Lloyds Industries
SD-333-2 Low Leakage Smoke Dampers
The SD-333-2-PB is designed to resist the opening of air and smoke in HVAC systems which shut down in the event of a fire. The movement of smoke through the building is controlled by Smoke damper.MODELS:
SD-333-2-PB Low Leakage
(UL-555S Leakage Class 2 Classified)
SD-333-2-PB Smoke Damper Technical Specifications
SLEEVE OPTIONS
Round transition (Type CR)
Oval transition (Type CO)
Rectangular transition (Type C)
OPERATIONAL RATING
Velocity: up to 2400 fpm
Pressure: up to 4 in. w.g.
INSTALLATIONS: Vertical and Horizontal
OPERATION: Parallel Blade
STANDARD CONSTRUCTION
POWER OPEN/SPRING CLOSURE
FRAME:
16 GAUGE GALVANIZED STEEL INTERLOCKING
STACKED HAT SECTION CHANNEL FRAME
CONSTRUCTION
BLADES:
16 GAUGE GALVANIZED 3″V” FORMED
BEARINGS:
SINTERED BRONZE, OIL IMPREGNATED
AXLES:
1/2 SQUARE ZINC PLATED STEEL STUDS
LINKAGE:
.12 X .50 ZINC PLATED STEEL CONCEALED IN THE
CHANNEL FRAME
FINISH:
MILL GALVANIZED
BLADE SEALS:
60-65 DUROMETER SILICONE RUBBER WITH LAMINATED
ACRYLIC ADHESIVE PERMANENTLY BONDED TO BLADE
EDGES.
JAMB SEALS:
CORROSION RESISTENT STAINLESS STEEL
JACKSHAFT:
1/2″ DIAMETER ZINC PLATED STEEL WITH JACKSHAFT
CONNECTOR COUPLING
CAULKING:
UL APPROVED SILICONE SEALANTS: DOW CORNING RTV-
732, 999A, GE-1200
OPTIONAL MATERIAL:
Stainless steel construction
ACTUATOR:
Specify type: Electric or Pneumatic
Specify brand: SIEMENS, HONEYWELL,BELIMO
Specify mounting: External or internal
Specify voltage: 24V, 120V, 220V
Manufacture Limited Warranty
Products manufactured by Lloyd Industries are warranted to be free from defects in material and workmanship for a period of 12 months after being installed or placed in service, but in no instance shall the period of warranty be longer than 18 months from the date of original shipment by Lloyd Industries.
Lloyd Industries warrants that it will furnish replacement material, or at its option, repair any product of its manufacture that is proven to Lloyd Industries satisfaction to be defective in material or workmanship during this described warranty period… [Click Here to Download Full Warranty]
