Adjustable Size 3 to 6 Door Closer
This heavy-duty adjustable size 3–6 door closer is engineered for high-performance environments requiring precision control and robust functionality. Featuring power adjustment through template positioning and spring tension, it offers a wide power range to suit a variety of door sizes and weights. With closing speed, latching speed, backcheck, and delayed action functions, it is ideal for commercial and public buildings with demanding specifications. Certified to BS EN1154 and BS EN1634-1, it is suitable for fire-rated timber doors up to 120 minutes.
- Adjustable power size: EN 3–6 (size 3 by template, sizes 4–6 by template/spring adjustment)
- Body material: Aluminium
- Arm type: Scissor arm (Steel)
- Adjustable functions: Closing speed, latching speed, backcheck, delayed action
- Max door weight: 120kg (door mount pull), 100kg (door mount push / frame mount push)
- Max door width: 1400mm (door mount pull), 1250mm (door mount push / frame mount push)
- Tested to BS EN1154:1997
- Fire tested to BS EN1634-1
- Suitable for 30, 60, 90, and 120-minute timber fire doors
- Semi-radiused cover design
- Finishes available: Silver (SE), Satin Stainless Steel (SSS)
Request Pricing
Tell us your requirements and we will review your specification against certified fire door systems.
Our team ensures compatibility, correct fire rating, and full documentation before issuing your quote.
NOTE: Our customer service team may be assisting other callers.
If you’re unable to reach us by phone, please email sales@premierfiredoors.com
A member of our team will provide a quotation as soon as possible.
Compliance & Certification
Fire doors must be fully traceable and supported by valid test evidence. All our products are backed by third-party certification and supplied as part of a compliant, tested system, not individual components.
Installation Guidance
Correct installation is essential to achieving fire performance. We provide technical guidance to ensure your door is installed in line with tested evidence, BS standards, and manufacturer requirements.
Delivery & Lead Times
Lead times vary depending on specification, finish, and configuration. We provide clear timelines and updates to support project planning and avoid delays on site.
Fire Doors are a System, not just a Door Leaf.
Compliance is achieved through correct specification, compatible components, and tested assemblies. Incorrect decisions at specification stage often lead to failed inspections, delays, and costly rework. Do not gamble with safety.
Ready to specify?
Provide your project details, quantities and specifications and our team will issue a structured quotation based on certified system requirements.
Not sure what you need?
Use our configurator to build a door based on your project requirements. We’ll guide you through key decisions like fire rating, sizing, glazing, and finish, so nothing critical is overlooked.
Supplied from certified, trusted manufacturers


