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Round

Models 1290FS, and 1290FS-SS

Nailor’s True Round Combination Fire/Smoke Damper, Model 1290FS, is ideal for round duct applications where building codes require both a fire damper for the protection of ductwork penetrations in

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walls or floor that have a fire resistance rating of up to 2 hours and a leakage rated damper for operational smoke control on static or dynamic smoke management systems. Model 1290FS is an economical round combination fire/smoke damper designed and qualified for round ductwork passing through metal drywall partitions or masonry walls. Features of the damper include a sturdy beaded casing for superior rigidity and factory supplied retaining plates for fast, secure installation. The 1290FS offers the lowest leakage class available, Leakage Class I or II at 250°F (121°C) or 350°F (177°C), and is approved for vertical or horizontal installation.

Models

1290FS - Round • 1 ½ Hour

1290FS-SS - Round • 1 ½ Hour • Stainess Steel

Submittals

All Submittals Combined

Individual Submittals

1290FS • Fire/Smoke Dampers • True Round

1290FS-SS • Fire/Smoke Dampers • True Round • Stainless Steel

Options & Accessories

MLS-300 • Position Indicator • Fire/Smoke and Smoke Damper • Belimo, Honeywell Actuators

Control Accessories

Belimo ∙ FSLF120 ∙ Actuator ∙ 120 Vac ∙ Two Position ∙ Spring Return ∙ 30” lbs

Belimo ∙ FSLF230 ∙ Actuator ∙ 230 Vac ∙ Two Position ∙ Spring Return ∙ 30” lbs

Belimo ∙ FSLF24 ∙ Actuator ∙ 24 Vac ∙ Two Position ∙ Spring Return ∙ 30” lbs

Belimo ∙ FSNF120 ∙ Actuator ∙ 120 Vac ∙ Two Position ∙ Spring Return ∙ 70” lbs

Belimo ∙ FSNF230 ∙ Actuator ∙ 230 Vac ∙ Two Position ∙ Spring Return ∙ 70” lbs

Belimo ∙ FSNF24 ∙ Actuator ∙ 24 Vac ∙ Two Position ∙ Spring Return ∙ 70” lbs

DTO (ML4) • Dual Temperature Override Sensor • Re-openable Sensor with Indicator

DTS • Damper Test Switch • for Smoke & Fire/Smoke Dampers

ERL • Electric Resettable Link • For Combination Fire/Smoke Dampers

Honeywell • MS4104 [HL1], MS4109 [HM1], MS4604[HL3], MS4609 [HM3], MS8104 [HL2], MS8109 [HM2] 2-Position SPR Fire/Smoke Actuators, 30 & 80 in-lbs

Honeywell • MS4120F [412/HH1], MS4620F [462/HH3], MS8120F [812/HH2] 2-Position SPR Fire/Smoke Actuators, 175 in-lbs

MLS-300 • Position Indicator • Fire/Smoke and Smoke Damper • Pneumatic Actuators

PRL • Pneumatic Replaceable Link • For Fire/Smoke Dampers

IOM

1210, 1220, 1260, 1270, 1280, 1290 Series • Operation & Maintenance Procedures

1290FS, 1290FS-SS • Fire/Smoke Dampers • True Round • Installation Instructions

DTO Reopenable Control System w/High Limit for Comb. Fire/Smoke Dampers

ERL • Electric Resettable Link • Installation Instructions

MLS-300 • For use w/ GGD221/121 (electric) & 331-2961/3060 (pneumatic) actuators • Installation Instructions

MLS-300 • For use w/ ML4X02/8X02, ML4115/8115, MS4X09/8X09 Electric Actuators • Installation Instructions

PRL • Pneumatic Replaceable Link • Fire/Smoke Dampers • Installation & Operation Instructions

Siemens • #3 331-4826 [482(PR)] Pneumatic Fire/Smoke Actuator, 25 psi

Siemens • #4 331-2961 [296(PR)] Pneumatic Fire/Smoke Actuator, 25 psi

Performance Data

1290FS, 1290FS-SS • Fire/Smoke Dampers • True Round • Pressure Drop & Leakage Class

Catalog

Catalog Pages

Literature

Combination Fire/Smoke Dampers