Sargent 351 CPSH Heavy Duty Hold Open Parallel Arm w/ Compression Stop Door Closer

• One door closer body for all applications
• Adjustable spring power allows 351 closers a size range of 1 through 6.
• They are adjusted to size 3 before leaving the factory
• High impact non-corrosive plastic covers standard, metal optional. Both secured with two machine screws
• Captivated brass valves
• 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
• Machine screws and self tapping screws provided for closer and arm
• In addition, wood screws supplied when installed on wood doors without through bolts
• Interchangeable forged steel arms
• Parallel arm
• Forged Steel Constructions
• Provides built in compression stop from 85° to 105°
• Permits 105° opening maximum
• Dead stop within 3°
• Heavy duty forged steel arms are finely finished and interchangeable between SARGENT 351, 1431 and 281 series
• Brass body low sensitivity control valves offer separate regulating for door speed, latching and backcheck
• 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
• Valves are captivated to prevent accidental removal
• Finishes: Sprayed Brass Enamel (BHMA 696), Sprayed Bronze Enamel to match 10B (BHMA 690) and Sprayed Aluminum Enamel (BHMA 689)