Lockwood 2557 Series Heavy Duty Arm Assembly - Silver
The Lockwood 2557 Series Heavy Duty Arm Assembly is designed for use with high performance door closer systems on large and heavy doors. Engineered for durability and strength, it supports reliable door control in demanding environments.
Suitable for both internal and external applications, this assembly is ideal for installations where heavy door leaves and wide openings require enhanced closing force and stability.
Usually ships in 62 business days
Key Features
- Heavy duty arm assembly for Lockwood 2557 Series door closers
- Suitable for doors up to 160kg and 1600mm wide
- Adjustable closing force size EN 5 to 7
- Separate adjustment for closing and latching speed
- Back check (BC) function included as standard
- Wide operating temperature range from -35°C to +45°C
- Adjustable arm height for installation flexibility
- Durable die-cast aluminium construction
- Pressure relief valves for protection against abuse
Suitable Uses
- Heavy commercial doors
- Industrial door applications
- External and internal door installations
- High traffic environments
- Doors requiring strong closing force and durability
Full Specifications
Item Code Family
Frequently Asked Questions
What type of doors is this suitable for?
It is designed for heavy duty doors up to 160kg and 1600mm wide.
Can it be used externally?
Yes, it is suitable for both internal and external door applications.
Does it support adjustable closing force?
Yes, it offers adjustable closing force from EN 5 to EN 7.
Additional Information
- Part of Lockwood heavy duty door closer systems
- Designed for high performance and reliability
- Suitable for demanding environments and heavy usage
- Parallel arm (push side) installation not available
Lockwood branded products purchased new in Australia from authorised resellers are covered against defects in materials and workmanship for:
- Mechanical components: 25 years
- Electrical and electronic components: 2 years (excluding batteries)
Lockwood Warranty Overview
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary depending on product type, mechanical components, electrical elements, and finish category.
This overview summarises the structure of Lockwood warranty coverage. Full terms, exclusions and claim procedures are set out in the official Lockwood Warranty document.
Warranty Periods Summary
Finish Coverage Guide
- Everbrass finishes: up to 25 years against corrosion, tarnishing and discolouration.
- Stainless steel, polished stainless steel, chrome plating and anodised finishes: typically up to 10 years.
- Decorative finishes including Antique Copper, Architectural Bronze, Oil Rubbed Bronze, Aged Brass, Polished Brass, Satin Brass and related variants: typically up to 2 years against corrosion.
- Unlacquered brass finishes will naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where cleaning and maintenance have not been followed.
What the Warranty Covers
- Defects in material and workmanship during the applicable warranty period.
- Assessment by ASSA ABLOY to determine repair, replacement with the same or closest equivalent product, or refund of purchase price.
Common Exclusions
- Normal wear and tear.
- Misuse, abuse, accidental damage or use outside published specifications.
- Improper maintenance or failure to follow care instructions.
- Unauthorised modification, repair or use of non-genuine parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or pollution.
- Removal, refitment or associated labour charges.
- Products not originally sold in Australia through authorised channels.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product through the original place of purchase where applicable.
- If claiming directly, obtain a case number before returning goods.
- Products must be securely packed and clearly identified.
- Warranty assessment determines repair, replacement or refund.
Australian Consumer Law
Lockwood warranties operate in addition to rights available under the Australian Consumer Law. Goods come with guarantees that cannot be excluded. Customers may be entitled to a replacement or refund for a major failure and compensation for reasonably foreseeable loss or damage.
Where a product fails to meet acceptable quality standards and the failure does not amount to a major failure, the customer is entitled to repair or replacement.
Official Warranty Document
