Commercial Aluminum Glass Door 521s
The EverServe™ Springless AFV Model 521S features an innovative springless design to eliminate the need for a counterbalance and helps limit downtime. Available for high cycle and wind load applications in sizes up to 20’ 2” wide. EverServe® Aluminum Glass Door model 521S is a sectional aluminum door appropriate for environments where maximum light infiltration and/or visual access is required.
Maximum Light Infiltration • Springless Design
Designed to fit openings up to 20’2″ (6147 mm) wide and 18’1″ (5512 mm) high, the Model 521 features a wide, 2-11/16″ (68 mm) center stile, 3-3/4″ (95 mm) or 4-1/2″ (114 mm) bottom rail, based on door size.
Commercial Aluminum Glass Door 521s
Design Options & Features
Designed to fit openings up to 26’2” wide and 20’1” high, the 521 Model features a wide, 2 11/16” center stile, a 2 3/8” or 3 3/4” top rail, and 3 3/4” or 4 1/2” bottom rail. A variety of glazing choices, finishes, and unique options are available.
General Features and Benefits – Models 521s:
Innovative springless design within the sectional platform
Springless operation eliminates the need for a counterbalance
Performance and functionality with minimum maintenance requirements and limited downtime
30x standard sectional door with 300,000 cycle life
Universal components for ease of maintenance
Floor-level controller for simple access
Direct drive integrated gear/motor/brake assembly; built-in braking mechanism provides additional peace of mind against uncontrolled curtain travel.
Available for wind load applications using existing Model 521
FBC or TDI approvals. Approvals are limited to a max height of 18’1” and max width of 20’2”
Rollers
Nylon (standard), steel (wind load)
Warranty
24 Month, 300k Limited
Features & Door Options:
Standard max width:
20’2″ (6147 mm)
Standard max-height
18’1″ (5512 mm)
Section thickness
1 3/4″ (45 mm)
Material
6061-T6 aluminum
Standard finish
204R-1 clear anodized(painted white at no charge)
Center stile width
2 11/16″ (68 mm)
End stile width
3 5/16″ (84 mm)
Top rail width
2 3/8″ (60 mm) or 3 3/4″ (95 mm)
Top intermediate rail width
2 1/8″ (54 mm)
Bottom intermediate rail width
1 19/32″ (40 mm)
Bottom rail width
3 3/4″ (95 mm) or 4 1/2″ (114 mm)
WeatherSeals
Bottom, flexible PVC
Track
3″ (76.2 mm)
Control Panel
Electronic controller with micro-processor self-diagnostics. Digital readout, time delay self-close timer, and the non-resettable cycle counter. The enclosure is IP54 rated (NEMA 3 equivalent)
Mounting
Side mount left or right, vertical only
Operation
Direct drive integrated gear/motor/brake assembly; Drive assembly and limit sensors are factory pre-assembled; Manual hand chain for power outage; Horsepower appropriate to door size/weight; 230V AC 3-phase motor (operating range 208-245V)
Hinges and fixtures
Galvanized steel
Rollers
Nylon (Standard)
Steel (Windload)
Actuator
Single open/close/stop push button station incorporated into the control panel
Accessories
Cable tension switches LH/RH
Hand chain switch on the motor
Encoder plug-and-play
8-port junction box
Lock:
Galvanized, interior-mounted single unit
Wind load options available
Lock: Interior galvanized single unit with interlock
Finish options:
- Bronze anodization
- Anodized or Painted
- PowderGuard® Premium powder coat and PowderGuard® Max hardened powder coat available in approximately 200 colors as well as color-matching to specification
- PowderGuard® Textured Finish: Industrial textured powder coat provides a thicker, more scratch-resistant coat for added product protection on guides, bottom bar, and head plate
- the end
Operation options:
- 208 volts, single phase, 60 Hz (190-207V range)
- 208 volts, three-phase, 60 Hz (190-207V range)
- 230 volts, single phase, 60 Hz (208-245V range)
- 230 volts, three-phase, 60 Hz (208-245V range)
- 460 volts, three-phase, 60 Hz (456-495V range)
- 575 volts, three-phase, 60 Hz (517-632V range)
Accessory Options
- Receivers/transmitters/Radio control
- Loop detectors/motion detectors
- Additional push button station/Treadle switch/Horn/Strobe
- Key switch/Traffic light/Warning light/LED system break
- Cover/Gearbox heater/Transformer 9KVA
- Coil-cord kit/Hand chain extension/Hoist switch extension
- Photo-eye
Window Glazing Options:
- 1⁄8″ (3 mm) DSB
- 1⁄8″ (3 mm) or 1⁄4″ (6 mm) acrylic
- 1⁄8″ (3 mm) or 1⁄4″ (6 mm) tempered
- 1⁄8″ (3 mm) or 1⁄4″ (6 mm) clear polycarbonate
- 1/4″ (6 mm) and 3/8″ (10 mm) twin-wall polycarbonate. 5/8″ triple-wall polycarbonate
- 1⁄4″ (6 mm) 3/8″ (10mm), and 5/8″ (16mm) twin-wall polycarbonate, triple-wall polycarbonate 1/4″ (6mm) wire glass
- 1⁄2″ (12 mm) insulated glass
Color Options:
Anodized Finishes
A clear anodized finish comes standard. Black, Light, Medium, and Dark Bronze anodized finishes are also available.
Clear (standard)
Light Bronze
Medium Bronze
Dark Bronze
Select from approximately 200 powder coat color options to best match your home. Actual door color may vary slightly from the digital representation above. Color samples are available by request
Glass Options:
Various glass options are available, including clear, obscure, and satin.
Satin
Obscure
Bronze Tint
Gray Tint
Green Tint
Double Strength
DBS* (Standard)
impact Frosted
Polycarbonate
Specialty Glass:
- Laminated White – privacy
- Low E Glass* – thermal efficiency
- Tempered Glass – enhanced safety
- Tinted Glass* – color options: Green, Grey, Bronze
Glass Alternatives:
- Cl ear Lexan® Polycarbonate* – shatter-resistant
- Multi-Wall Polycarbonate – superior strength with UV protection; color options: Clear, White, Bronze
- Plexiglas® Acrylic* – shatter resistant
- Impact Clear and Frosted Polycarbonate – 0.250″ minimum
Brochure, Owner’s Manual & Specs:
Commercial Aluminum Doors Brochure
Aluminum Glass Door 9920 (521) 521s Exterior Elevation – Face View
Sectional Doors Framing & Pads Elevation View – Concrete/Masonry
Aluminum Glass Door 9920 (521) 521s Interior Elevation – Face View
Aluminum Glass Door 9920 (521) 521s Panel Detail – Face View
Sectional Doors 3″ Track Sideroom Clearance – Concrete/Masonry
Aluminum Glass Door 920 (521) 521s Panel Detail – Side View
Aluminum Glass Door 9920 (521) 521s Side View
Sectional Doors 3″ Track Sideroom Clearance – Steel Jambs
Sectional Doors Full Vertical Track Detail
Sectional Doors Lift Clearance Track Details – Back Room
Sectional Doors Lift Clearance Track Details – Follow the Roof
Sectional Doors Standard Lift Track Details – Follow the Roof
Whether you want to enhance your home’s curb appeal, add resale value, or improve garage door safety and security, Overhead Door carries residential garage door products to suit your needs. If any Questions, Request an Estimate, or Need Maintenance or Repair Service: