VOLUME CONTROL DAMPERS
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- Phebe Conley
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1 VOLUME CONTROL DAMPERS
2 CONSTRUCTION FEATURES FRAME Roll formed 16 gauge galvanized steel channel with welded corners. X-Standard, Z-optional AXLES Roll formed 18 gauge galvanized steel. 1/2" Round chrome plated steel at bearing ends. BEARINGS Nylon; Bronze, Oilite(Optional) bearings. REGULATOR Positive locking at any damper position, Full open thru full closed. FINISH Mill galvanized, Painted(optional). CONSTRUCTION FEATURES FRAME Roll formed 16 gauge galvanized steel channel with welded corners. X-Standard, Z-optional Air modulation control in rectangular ducts up to 12 inch height. AXLES Roll formed 16 gauge galvanized steel. 1/2" Round chrome plated steel at bearing ends. Continuous along blade.(optional) BEARINGS Nylon; Self oiling Bronze(Optional) bearings. REGULATOR Positive locking at any damper position, Full open thru full closed. FINISH Mill galvanized, Painted(optional). Air modulation control in rectangular ducts up to 12 inch height. 2
3 FRAME Roll formed 16 gauge galvanized steel channel with welded corners. X-Standard, Z- optional S Roll formed 16 gauge galvanized steel. Min.width-4", Max.width-8" BEARINGS Nylon; Bronze oilite(optional) AXLES 1/2" Round chrome plated steel. LINKAGE Purpose made, swing type bracket and steel rod. FINISH Mill galvanized; Painted(optional). MIN.SIZE 4"x4" (Dampers 8" or less in height furnished as single blade model) MAX.SIZE 48"x72" (single section) Unlimit for multiple sections. Air control application where two position control is desirable. DESIGN FEATURES OPTIONAL/ACCESSORIES FRAME Heavy gauge steel, internal welded corners Heavy gauge construction prevent from deforming in transit or on site. Aluminum or stainless steel construction S Design assure uniform blades interlocking; Aluminum jamb seal for low leakage minimize leakage and blades rattling application. Polyurethane foam blade seals BEARINGS Press fitted to minimize wear Manual damper regulator Factory mounted Electric/Pneumatic LINKAGE Purpose made bracket and rod provide damper operator uniform pressure to blades for tight close Heavy duty jack shaft for multiple and reduce operational torque requirement. damper assembly operation AXLES Blade axles positively locked to blade External blade linkage assembly 3
4 FRAME Roll formed 16 gauge galvanized steel channel with welded comers. X-Standard, Z-optional VOLUME CONTROL DAMPERS OPPOSED - STEEL S Roll formed 16 gauge galvanized steel. Min.width- 4", Max.width-8" BEARINGS Nylon; Bronze oilite(optional) AXLES 1/2" Round chrome plated steel. LINKAGE Purpose made, swing type bracket and steel rod assembly. STOP Roll formed 16 gauge galvanized steel FINISH Mill galvanized; Painted(optional). MIN.SIZE MAX.SIZE 4"x4"(Dampers 8" or less in height furnished as single blade model) 48"x72" (single section) Unlimit for multiple sections. Air control application where modulation control is desirable. DESIGN FEATURES OPTIONAL/ACCESSORIES FRAME Heavy gauge steel, internal welded corners Heavy gauge construction prevent from deforming in transit or on site. Aluminum or stainless steel construction S Design assure uniform blades. Aluminum jamb seal for low leakage application. BEARINGS Press fitted to minimize wear Polyurethane foam blade seals Manual damper regulator LINKAGE Purpose made bracket and link assembly Factory mounted Electric/Pneumatic provide uniform pressure to blades for tight damper operator close and reduce operational torque Heavy duty jack shaft for multiple requirement. damper assembly operation Linkage assembly out of air stream AXLES Blade axles positively locked to blade External blade linkage assembly 4
