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
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary by product type, with separate cover for mechanical components, electrical and electronic parts, keys, and finishes.
The summary below sets out the standard warranty structure. All warranty claims are handled by Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries. Full terms and exclusions are set out in the official Lockwood warranty document linked at the base of this page.
Warranty 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.
- PVD and VIVID finishes: typically up to 10 years.
- Symmetry range finishes: typically up to 5 years.
- Decorative finishes (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 naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where the required cleaning and maintenance have not been followed.
How to Make a Claim
- Contact Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries with your proof of original purchase.
- Keep the product securely packed and clearly identified, ready for assessment.
- Where a claim is escalated to the manufacturer, ASSA ABLOY may issue a case number before goods are returned.
- ASSA ABLOY assesses the claim and determines repair, replacement with the same or closest equivalent product, or refund of the purchase price.
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.
These manufacturer warranties apply in addition to your rights under the Australian Consumer Law. Our goods come with guarantees that cannot be excluded under the ACL. You are entitled to a replacement or refund for a major failure and to compensation for any other reasonably foreseeable loss or damage. Where a failure does not amount to a major failure, you are entitled to have the goods repaired or replaced.
