General Product Overview - Grilles and Registers

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Grilles and Registers

Quality Assured Products, unobtrusive clean lines for appearance, careful engineering and professional workmanship with the backing of an industry leader – these add up to true value; prime reasons for specifying Nailor Grilles and Registers. Architectural excellence and engineering selections demand high quality products and shipping schedules demand service; all part of the package.
• Comprehensive range of models and styles to choose from.
• Versatile selection and sizing ensures the correct product for any specific application.
• Material choice of premium quality extruded aluminum, cost-effective steel or stainless steel. Unique in our manufacturing process is the exclusive use of corrosion-resistant coated steel as used in the auto industry. The material has superb forming qualities and outlasts painted cold-rolled steel and galvanized steel by up to three times.
• Various border/frame types, combinations and mounting options.
• Balancing accessories.
• Superior finishes.
• Performance data in accordance with current international test standards and the back-up of one of the finest 'in-house' testing laboratories in North America.

Louvered Face Grilles and Registers

This series of grilles and registers are available in cost effective, corrosion-resistant steel, premium quality extruded aluminum or stainless steel construction. The blades are formed to a streamlined engineered contoured cross-section. Rigid, reinforced frames feature hairline-mitered corners. Optional opposed blade dampers have a screwdriver slot or lever operator for adjustment through the face of the register. As standard, the grilles and registers have countersunk screw holes in the frame, which make for an architecturally pleasing appearance.


Louvered Face — Supply Air
Double Deflection - A dual set of individually adjustable blades are friction pivoted and can be easily adjusted to provide maximum control of the air pattern for spread and deflection in two planes. Blades are spaced on 3/4" (19) centers.

Models 51DV, 51DH Aluminum, Suffix '-O' adds a steel OBD
Suffix '-OA' adds an aluminum OBD
Models 61DV, 61DH – Steel ; Suffix '-O' adds a steel OBD
Models 67DV, 67DH – Stainless Steel ; Suffix '-O' adds a stainless steel OBD


Louvered Face — Supply Air
Single Deflection - A single set of individually adjustable blades are friction pivoted and can be easily adjusted to provide the desired spread or deflection in a single plane. Blades are space don 3/4" (19) centers.

Models 51SV, 51SH – Aluminum; Suffix '-o' adds a steel OBD; Suffix '-oa' adds an aluminum OBD
Models 61SV, 61SH – Steel; Suffix '-o' adds a steel OBD
Models 67SV, 67SH – Stainless Steel; Suffix '-o' adds a stainless steel OBD


Louvered Face — Return Air
45°Deflection, 3/4" (19) Blade Spacing
The blades are fixed at a 45°angle. This grille is vision proof when installed in a low or high sidewall location with grille blade deflection facing away from the line of sight.In addition, a diverse selection of mounting frames are available to suit many suspended ceiling designs.
Models 5145H, 5145V – Aluminum; Suffix '-o' adds a steel OBD; Suffix '-oa' adds an aluminum OBD
Models 6145H, 6145V – Steel; Suffix '-o' adds a steel OBD
Models 6745H, 6745V – Stainless Steel; Suffix '-o' adds a stainless steel OBD


Louvered Face — Return Air
45°Deflection, 1/2" (13) Blade Spacing
The blades are fixed at a 45°angle. This grille is vision proof when installed in a low or high sidewall location with the grille blade deflection facing away from the line of sight, and when viewed from straight ahead. In addition,a diverse selection of mounting frames are available to suit many suspended ceiling designs.
Models 5155H, 5155V – Aluminum; Suffix '-o' adds a steel OBD; Suffix '-oa' adds an aluminum OBD
Models 6155H, 6155V – Steel; Suffix '-o' adds a steel OBD
Models 6755H, 6755V – Stainless Steel; Suffix '-o' adds a stainless steel OBD


Louvered Face — Return Air
0°Deflection, 3/4" (19) Blade Spacing
The blades are fixed at 0°. Their appearance compliments the supply grilles and registers of the same series. In addition, a diverse selection of mounting frames are available to suit many suspended ceiling designs.
Models 51H, 51FV – Aluminum; Suffix '-o' adds a steel OBD; Suffix '-oa' adds an aluminum OBD
Models 61FH, 61FV – Steel; Suffix '-o' adds a steel OBD
Models 67FH, 67FV – Stainless Steel; Suffix '-o' adds a stainless steel OBD


Curved Spiral Duct Grilles
Nailor’s unique curved spiral duct grille design offers an architecturally superior appearance and saves installation time and money by directly mounting to the duct. This eliminates the need to fabricate stand-off saddles required for installing standard grilles. These grilles are available for both supply and return air applications.
• Models 61DVC, 61DHC – Double Deflection
• Models 61SVC, 61SHC – Single Deflection

• Models 61L50C,61L75C, 61L10C – Linear Slot Face
• Models 6145HC, 6155HC – 45°Fixed Blade

Airfoil Blade Grilles and Registers

Sleek design, premium performance and a true extruded aluminum airfoil blade is what makes this series superior to the industry standard. The models in this series are designed for engineers and architects who require exceptional quality and performance. As standard, the grilles and registers have countersunk screw holes in the extruded aluminum frame, which make for a neat clean appearance. Optional opposed blade dampers have a screwdriver slot operator for adjustment through the face of the register.