5 NOTE: Standard factory location of damper operator illustrated. Operator can be mounted at any side or in air stream up on request. SPECIAL MULTI SECTION ASSEMBLY WITH HEAVY DUTY JACK SHAFT - Careful attention shall be given while selecting damper operator torque considering face area and velocity for satisfactory operation. Leakage chart is based on damper with standard construction having aspect ratio of 1:1 and in extreme close position. Greater in damper aspect ratio will reduce leakage shown in this chart. 5
6 NOTE: PRESSURE LOSS-INCHES W.G. Above chart is based on damper in fully open position. Static pressure and Face velocities are corrected to Ib/cu.ft. air density. ACCESSORIES (Electric / Pneumatic Actuator) 6
7 CASING 20 gauge galvanized steel with longitudinal 'ACME' seam lock or butt welded continuously. 20 gauge galvanized steel(std.) Perforated, galvanized blade having 50% free area.(optional) BEARINGS Snap-fit, spring bearing. REGULATOR Stamped, zinc coated steel with damper position indicator and wing nut. MIN.SIZE 4" Dia. MAX.SIZE 9" Dia. FINISH Mill galvanized; Aluminum Painted (optional). DIMENSIONAL DATA NOMINAL SIZE A-DIA B C 4 3-7/ / / / / DESIGN FEATURES Generally employed as a balancing damper in low velocity round air duct system where maximum static pressure not exceeding 2"w.g. Heavy gauge casing construction provide dimensional stability. Heavy gauge blade ; prevent rattling, thus noise free even damper at partially open position. Snap-fit spring bearing; smooth blade movement, yet low gland leak Damper position indicator and positive locking facility at any desired angle from full open thru full closed / All dimensions are in inches 7
8 CASING 16 gauge galvanized steel with longitudinal 'ACME' seam lock or butt welded continuously. 16 gauge galvanized steel. BEARINGS Spring loaded type. REGULATOR Duro-dyne wedge-loc or equivalent type. MIN.SIZE 4" Dia. MAX.SIZE 20" Dia. FINISH OPTION Mill galvanized; Aluminum Painted (optional). Actuator for zone control application. (VAVT system) DIMENSIONAL DATA NOMINAL SIZE A-DIA B C 4 3-7/ / / / / / / / / / / / All dimensions are in inches Generally employed as a balancing damper in medium velocity round air duct system where maximum static pressure not exceeding 3" w.g. DESIGN FEATURES Heavy gauge casing construction provide dimensional stability. Heavy gauge blade ; prevent rattling, thus noise free even damper at partially open position. Spring loaded bearings; smooth blade movement, yet low gland leak. Damper position indicator and positive locking facility at any desired angle from full open thru full closed. 8
9 MODEL GCD-RZ FRAME 12 gauge roll formed steel channel with welded longitudinal seam 4" wide. 18" and below 12 gauge steel. Above 18"-10 gauge steel. BEARINGS Steel sleeve pressed in to frame. Bronze oilite sleeve (optional). AXLE 1/2"x1/2" steel up to 20" 3/4"x3/4" steel for above 20". MIN.SIZE 4" Dia. MAX.SIZE 40" Dia. FINISH Aluminum Painted. "MODEL GCD-OL FRAME 12 gauge roll formed steel channel with welded longitudinal seam 4" wide. A-dimension 6" thru 20" 12 gauge steel. A-dimension above 20". 10 gauge steel. BEARINGS Steel sleeve pressed in to frame. Bronze oilite sleeve (optional). AXLE 1/2"x1/2" steel up to A-dimension 20" 3/4"x3/4 steel for above 20". MIN.SIZE B-dimension 6". MAX.SIZE B-dimension up to 24". A-dimension -36"(without center million) A-dimension 72" (with center million) FINISH Aluminum Painted. Generally employed as a balancing damper in high velocity round/oval air duct system where maximum static pressure not exceeding 6" w.g. ACCESSORIES/OPTIONAL Heavy duty damper regulator Blade stop with foam rubber for low leakage application. Special finishes. Special materials construction. Actuator ON/OFF or spring return type. 9
