	pressure
Velocity:	Operational rated to 2000 fpm
	(10.2 m/s)
Temperature:	350°F (177ºC) with all actuators.
	Higher temperature ratings with
	some actuators.

Model SSSMD-201 meets the requirements for smoke dampers established by:

National Fire Protection Association

NFPA Standards 92A, 92B, 101 & 105

IBC International Building Codes

New York City (MEA listing #260-91-M)

CSFM California State Fire Marshal

Leakage (Smoke) Damper Listing (#3230-0981:104)

“UL CLASSIFIED (see complete marking on product)”

“UL CLASSIFIED to Canadian safety standards (see complete marking on product)”

Standard 555S (Listing #R13317)

Standard Construction

Frame:	5 in. x 1 in. (127mm x 25mm) 16 ga.
	(1.5mm) 304 stainless steel hat
	channel with reinforced corners. A
	low profile head and sill are used on
	sizes less than 17 in. (432mm) high
	to maximize free area and
	performance.
Blades:	16 ga. (1.5mm) 304 stainless steel,
	reinforced with 3 longitudinal
	structurally designed vee’s.
Seals:	Flexible 304 stainless steel jamb
	seals.
Linkage:	304 stainless steel - concealed in
Axles:	jamb.
	1/2 in. (13mm) dia. 304 stainless
	steel.
Bearings:	304 stainless steel sleeve type.

Greenheck Fan Corporation certifies that the model SSSMD-201 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 Pro- grams. The AMCA Certified Ratings Seal applies to air performance ratings only.

W*

Size Limitations

Minimum Size:	8 in. W x 6 in. H
Maximum Size:	(203mm W x 152mm H)
Single Section -	32 in. W x 50 in. H
	(813mm W x 1270mm H)
	36 in. W x 48 in. H
	(914mm W x 1219mm H)
Multiple Section -	144 in. W x 100 in. H
	(3658mm W x 2438mm H)
	288 in. W x 50 in. H
	(7315 mm W x 1270mm H)

Optional Features

•OCI (Open closed indication switches)

•Electric or pneumatic actuators to accomplish smoke management and system functions.

•Fail open

RH

H*

LH

*W&H dimensions furnished approximately 1/4 in. (6mm) undersize. (Add sleeve thickness for overall sleeved damper dimension)

Right hand drive is shown. Left hand drive is available upon request.

Installation instructions available at www.greenheck.com