Description
The Sargent 351-O is a heavy-duty aluminum surface door closer engineered for interior and exterior applications. Ideal for architects, building managers, and facility owners, it solves the need for reliable, ANSI/BHMA Grade 1 fire-rated door control on high-traffic openings while meeting ADA requirements and UL/cUL safety standards.
This non-handed closer accepts standard, top jamb, parallel, and track mounting with adjustable spring power (sizes 1-6, factory-set to size 3). Interchangeable arms and all-weather brass valve construction ensure long-term performance. As an authorized Sargent dealer, E.D. Locks provides expert guidance on fire-door compliance, installation, and 10-year warranty support. Contact sales@edlocks.com or 1-877-207-6067 for code questions or sizing assistance.
Specifications
- ANSI/BHMA A156.4 Grade 1
- UL Listed and cUL Listed to Canadian Safety Standards
- UL10C and UBC positive pressure fire test compliant
- Adjustable spring power, sizes 1-6 (factory-set size 3)
- Non-handed design, suitable for all applications except Push Side Track
- ADA compliant in most applications
- Captivated brass valves with standard pressure relief
- Interchangeable forged steel arms
- Non-corrosive plastic covers standard; metal optional
- 10-year warranty
