UK Fire Certification in accordance with BS EN 1634-1:2014 (timber) - 120 mins.
WFRC No. 142058 - Issue 4. Valid Until 1st December 2019

Specifications

• Ideal for multi-door applications since costs per door leaf decrease significantly as the number of door leaves increases
• Standard, plate mounted 4820 series closer shipped with regular arm, metal cover and wood and machine screw pack
• Non-sized cylinders for interior doors to 1372mm and exterior doors to 1067mm
• Non-handed
• Requires additional system components
• Standard or optional custom powder coated finish, end caps are black
• Optional plated finish on cover, arm, and fasteners
• Surface Mounting
  For interior or exterior doors. Single acting cylinder on head frame.
  Exposed regular arm to door top rail.
• Maximum Opening
  Butt hinge template allows 90° power opening and 100° manual opening.
• Consult Relcross for all pivot mounted installations.
• Butt Hinges should not exceed 127mm in width.
• Auxiliary Stop is recommended.
• Head Frame minimum 44mm for mounting plate.
• With flush ceiling use 4820-18G plate.
• Top Rail minimum 44mm (76mm with 4820-18G plate).

Regular Arm - 4820-3077
Non-handed arm

Long Arm - 4820-3077L
Arm includes long rod and shoe, 4820-79LR for deep reveals

Cylinder Only - 4822-3971
Standard, non-handed, cast iron cylinder

Cylinder Assembly - 4822-3071
Standard, non-handed, cast iron cylinder. Includes; 4820-18 Mounting Plate or 4820-18G Mounting Plate (must specify)

Cover, 4820-72MC
Standard, non-handed metal cover with black end caps

Plate - 4820-18
Standard mounting plate. Plate requires minimum 44 mm minimum head frame and 51 mm top rail

Plate - 4820-18G
Replaces standard plate for flush ceiling condition. Plate requires minimum 44 mm minimum head frame and 76 mm top rail

How to Specify or Order

Finishes

US28 - Powder Coated Silver