Sargent 351-HTB-EN-MC-LH 351 Series Door Closer

Track Holder Bumper Arm, EN Aluminum Powder Coat, Metal Cover, Left Hand
351 SeriesPowerglide® Door Closer

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.

General Information: Closer Spring Adjustment:

• Effects the entire cycle of the door closer movement
• Used to size closer for application requirements
• Determines the amount of force with which the door closes and the amount of force required to open the door
• Adjustable to compensate for door size and draft conditions

Backcheck valve:

• At approximately 70° of the open cycle, the Backcheck Valve begins to slow the door’s motion
• Prevents the door from slamming into the door’s stop
• Valve is used to control the intensity of the Backcheck
• Note: A Positive stop is required; Backcheck cannot be used as a stop

Closing speed valve:

• Controls how fast the door closes to approximately 8″ from the closed position, along with the closer spring

Latching speed valve:

• Controls the speed of the door during the final 8″ of door swing
• The force the door closes with is controlled by the closer spring
• Note: This adjustment is critical for door latching

Features:

• Certified ANSI/BHMA A156.4 Grade 1

• UL 10C listed for positive pressure fire test

• UL /cUL listed for use on fire rated doors

• 25 year limited warranty

• User friendly versatile mounting applications permit standard, top jamb, parallel and track installations

• Self sticking templates supplied for most applications

• 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 (except track)

• High impact non-corrosive plastic covers with two machine screws standard, metal covers and lead lined are optional

• All weather fluid allows closer to operate effectively in extreme temperatures without readjustment

• 1-1/2″ diameter piston for superior door control

• Standard pressure relief valves for both opening and closing cycles protect the door & frame from damage caused by abuse

Heavy Duty Construction:

• Heat treated full closed rack and pinion provide control from the full open position

• Heavy duty one piece die cast aluminum silicon alloy body with 14% silicon provides superior strength and wear resistance

• 1/2″ arm engagement over a 7/16 square spindle ensures a wear-resistant tight joint

Fasteners:

• Machine Screws and self tapping screws provided for closer and arm

Valves:

• Brass body low sensitivity control valves offer separate regulating for door speed, latching, backcheck and optional delayed action

• All valves are controlled by an 1/8″ allen wrench to discourage tampering and are captivated to prevent removing valves from the body and damaging door closer

• Adjustable backcheck (standard) protects the door and hardware from damage during the opening cycle

• Adjustable delayed action (optional) permits easy access for physically impaired individuals

• Valves are captivated to prevent accidental removal

Full Complement of Arm Types:

• 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