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Ceiling Diffuser's Accessories
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© Copyright Price Industries Limited 2011. All Metric dimensions ( ) are soft conversion. Imperial dimensions are converted to metric and rounded to the nearest millimeter. C-181
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Ceiling DiffusersAccessories
Quick Selection Guide
Accessory Application Accessory Type Recommended Model
Surface Mounted Lay-in Adaptor Frame Steel Construction SPF Aluminum Construction APF
Round Neck Opposed Blade Damper 6 in. - 36 in. VCR7 (w/ Duct Ring) 4 in. - 24 VCR8, VCR8EEqualizing Grid EGDamper / Grid VCR6Sectorizing Baffles SB
Square / Rectangular Neck Opposed Blade Damper VCS3Equalizing Grid EGDamper / Grid VCS6
Duct Mounted Opposed Blade DamperRound 6 in. - 36 in. dia. VCR7 Square / Rectangular VCS3BAir Volume Extractor AE1, AE2
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C-182 All Metric dimensions ( ) are soft conversion. © Copyright Price Industries Limited 2011. Imperial dimensions are converted to metric and rounded to the nearest millimeter.
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Surface Mounting Accessories
Ceiling DiffusersAccessories
For surface mounting square ceiling diffusers in drywall ceiling. This allows retrofit of Lay-in diffusers or installation of flexible duct in surface mount applications. Constructed of extruded aluminum for crisp, clean lines. Assures a neat job and close fit. Finish: B12 white.
Specify model PR ring for round diffusers with standard outer cone. Mounts in ceiling prior to plastering. Assures a neat job and close fit. Finish: Black.
Price offers a variety of plaster rings to suit most applications. Duct rings are used for exposed duct mounting of round neck diffusers and other similar applications. Plaster rings are generally installed before the application of the plaster to assist in framing the ceiling opening. Finish: Black.
PR - Plaster Ring for Round Diffusers
CCSQ - Mounting Panel for Square Ceiling Diffusers
For surface mounting square ceiling diffusers in drywall ceiling. This allows retrofit of Lay-in diffusers or installation of flexible duct in surface mount applications. Constructed of heavy gauge steel. Assures a neat job and close fit. Finish: B12 white.
SPF - Steel Surface Mount Adaptor Frame
DRF / DPR - Duct Ring Flange / Duct Plaster Ring for Round Neck Diffusers
SB - Sectorizing Baffle
The sectorizing baffle is a field installed accessory used to blank-off a portion of the inlet to create a special irregular air pattern. Baffles are available in multiples of 45° for Models SPD, SCD, RCD, RCDE and RCDA diffusers.
Dimensional Data - Imperial (in.) / Metric [mm]
Module Size A B12 x 12 25 3/16" [640] 13 5/16" [338]
24 x 24 37 3/16" [945] 25 5/16" [643]
Special anti-smudge frame for square diffusers, the Price CCSQ neatly drops the diffusers 11/16 in. [27] below the ceiling to enhance the ceiling effect and reduce smudging. Finish: as specified.
Increases corner size to 15/16 in. flat ceiling T equivalent. Use when frame style 916, 916P is not available. Four clips required per diffuser. Supplied in boxes of 100.
916 Clip For flat 9/16 in. ceiling T grid
AMF - Aluminum Surface Mount Adaptor Frame
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© Copyright Price Industries Limited 2011. All Metric dimensions ( ) are soft conversion. Imperial dimensions are converted to metric and rounded to the nearest millimeter. C-183
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Square / Rectangular Neck Accessories
Ceiling DiffusersAccessories
Combination damper and equalizing grid is easily installed in the square or rectangular duct take-off. Fully adjustable damper blade opens directly into air stream for precision air control. Louver blades are individually adjustable and spring-tensioned to maintain setting. Finish: Black.
Equalizes air flow into square or rectangular necks with minimum noise and turbulence. Louver blades are individually adjustable and spring-tensioned to maintain setting. Finish: Black.
Opposed blade damper specifically designed for use with square and rectangular neck diffusers. Blades move simultaneously in opposite directions to permit precise metering of the air while creating a minimal disturbance to the air pattern.
Attaches quickly and easily to the diffuser neck with sheet metal screws.
Regulated by removing diffuser inner core and adjusting the slot operator with a screwdriver.
