Sargent 351-O TB 4 LH Grade 1 Surface-Mount Door Closer

Sargent 351-O TB 4 LH Grade 1 Surface Mount Closer offers superior performance and durability for both interior and exterior doors. Designed to meet the demands of high-traffic environments, this aluminum surface door closer is perfect for schools, healthcare facilities, and commercial buildings. Its heavy-duty construction ensures exceptional strength and wear resistance, making it a reliable choice for busy settings. Featuring a standard arm and left-handed configuration, the 351 Series Powerglide Closer is equipped with adjustable spring power, allowing for a size range of 1 through 6, pre-adjusted to size 3 at the factory. The versatile mounting options enable standard, top jamb, or parallel installations, accommodating various architectural needs. With ANSI/BHMA A156.4 Grade 1 certification and UL/cUL listings for fire-rated doors, this closer ensures safety and compliance. The design includes high-impact non-corrosive plastic covers, secured with machine screws, while the captivated brass valves and interchangeable forged steel arms provide ease of maintenance. Additionally, the closer meets ADA requirements (except for the push side track application) and offers all-weather capabilities, ensuring reliable operation in any condition. Backed by a 10-year warranty, the Sargent 351-O TB is engineered for lasting performance and peace of mind.

Grade 1 Surface Mount Closer

Surface Door Closer, Standard Arm, Left Hand, Thru Bolts, Satin Brass

The 351 Powerglide Series of aluminum surface door closers have been engineered to meet the high demands of architects and building owners. The 351 Series is a complete line of closers for interior and exterior doors with quality and flexibility to meet virtually every application.

The 351 Series Powerglide Closer is ideally suited for highly trafficked environments, with a full complement of arm types and front-facing valves.

Featuring heavy-duty construction for superior strength and wear resistance, the 351 Series Powerglide® Door Closer is ideally suited for highly trafficked environments like schools, healthcare facilities, and office and commercial buildings. With a full complement of arm types and front-facing valves, the 351 series can be easily installed and maintained—for interior and exterior applications.

• ANSI/BHMA A156.4 Grade 1
• Conforms to UL10C and UBC for positive pressure fire test
• UL Listedand cUL Listed to Canadian Safety Standards listed for use on fire doors. Note: Any retrofit or other field modification to a fire rated opening can potentially impact the fire rating of the opening, and Sargent Manufacturing Company makes no representations or warranties concerning what such impact may be in any specific situation. When retrofitting any portion of an existing fire rated opening, or specifying and installing a new fire-rated opening, please consult with a code specialist or local code official (Authority Having Jurisdiction) to ensure compliance with all applicable codes and ratings. 
• 10-year warranty
• Versatile mounting applications permit standard, top jamb, parallel and track installations
• Adjustable spring power allows 351 closers a size range of 1 through 6. They are adjusted to size 3 before leaving the factory
• One door closer body for all applications. All 351 are non-handed.
• Meets ADA requirements in all applications except Push Side Track application
• High impact non-corrosive plastic covers standard, metal optional. Both secured with two machine screws
• All weather capabilities
• Captivated brass valves
• Interchangeable forged steel arms
• Standard and parallel arms
• Push and pull track arms (including double egress)
• Heavy duty forged steel arms are finely finished and interchangeable between SARGENT 351, 1431 and 281 Series Innovation
• Standard pressure relief valves for both opening and closing cycles protect the door & frame from damage caused by abuse

Resources

• 25-CPS Heavy Duty Parallel Arm (with Compression Stop) Parts List
• 25-CPSH Heavy Duty Parallel Arm (with Hold Open & Compression Stop) Parts List
• 25-F9 Fusible Link Arm Parts List
• 25-H Holder Arm Parts List
• 25-HD Track Type Arm with Hold Open, Double Egress Parts List
• 25-HDB Arm and Track Assembly Parts List
• 25-HDS Arm and Track Assembly Parts List
• 25-HDSB Arm and Track Assembly Parts List
• 25-HT Track Type Arm with Hold Open, Pull Side Parts List
• 25-HTB Track Type Arm, Hold Open with Bumper, Pull Side Parts List
• 25-O/OZ/OZA Regular Arm Parts List
• 25-OD Track Type Arm, Double Egress Parts List
• 25-ODB Track Type Arm with Bumper, Double Egress Parts List
• 25-ODS Arm and Track Assembly Parts List
• 25-ODSB Arm and Track Assembly Parts List
• 25-OT Track Type Arm, Pull Side Parts List
• 25-OTB Track Type Arm with Bumper, Pull Side Parts List
• 25-OTP Pocket Application Arm & Track Parts List
• 25-OTP Pocket Arm Parts List
• 25-P10/SP10 Heavy Duty Parallel Arm Parts List
• 25-P9 Parallel Arm Parts List
• 25-PHT Track Type Arm with Hold Open, Push Side Parts List
• 25-PHTB Track Type Arm Hold Open with Bumper, Push Side Parts List
• 25-POT Track Type Arm, Push Side Parts List
• 25-POTB Track Type Arm with Bumper, Push Side Parts List
• 25-PS Heavy Duty Parallel Arm (with Stop) Parts List
• 25-PSH Heavy Duty Parallel Arm (with Hold Open & Stop) Parts List
• 281, 351 and 1431 Series Parts List
• 351 Hold Open Arms With Fusible Links Installation Instructions
• 351 Series Door Closer Body Assembly & Cover Parts List
• 351 Series Door Closers w/'OT/OTB/HT/HTB' Arms Installation Instructions
• 351 Series Door Closers with 'O'/UO/OZ/OZA/P9 Arms Installation Instructions
• 351 Series Door Closers with 'OD/ODB/HD/HDB' Arms Installtion Instructions
• 351 Series Door Closers with 'POT/POTB/PHT/PHTB' Arms Installation Instructions
• 351 Series Door Closers with 'UH/HZ/HZA/PH9' Holder Arms Installation Instructions
• 351 Series Door Closers with CPS & CPSH Holder Arms Installation Instructions
• 351 Series Door Closers with OP (Double Lever Arm) & OTP (Track-Type Arm) Installation Instructions
• 351 Series Door Closers with PH10 /P10 Arms Installation Instructions
• 351 Series Door Closers with PS & PSH Holder Arms Installation Instructions
• 351 Surface Door Closers Cut Sheet
• 351-O With A 351L Retrofit Plate
• 351-P10 Or PH10 With A 351L Retrofit Plate
• 351-P9 With A 351L Retrofit Plate