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Sargent 351 CPSH Powerglide® Door Closer | Heavy Duty Hold Open Arm with Compression Stop
The Sargent 351 CPSH Door Closer is the pinnacle of heavy-duty door control, specifically engineered for high-traffic doorways that require both physical protection and the convenience of a hold-open feature. As a premier model in the Powerglide® 351 Series, it features a Heavy Duty Parallel Arm with Compression Stop and Hold Open (CPSH). This specialized arm provides a cushioned dead stop between 85° and 105°, absorbing shock to protect the door and frame, while allowing the door to be held open for high-frequency transitions.
Constructed from a unique 14% silicon aluminum alloy, the one-piece die-cast body offers unmatched structural integrity and wear resistance. This ANSI/BHMA Grade 1 closer is fully non-handed and features adjustable spring power from Size 1 to 6, ensuring it meets all ADA accessibility requirements while providing the strength needed for heavy fire-rated doors in schools, hospitals, and commercial complexes.
Performance & Protection Features
- Dual-Function CPSH Arm: Combines a forged steel compression stop (cushioned spring stop) with a friction hold-open feature that can be set to your desired angle.
- Industrial Strength Piston: A massive 1-1/2" diameter piston provides superior hydraulic control and the durability required to exceed 25 million cycles.
- Tamper-Resistant Valves: Features separate brass valves for closing speed, latching speed, and backcheck. All valves are captivated to prevent accidental removal and adjusted via an 1/8" Allen wrench.
- Extreme Climate Reliability: Pre-filled with all-weather hydraulic fluid, the closer maintains consistent operation in extreme heat or sub-zero cold without seasonal adjustments.
- Fire & Safety Certified: UL/cUL listed for use on fire-rated doors (up to 3 hours) and compliant with UL10C and UBC 7-2 positive pressure standards.
- MicroShield® Antimicrobial Option: Available with a silver-based finish that permanently suppresses the growth of bacteria, mold, and mildew.
Technical Specifications
| Feature | Details |
| Manufacturer | Sargent (ASSA ABLOY) |
| Model Number | 351 CPSH (Powerglide®) |
| Certification | ANSI/BHMA A156.4 Grade 1 |
| Arm Type | Heavy Duty Parallel w/ Compression Stop & Hold Open |
| Spring Power | Adjustable Size 1 through 6 (Factory set to 3) |
| Stop Range | Cushioned stop adjustable from 85° to 105° |
| Body Material | 14% Silicon Aluminum Alloy |
| Handing | Non-Handed (Field Reversible) |
| Warranty | 25-Year Limited Mechanical Warranty |
Installation & Architectural Compatibility
The Sargent 351 CPSH is designed for a secure "push side" parallel arm installation. The package is comprehensive, including a high-impact plastic cover and all necessary fasteners: machine screws, self-tapping screws, and wood screws. For doors where maximum stability is required, this unit is supplied with Sargent thru bolts to ensure a rock-solid attachment to the door leaf.
Available at DoorwaysPlus.com in standard architectural enamel finishes: Aluminum Enamel (EN), Dark Bronze Enamel (EB), and Brass Enamel (EAB). This model is part of a modular family, with arms interchangeable across the Sargent 351, 1431, and 281 series.
| General - US Finishes | EN - Aluminum Enamel or EAB - Spray Gold or EB - Bronze Enamel |
| Brand | Sargent |
| Series | Sargent - 351 Series |
| Closer Arm Type | Compression Stop & Hold |
| Hold Open | Hold Open |
| Closer Body Hole Pattern | 9" x 2 1/2" |
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