Heavy Duty Balancing Damper specifically designed for use with high capacity industrial type grilles and diffusers from HCD, 150 and 300 series. Blades move simultaneously in opposite directions to allow for precise metering of the air while creating a minimal disturbance to the air flow. The damper comes with a positive screw type locking mechanism that immobilizes the blades once the desired damper set-point is achieved.
EG S / L Equalizing Grid
VCS6 S/ L - Combination Damper & Grid
Model VCS6/S Blades parallel to short dimension. Model VCS6/L Blades parallel to long dimension.
Model EG/S Blades parallel to short dimension. Model EG/L Blades parallel to long dimension.
VCS3 / VCS3AL - Opposed Blade Damper
VCS5/C - Heavy Duty Damper c/w Screw Driver Operator
Attaches quickly and easily to diffuser neck with sheet metal screws.
Damper is face adjustable when used with HCD, 150 and 300 series of products.
Additional Information IndexFor more information on VCS5/C - Heavy Duty Damper c/w Screw Driver Operator, please see Section D of this catalog.
Model Construction Finish
VCS3 Zinc Coated Cold rolled steel
Mill
VCS3AL Aluminum blades and frame
Mill
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C-184 All Metric dimensions ( ) are soft conversion. © Copyright Price Industries Limited 2011. Imperial dimensions are converted to metric and rounded to the nearest millimeter.
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Square / Rectangular Neck Accessories
Ceiling Diffusers Accessories
SR – Adapts square neck diffusers to a round neck, permitting attachment of round flexible or rigid duct. Damper selection is then restricted to dampers for round neck, such as VCR7, VCR8, VCR6. Adaptors fit over the diffuser neck for fast assembly. SR shipped attached.
SR3 – Adapts square neck diffusers to a round neck with Type 3 opposed blade damper, permitting attachment of round flexible or rigid duct. SR and damper shipped unattached.
SR3AL – Adapts square neck diffusers to a round neck with aluminum opposed blade damper, permitting attachment of round flexible or rigid duct. SR and damper shipped unattached.
SR8E – Adapts square neck diffusers to a round neck VCR8E damper, permitting attachment of round flexible or rigid duct. SR and damper shipped unattached.
SR Round Neck Adaptor
SR SR3SR3AL
SR8E
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© Copyright Price Industries Limited 2011. All Metric dimensions ( ) are soft conversion. Imperial dimensions are converted to metric and rounded to the nearest millimeter. C-185
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Round Neck Accessories
Ceiling DiffusersAccessories
VCR 7 Radial Opposed Blade Damper c/w Duct Ring
VCR 8E Butterfly-type volume control damper. Damper mounts directly to any round diffuser neck inlet that is sized nom.-1/8 in.
Combination damper and equalizing grid is easily installed in the round duct take-off. Fully adjustable damper blade opens directly into air stream for precision air control. Louver blades are individually adjustable and spring-tensioned to maintain setting. Easily operated from the face of the diffuser with slotted operator. Constructed of heavy cold rolled steel frame and extruded aluminum blades. Finish: Black.
VCR 7 radial opposed blade damper supplied with duct ring. Can be mounted directly into most diffuser necks before installation. Easily adjusted with slotted operator.
VCR 7 is not recommended for use with flexible duct application.
Used to equalize air flow into the round neck of a diffuser or duct take-off. Extruded aluminum louver blades are individually adjustable for precision air control and spring-tensioned to maintain setting. Finish: Black.
