Model 350 – HPD
Secure Visibility with High-Speed, Low-Maintenance Operation
The ADT Model 350-HPD Coiling Grille is engineered for high-traffic commercial and industrial environments that demand both visibility and performance. Featuring a springless direct drive system and floating barrel supports, this grille delivers smooth, quiet operation at speeds up to 48″/sec. Constructed with aluminum or stainless steel rods, spacers, and links, the 350-HPD offers long-term durability and minimal maintenance.
Ideal for parking garages, and public facilities, the 350-HPD combines sleek design, advanced safety features, and energy-efficient operation.
Description
Model 350-HPD – High-Performance Coiling Grille
Applications
- Parking garages
- Public facilities
- High-cycle access points
Operation Options
- Direct drive motor with integrated anti-fall device
- Variable speed control with soft start/stop
- NEMA 4/4X control panel with digital display
- Accepts most access control systems
Technical Specifications
- Curtain:9″ straight pattern with aluminum or stainless steel rods, spacers, and links; 2¼” o.c. horizontal rods with tubular spacers
- Bottom Bar: Heavy-duty 2″ x 3″ extruded aluminum tubular bar with wireless safety edge; interlocks with vertical links
- Drive System: Springless direct drive; eliminates chains and sprockets; rated for 500,000+ cycles
- Speed: Opens up to 48″/sec, closes at 24″/sec
- Brackets: Floating barrel supports maintain curtain alignment and reduce friction
- Guides: Steel angles with UHWM anti-wear strips; locking channels prevent grille exit
- Mounting Tubes: Self-supporting structural tubes anchored to floor and jambs; no header support required
- Weather Seals: Brush seals on sides and top
- Finish: Rust-inhibiting primer on non-galvanized surfaces; aluminum in mill, clear anodized, bronze anodized; stainless steel in #2B or #4 finish
Features & Benefits
- High-speed operation for efficient traffic flow
- Durable grille construction with premium materials
- Springless design reduces maintenance and downtime
- Wireless safety edge reverses grille on contact
- Smooth, quiet movement with floating brackets and brush seals
- Customizable finishes and grille patterns
- Energy-efficient design reduces idle time and HVAC loss
- Compatible with advanced access control systems
Optional Features
- Laser light curtain (full-height safety reversal)
- Stainless steel, anodized aluminum, or galvanized finishes
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