10 MODEL GCD-RH FRAME 10 gauge or equivalent thickness roll formed steel channel with welded longitudinal seam 6" wide. 8 gauge or equivalent thickness steel plate up to 40". 1/4"thick steel plate above 40" up to 72". BEARINGS Ball bearing bushings fitted to damper frame. AXLE 5/8"x5/8" steel bar up to 40" 3/4"x3/4 steel bar up to 60". 1"x1" steel bar above 60" MIN.SIZE 8" Dia. MAX.SIZE 72" Dia. FINISH Aluminum Painted. MODEL GCD-OH FRAME 10 gauge or equivalent thickness roll formed steel channel with welded longitudinal seam 6" wide. A-dimension up to 40"-10 gauge or equivalent steel plate. A-dimension above 40"-8 gauge or equivalent thick steel plate. BEARINGS Ball bearing bushings fitted to damper frame. AXLE 5/8"x5/8" steel bar up to A-dimension 40" 1"x1" steel bar above A-dimension 40". MIN.SIZE B-dimension 8". MAX.SIZE A-dimension - 40" (without center million). A-dimension -72"(without center million) FINISH Aluminum Painted. Generally employed as a control damper in high velocity air distribution/material handling system where maximum pressure not exceeding 10" w.g. ACCESSORIES/OPTIONAL Heavy duty damper regulator Electric/Pneumatic operator Blade seal for low leakage application. Special finishes. Heavier / Special materials construction. Pre-drilled flange holes. Actuator ON/OFF or spring return type. 10
11 PRESSURE DROP CHART PRESSURE DROP CHART IS BASED ON STANDARD AIR WITH DAMPER IN FULLY OPEN POSITION. LEAKAGE CHART LEAKAGE CHART IS BASED ON DAMPERS WITHOUT SEAL AND IN FULLY CLOSED POSITION. 11
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WD-200 Series. Model WD-220 Flange Opposite Motor. Model WD-210 Flange on Motor Side. Model WD-200 No Flange. Motorized Backdraft Damper.
Application The WD200 series are electrically motorized backdraft dampers that open when energized and spring return close when deenergized. The WD200 series are for horizontal or vertical mounting. Primary
Issue 4 (Record Only) Job #: Innovent Submittal Date: October 30, 2012 Project: Location: Columbus, OH Innovent Job #: Submittal Issue: 4 (Record Only) Engineer: Contractor: Tag Innovent Model # AHU-BG-01
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Application and Design The combines the functionality of an accurate airflow measuring station and a low leakage control damper into one compact assembly that both measures and regulates airflow volumes
Model SSFSD-211. Combination Fire Smoke Damper 304 Stainless Steel 3V Blades UL 555S Leakage Class I UL Hour Fire Resistance Rating
R Model Application Model is a 304SS combination fire smoke damper with 3V style blades. The is qualified to 2,000 fpm (10.2 m/s) and 6 in. wg (1.5 kpa). This damper may be installed vertically (with blades
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A Complete Line of Quality Products for Marine Applications
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FBV-43. Vertical Face & Bypass Control Damper Ultra Low Leakage Aluminum Frame Construction. Application and Design. Size Limitations.
Application and Design The is a vertical style face and bypass low leakage damper. This model is intended for application in medium to high pressure and velocity systems. Smooth profile extruded aluminum
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XeteX, Inc. All Rights Reserved.
Model XC Indoor or outdoor mounted, simple, in-case aluminum flat plate exchanger with options for frost control. Ideal for inline installations: in duct-work systems, in built-up units, or in modular
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makes sure products are delivered Products are offered in steel,
Residential Construction Features Residential Registers, Grilles & Diffusers No one satisfies the demands for For example: an electro-deposition air distribution solutions better than paint creates a flawless