Airfoil Blade — Supply Air
Double Deflection - A dual set of individually adjustable airfoil blades are friction pivoted and can be easily adjusted to provide maximum control of the air pattern for spread and deflection in two planes. The airfoil blades are spaced on3/4" (19) centers.

Models 71DV, 71DH Aluminum, Suffix '-O' adds a steel OBD
Suffix '-OA' adds an aluminum OBD


Airfoil Blade — Supply Air
Single Deflection - A single set of individually adjustable airfoil blades are friction pivoted and can be easily adjusted to provide desired spread or deflection in a single plane. The airfoil blades are spaced on 3/4" (19) centers.

Models 71SV, 71SH – Aluminum; Suffix '-o' adds a steel OBD; Suffix '-oa' adds an aluminum OBD



Airfoil Face — Return Air
45° Deflection, 3/4" (19) Blade Spacing
The airfoil blades are fixed at a 45°angle. This grille is vision proof when installed in a low or high sidewall location with grille blade deflection facing away from the line of sight In addition, a diverse selection of mounting frames are available to suit many suspended ceiling designs.
Models 7145H, 7145V; Suffix '-o' adds a steel OBD; Suffix '-oa' adds an aluminum OBD

0° Deflection, 3/4" (19) Blade Spacing
The airfoil blades are set at 0°. Their appearance compliments the supply grilles and registers of the same series. In addition, a diverse selection of mounting frames are available to suit many suspended ceiling designs.
Models 71FH, 71FV; Suffix '-o' adds a steel OBD; Suffix '-oa' adds an aluminum OBD

Curved Blade Directional Grilles and Registers

Nailor’s curved blade directional grilles and registers are designed to meet the demand for top quality and competitive prices. Constructed with extruded aluminum blades, this model series is unobtrusive in appearance for architectural excellence. The grilles and registers may be used in sidewall and ceiling applications. Optional opposed blade dampers have a screwdriver slot operator for adjustment through the face of the register. The 1 1/4" (32) frames have countersunk screw holes for an inconspicuous appearance.


Curved Blade with Deflection Vanes
The models in this series have individually adjustable curved blades that provide a true directional pattern. They also incorporate a set of rear adjustable vanes for complete directional control and flow equalization. They are available with one or two way directional throw.
Model 51CD – Aluminum; Suffix '-O' adds a steel OBD; Suffix '-OA 'adds an aluminum OBD
Model 61CD – Steel; Suffix '-O' adds a steel OBD


Curved Blade with Deflection Vanes
The models in this series have curved blades that provide a true directional pattern. There are twelve available patterns to choose from.
Model 51C – Aluminum
One and Two-Way; Three and Four-Way
Suffix '-O' adds a steel OBD; Suffix '-OA 'adds an aluminum OBD
Model 61C – Steel
One and Two-Way; Three and Four-Way
Suffix '-O' adds a steel OBD

Eggcrate Return and Exhaust Grilles

The eggcrate grilles and registers are constructed of thin,interlocked aluminum or stainless steel strips assembled in a square grid fashion that is available in a variety of grid sizes. The standard grid size is 1/2" x 1/2" x 1/2" with 1/2" x 1/2" x 1" or 1" x 1" x 1" as an option. Frame and border types are available in a variety of materials and mounting options.
Models 51EC – Aluminum; Suffix '-O' adds a steel OBD; Suffix '-OA' adds an aluminum OBD
Models 61EC – Steel; Suffix '-o' adds a steel OBD
Models 67EC – Stainless Steel; Suffix '-o' adds a stainless steel OBD

Filter Return and Exhaust Grilles

Nailor offers a large selection of filter grilles that are designed to match and compliment their respective base models in appearance. The standard filter frame accepts a standard 1" (25) thick, throw away type filter (by others) with an option for a 2" (51) filter frame.
• Louvered Face
Models 51FB45, 51FB55, 51FBS – Aluminum
Models 61FB45, 61FB55, 61FBS – Steel
Models 67FB45, 67FB55 – Stainless Steel
• Eggcrate
Model 51FE – Aluminum
Models 61FE – Steel
• Perforated
Models 51FP – Aluminum
Model 61FP – Steel

Perforated Return Grilles

The perforated face used on these grilles and register shave 3/16" (5) diameter holes on 1/4" (6) staggered centers (51% free area) and is available in a choice of aluminum, steel or stainless steel construction. Their general appearance matches and compliments the popular perforated supply diffusers (refer to the 4300Seriesin the diffuser section of the catalog).
Models 51PR – Aluminum
Suffix '-o' adds a steel OBD; Suffix '-oa' adds an aluminum OBD
Model 61PR – Steel; Suffix '-o' adds a steel OBD
Model 67PR – Stainless Steel; Suffix '-o' adds a stainless steel OBD

