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By Lockwood

251 – 2557 Series – Slide Rail Cover & Heavy Duty

$9.41 - $224.66
$146.86
$146.86
SKU: 25131NNRCH2SS
$146.86
$146.86

The Lockwood 2557 Series is engineered for extremely heavy internal and external doors, offering exceptional durability and smooth performance. Designed for high-traffic commercial environments, the system supports doors up to 160kg with a maximum leaf width of 1600mm (standard arm installation).

Key Features:

  • Adjustable closing force size EN 5–7 (EN1154 compliant)

  • Separate valves for closing and latching speed

  • Back Check (BC) included as standard

  • Wide operating temperature range: –35°C to +45°C

  • Adjustable arm height (14 mm)

  • Dual pressure-relief valves for overload protection

  • High-performance die-cast aluminium body

  • Note: Parallel arm (push side) installation is not available for this model

Variants

251 Series – Interior Plate – Flush Pull – Custom Plate

  • 25131NNRCH2SS

2516 Series – Door Closer Components

  • SP2516-271SSS – Slide Rail Cover – Stainless Steel

  • SP2516-171FSSS – Cover

  • SP2516-806072 – Slide Piece

  • SP2516-805878 – Slide Rail End Cap – Silver (For 2516 & 2514 Series)

2557 Series – Heavy Duty Components

  • SP2567-810002 – Hardened Spindle Kit

  • SP2567-197SIL – Heavy Duty Arm Assembly