New Products - Dampers

Model Series: 1220M
Nailor's new modulating combination fire/smoke damper saves money. They are actually a dual purpose damper. A fully qualified fire/smoke damper but also a UL approved volume control damper which has passed the vigorous 100,000 cycle test for reliability of operation, as opposed to 1 20,000 cycle test for standard two position actuators. - UL555 and UL555S Classified - Class I Leakage Rating - City of New York and CSFM approval - AMCA Certified for air performance - Unique, inter-locking double skin blade design provides flame and smoke seal under fire conditions.

Model Series: 1210M
• 1 ½ or 3 hr label
• Cost effective Honeywell MS7510A direct drive actuator
• 24 volt spring return 0 – 10 Vdc control signal ( 4 – 20 Ma with resistor)
• Provides additional volume control capability
• 100,000 cycle tested (UL555S)
• Single Section: 36" x 36" Multiple Section Assembly: 72" x 72"

Model Series: 1220VB
Combination Fire/Smoke Dampers is ideal for applications where space constrictions do not permit room for or access to side mounted controls. The vertical blade Series configuration allows for the actuator to be mounted below the damper on the bottom of the sleeve. - UL555 and UL555S Classified - Class I Leakage Rating - City of New York and CSFM approval - AMCA Certified for air performance - Unique, inter-locking double skin blade design provides flame and smoke seal under fire and smoke conditions at temperature up to 2000°F.

Model Series: 1210VB
• 1 ½ hr label
• Selection of electric and pneumatic actuators
• Allows actuator to be mounted below the damper
• Ideal for applications where bottom access is desired or where there isn’t space for a side mount actuator
• Single Section: 48" x 36"

Model: NFB-D with Optional Inlet Balancing Damper
• Constant Volume, Ducted Connection ID Inlet damper option
• Box size: 10"x10" x 9 1/2" (WxLxH)

Model DTS
• Momentary Push Button Test Switch
• Mounted on the damper and factory wired
• Mounted in common enclosure with ERL
• NFPA90A recommends inspection every two years and testing every four years
• NFPA 92A mandates dedicated systems are tested every six months and non-dedicated systems at least once a year
• AMCA recommends cycle testing all motorized Fire and Smoke Dampers every six months and inspection every two years

Model: DCP1
• Toggle Switch with lights , 3 position switch

Model: DCP2
• Key Switch with lights, 3 position

Model: DCP3
• Lights only

Model: DCP4
• Momentary push button with lights