Dimensions = inch/mm NOMINAL SIZES 4" 5" 6" 7" 8" 10 12" 14" 15" A 37/8 47/8 57/8 67/8 77/8 97/8 117/8 137/8 147/8
[98] [124] [150] [175] [200] [250] [302] [352] [378] B 13/4 21/4 23/4 31/4 33/4 43/4 53/4 63/4 71/4
[44] [57] [70] [82] [95] [120] [146] [171] [184]
Dimensional Data — Imperial (in.) / Metric [mm]Listed Size 4 5 6 7 8 10 12 14 15 16 18 20 24 30 36 [102] [127] [152] [178] [203] [254] [305] [356] [381] [406] [457] [506] [610] [762] [914]
A 21/4 213/16 33/8 315/16 4 7/16 59/16 71/8 85/8 9 97/8 11 121/4 1413/16 171/2 213/4
[57] [71] [86] [100] [113] [141] [181] [219] [229] [251] [279] [311] [376] [445] [553]
Dimensional Data — Imperial (in.) / Metric [mm]D=Listed Size 4 [102] 5 [127] 6 [152] 7 [178] 8 [203] 10 [254] 12 [305] 14 [356] 15 [381] 16 [406] 18 [457] 20 [506] 24 [610] 30 [762] 36 [914]
Dimensional Data — Imperial (in.) / Metric [mm]Nom. Size A B C 6 57/8 in. [149] 23/16 in. [56] -- 8 77/8 in. [200] 27/8 in. [73] -- 10 97/8 in. [251] 39/16 in. [90] -- 12 117/8 in. [302] 45/16 in. [110] -- 14 137/8 in. [352] 47/8 in. [124] 21/8 in. [54] 15 147/8 in. [378] 51/8 in. [130] 21/8 in. [54] 16 157/8 in. [403] 55/8 in. [143] 21/8 in. [54] 18 177/8 in. [454] 61/4 in. [159] 21/8 in. [54] 20 197/8 in. [505] 7 in. [178] 21/8 in. [54] 24 237/8 in. [606] 63/4 in. [172] 213/16 in. [72] 30 297/8 in. [759] 81/4 in. [210] 213/16 in. [72] 36 357/8 in. [911] 93/4 in. [248] 213/16 in. [72]
Damper Blades In Fully Open Position
Damper Blades In Fully Closed Position
Damper Blades In Fully Closed PositionDamper Sleeve For Mounting Into Rigid Duct
Top View Of Damper
Side View Of Damper
VCR 6 Combination Damper and Grid
VCR 8 Volume Control Damper Damper mounts directly into rigid duct.
VCR 9 Radial Damper
Dimensional Data —Imperial (in.) / Metric [mm]
Duct Size A 6 51/2 in. [140] 8 71/2 in. [191] 10 91/2 in. [241] 12 111/2 in. [292] 14 131/2 in. [343]
A - + 1/16"
EG Equalizing Grid
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C-186 All Metric dimensions ( ) are soft conversion. © Copyright Price Industries Limited 2011. Imperial dimensions are converted to metric and rounded to the nearest millimeter.
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Duct Mounted Accessories
Ceiling DiffusersAccessories
VCS3B, VCS3BEO, VCS3BAL, VCS3BALEO, VCS3BSS, VCS3BSSEO Opposed Blade Damper,
and with External Operator
Safety ChainsFor any large diffuser with removable cores situated in areas where the outlet may be subject to impact.
Wire GuardsFor Round Cone Diffusers. Recommended for gymnasiums and areas where diffusers are subject to abusive conditions.
Sectorizing BafflesAllows modification of the air patterns of radial discharge round neck diffusers. Sectorizing baffles blank off the appropriate portion of the round inlet areas to direct air pattern away from obstructions, etc.
Contact your local Price sales rep for additional details and information.
Fully adjustable gang-operated blades move from fully open to fully closed positions to control air direction and volume to ceiling diffuser.
• Ruggedcoldrolledsteelconstruction.• Bladesspaced1in.[25]or2in.[51]oncenter.• Finishedinmatteblack.• Factoryassembled.
Available OperatorsNo. 1 Operator - Manual Adjusting Lever.
No. 3 Operator - Hex Key Operated mechanism.
No. 4 Operator - Manually Externally controlled Operating Rod.
Recommended for all oversize volume extractors. Supplied complete with set screw lock.
For complete information on Air Volume Extractors, please refer to Duct Mounted Accessories for Grilles and Registers in Section D.
When dampers are installed some distance above the diffuser, an Operating Rod extension allows damper adjustment from the diffuser face.
Specify dimension A as detailed.
Identical in design and construction to the VCS3, this opposed blade damper comes with an integral frame for duct mounting.
VCS3BEO option features a hex operator that projects through the mounting frame. For installation in a duct where damper is inaccessible from the face of the diffuser.
AE11 in. [25] Blade Space
AE22 in. [51] Blade Space
Air Volume Extractor
Miscellaneous Accessories
Model Construction FinishVCS3B Zinc Coated Cold MillVCS3BEO Rolled SteelVCS3BAL Aluminum Blade MillVCS3BALEO and Frame Alum.VCS3BSS Stainless #4VCS3BEO Steel Finish
Maximum Size Restrictions
Operator Movement Bar Length Blade Length Area
1 36 in. [914] 36 in. [914] 4ft2 / 0.37m2
3 30 in. [762] 16 in. [406] 2ft2 / 0.19m2
4 60 in. [914] 36 in. [914] 6ft2 / 0.57m2
OR Operating Rod Extension