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Sargent 351 PHT Powerglide® Door Closer | Push Side Hold Open Track Arm
The Sargent 351 PHT Door Closer is a high-performance, heavy-duty solution specifically engineered for demanding commercial and institutional environments. As part of the prestigious Powerglide® series, the 351 PHT features a Push Side Hold Open Track Arm, offering a sleek, low-profile alternative to traditional projecting arms. This track system allows the door to be held open at a specific range (85° – 95°) via an adjustable holder mounted within the track, making it ideal for high-traffic areas requiring frequent hands-free access.
Crafted with a one-piece die-cast aluminum silicon alloy body containing 14% silicon, this ANSI/BHMA Grade 1 closer provides exceptional strength and wear resistance. The heat-treated full closed rack and pinion ensures total hydraulic control throughout the entire door cycle. Designed for interior doors up to 5'0" wide, the 351 PHT is pre-filled with all-weather fluid for consistent operation in extreme temperatures without manual readjustment.
Professional Grade Engineering & Security
- Integrated Hold Open Track: The extruded aluminum track and forged steel arm provide a modern, vandal-resistant aesthetic. The adjustable holder allows for reliable hold-open functionality on the push side of the door.
- Precision Hydraulic Control: A massive 1-1/2" diameter piston offers superior door control. Three independent brass valves allow for separate regulation of closing speed, latch speed, and backcheck.
- Tamper-Resistant Adjustments: All valves are controlled by an 1/8" Allen wrench and are captivated within the body to prevent accidental removal or vandalism.
- Fire & Safety Compliance: UL and cUL listed for use on fire doors, conforming to UL10C and UBC positive pressure standards.
- Advanced Protection: Standard pressure relief valves protect the door and frame from damage caused by abuse during both opening and closing cycles.
Technical Specifications
| Feature | Details |
| Manufacturer | Sargent (ASSA ABLOY) |
| Model Number | 351 PHT (Push Side Hold Open Track) |
| Certification | ANSI/BHMA A156.4 Grade 1 |
| Spring Power | Adjustable Size 1 through 6 (Preset to 3) |
| Hold Open Range | Adjustable between 85° – 95° |
| Body Material | 14% Silicon Aluminum Alloy |
| Maximum Opening | 100° with standard track |
| Piston Diameter | 1-1/2" for Industrial Strength |
| Warranty | 25-Year Limited Mechanical Warranty |
Installation & Architectural Finishes
The Sargent 351 PHT is designed for Push Side Track mounting, where the track is installed on the frame stop. For installations with a limited top rail, a 351-D Drop Plate is required to meet the minimum 3" clearance. To ensure the most secure attachment to wood or mineral core doors, this unit is supplied with Sargent thru bolts.
- Available Finishes: Stocked at DoorwaysPlus.com in durable architectural enamel: Aluminum (EN), Dark Bronze (EB), and Brass (EAB).
- Innovative Coatings: Optional MicroShield® antimicrobial finish is available to suppress the growth of bacteria, mold, and fungus.
- Hardware Compatibility: For increased protection, an optional Track Bumper can be added to assist the backcheck (auxiliary stop still required).
| General - US Finishes | EN - Aluminum Enamel or EAB - Spray Gold or EB - Bronze Enamel |
| Brand | Sargent |
| Series | Sargent - 351 Series |
| Closer Arm Type | Track Arm |
| Hold Open | Hold Open |
| Closer Body Hole Pattern | 9" x 2 1/2" |
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