MSFD-GSB-30C1-A-R

UL- 555/555S Test Ratings

Fire Rating : 3 hrs

Leakage Rating : Class – I

Max Velocity : 2000 fpm

Temperature : 250 °F (121 °C)

Max Operating Pressure: 4 in. w.g (1000 pa)

Standard Construction

Frame

16 gauge (1.4 mm – 1.7 mm) thick galvanized steel.

Blades

Parallel operated 3 ‘V’ type blade made of 16 gauge (1.4 mm – 1.7 mm) thick stainless steel.

Blade Seals

Silicon rubber blade seals.

Jamb Seals

Stainless steel.

Jack Shaft

½” x ½” (12 mm) Galvanized steel square shaft.

Thermal Response Device (TRD)

165°F (74°C).

Actuator

Honeywell (24V AC, 120V AC, 230V AC).

Sleeve

Minimum 0.9 mm, single section is field or factory installed.
Multiple section is factory installed.
Sleeve thickness as per NFPA table 3-4.6.3.

Optional Fittings

Retaining Angles

1½” x 1½” x 16 gauge (40 x 40 x 1.5 mm).

Limit Switches

For BMS open / close indication.

Indicator

Externally mounted open, close visible Indicator.

Push Button

For manual reset of damper.

Transitions (R)

Neck adapter for round duct connections.

Junction Box

Model : MSFD-GSB-30C1-A/R UL 555/555S Damper meets the required standards of SMACNA, NFPA, IBC, BOCA, ICBO, UL.

Actuator location standard: Left side from rear view
(Jack shaft view)

Note :
FC : Fail Close in the event of Fire
FO : Fail Open in the event of Fire

WHILE ORDERING INDICATE THE DAMPER IS FC/FO (FAIL CLOSE / FAIL OPEN)

Optional Construction (UL Certification N/A)

Frame : Stainless Steel 16 gauge (304/316L)

Blade : Stainless Steel 16 gauge (304/316L)