Door/Transfer Grilles

Nailor provides an assortment of door grilles that are designed to be completely sight proof and unobtrusive in appearance. They are constructed using extruded aluminum or steel materials. Afire-rated version is also available.
Models 51DGD, 51DGS – Aluminum
Models 61DGD, 61DGS, 61DGC – Steel
Model 61DGD-FR – Fire Rated

Reversible Core

The versatile core in this series allows a combination off our different deflections and is removable without the need of special tools. Optional deflector vanes and an opposed blade damper are available for additional air control.
Models 51RC, 51RCD – Aluminum
Suffix '-o' adds a steel OBD; Suffix '-oa' adds an aluminum OBD

Heavy Duty Extruded Aluminum Bar Grilles and Registers

The grilles in this series are constructed to offer strength and durability for applications requiring strong impact resistance. The extruded aluminum frames are staked and welded, and the extruded aluminum blades are offered with a 0°, 15°, or 30°fixed deflection. Available for both supply and return air applications.


Supply AIr
Fixed Front Bars with Rear Deflection Vanes This supply air grille has adjustable rear vanes for directional control. The fixed extruded aluminum front blades are supported by a deep profile cross bar for strength.

Models 51D30H-HD, 51D30V-HD, 51D15H-HD,51D15V-HD, 51DFH-HD, 51DFV-HD; Suffix '-o' adds a steel OBD; Suffix '-oa' adds an aluminum OBD


Return Air
This return air grille has extruded aluminum fixed blades that are reinforced for strength.
Models 5130H-HD, 5130V-HD, 51FH-HD, 51FV-HD
Suffix '-o' adds a steel OBD; Suffix '-oa' adds an aluminum OBD

Heavy Duty Steel Grilles and Registers, Gymnasium Strength

Nailor’s Heavy Duty Steel Grilles and Registers are manufactured with 16 gauge steel frames and 14 gauge steel blades which gives them strength to stand up to abuse and high impacts that occur in schools, gymnasiums and other comparable applications.


Supply Air
Adjustable Blades
The supply air grilles are offered with both single and double deflection blades. The adjustability of the blade is 0°– 40° deflection and they are spaced on 1/2" (13) centers. The double deflection rear blades are spaced on 3/4" (19) centers.
Double Deflection –
Models 61DV-HD, 61DH-HD

Suffix '-o' adds a steel OBD; Suffix '-OA' adds an aluminum OBD
Single Deflection –
Models 61SV-HD, 61SH-HD
; Suffix '-o' adds a steel OBD


Return Air
Fixed Blade
Heavy gauge frame and blades and all welded construction make this series of grilles and registers extremely durable. These models are perfect for locations that require strong impact resistance. The blades are spaced on 1/2" (13) centers.
Models 6145H-HD, 6145V-HD, 61FH-HD, 61FV-HD
Suffix '-o' adds a steel OBD

Heavy Duty Stainless Steel

This grille is used mainly for return air applications that require strength and durability in corrosive or high humidity environments. The frame is welded and the blades are spaced on 1/2" (13) centers and reinforced with a mullion on 8" (203) centers.
Models 6755H-HD, 6755V-HD
Suffix '-o' adds a stainless steel OBD

Drum Louvers

These extruded aluminum drum louvers are appropriate when high volumes of air are used and in spot heating and cooling applications. A split-vane style and a pole operating bracket are available.
Models 45DL1, 45DL2
Suffix '-o' adds a steel OBD

Industrial Supply

The industrial supply grilles and registers have contoured airfoil blades that are extruded aluminum and are available with either 1 1/2" (38) or 3" (76) blade spacing.The heavy gauge, 1 1/4" (32) frame includes reinforced and staked mitered corners.
• Double Deflection
1 1/2" (38) Blade Spacing –
Models 81DV, 81DHSee page G1583" (76)
Blade Spacing –
Models 813DV, 813DH
; Suffix '-o' adds a steel OBD
• Single Deflection
1 1/2" (38) Blade Spacing – Models 81SV, 81SH
3" (76) Blade Spacing – Models 813SV, 813SH
; Suffix '-o' adds a steel OBD
• Gang Operated – Models 81GDV, 81GDH
;Suffix '-o' adds a stainless steel OBD

Modular Core – Industrial Supply

Nailor has incorporated the features of the 8100 Series (double deflection) industrial supply grilles with an aluminum modular frame, which allows for extra directional flow flexibility. Up to four modules are available in specific sizes from 8" x 8" to 15" x 15" (203 x 203 to 381x 381).
Models 81MG1, 81MG2, 81MG3, 81MG4
Suffix '-o' adds a steel OBD

Lattice Face

Lattice face grilles are available in heavy gauge aluminum, steel and stainless steel construction with a selection of hole patterns to choose from. Counter sunk screw holes and mounting screws are optional.
Models 51LG – Aluminum
Models 61LG – Steel
Models 67LG – Stainless Steel