Greenheck Fan Stainless Steel 3V Blades SEFSD-211 دليل المستخدم

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Model SEFSD-211
Application
Combination FIRE SMOKE DAMPERS
Model SEFSD-211 is a severe environment 316SS combination
316 Stainless Steel 3V Blades
fire smoke damper with 3V style blades. The SEFSD-211 has
UL 555S Leakage Class I
been qualified to 2000 fpm (10.2 m/s) and 4 in. wg (1.0 kPa) for
1
UL555 1 ⁄2 Hour Fire Resistance Rating
operation and dynamic closure in emergency fire smoke situations.
Model SEFSD-211 may be installed vertically (with blades running
horizontal) or horizontally

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Pressure Drop Data SEFSD-211 This pressure drop testing was conducted in accordance with AMCA Standard 500-D using the three configurations shown. All 3 3 data has been corrected to represent standard air at a density of .075 lb/ft (1.201 kg/m ). Actual pressure drop found in any HVAC system is a combination of many factors. This pressure drop information along with an analysis of other system influences should be used to estimate actual pressure losses for a damper installed in a given HVAC

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5D 6D Figure 5.3 AMCA 5.2 Pressure Drop SEFSD-211 5D 4 (W) (H) = D 3.14 Figure 5.2 Figure 5. 5 12 in. x 12 in. (305mm x 305mm) 24 in. x 24 in. (610mm x 610mm) 36 in. x 36 in. (914mm x 914mm) 12 in. x 48 in. (305mm x 1219mm) 48 in. x 12 in. (1219mm x 305mm) Pressure Drop Pressure Drop Pressure Drop Pressure Drop Pressure Drop Velocity (fpm) Velocity (fpm) Velocity (fpm) Velocity (fpm) Velocity (fpm) (in. wg) (in. wg) (in. wg) (in. wg) (in. wg) 500 0.04 500 0.02 500 0.01 500 0.01 500 0

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AMCA 5.3 Pressure Drop SEFSD-211 5D 6D Figure 5.3 5D 4 (W) (H) = D 3.14 Figure 5.2 Figure 5. 5 12 in. x 12 in. (305mm x 305mm) 24 in. x 24 in. (610mm x 610mm) 36 in. x 36 in. (914mm x 914mm) 12 in. x 48 in. (305mm x 1219mm) 48 in. x 12 in. (1219mm x 305mm) Pressure Drop Pressure Drop Pressure Drop Pressure Drop Pressure Drop Velocity (fpm) Velocity (fpm) Velocity (fpm) Velocity (fpm) (in. wg) (in. wg) (in. wg) (in. wg) Velocity (fpm) (in. wg) 500 0.02 500 0.01 500 0.01 500 0.01 500

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5D 6D 5D 4 (W) (H) D 3.14 AMCA 5.5 Pressure Drop SEFSD-211 12 in. x 12 in. (305mm x 305mm) 24 in. x 24 in. (610mm x 610mm) 36 in. x 36 in. (914mm x 914mm) 12 in. x 48 in. (305mm x 1219mm) 48 in. x 12 in. (1219mm x 305mm) Pressure Drop Pressure Drop Pressure Drop Pressure Drop Pressure Drop Velocity (fpm) Velocity (fpm) Velocity (fpm) Velocity (fpm) Velocity (fpm) (in. wg) (in. wg) (in. wg) (in. wg) (in. wg) 500 0.04 500 0.06 500 0.03 500 0.03 500 0.03 1000 0.17 1000 0.22 1000 0.14

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Application Data Damper Sleeve Dimensional Data The drawings below and corresponding table show the position of the SEFSD-211 damper when mounted in a factory sleeve. The standard mounting locations provide enough space for the mounting of actuators, controls and allow space for installa- 1 1 / 2 in. tion of retaining angles and duct connections. max. The standard location of a damper mounted in a factory sleeve ("A" dimension) is shown below. The damper can be posi- tioned at other locat

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Damper Sizing Information Dampers larger than maximum single section size are supplied as a factory assembly of two or more sections of equal size. The following figures show maximum damper section size and assembly configurations for multi-section dampers. Multi Section Single Section 30” 30” 24” 48” 24” When a fire/smoke damper is being used in conjunction with round or oval ductwork, the Transitioned Damper SEFSD-211 can be supplied in a factory sleeve with round or oval transitions on b