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skip to Briton 1120B Door Closer - Stainless Steel

Briton 1120B Door Closer - Stainless Steel

£99.59

(£82.99 ex VAT)

sku: ASP1100
  • Adjustable power sizes 2 to 4 to suit doors up to 1100mm wide and 80kg in weight
  • Certified to EN 1154 and EN 1634 for use on 2-hour fire-rated timber doors
  • Integrated backcheck function to protect the door and surrounding structure from damage
  • Universal fixing brackets for regular, transom, and parallel arm installation included
  • Adjustable latching action ensures the door closes securely into the frame
  • Non-handed design suitable for both left and right-hand opening doors
  • Certifire CF388 approved for verified performance in fire safety applications
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When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

10 Year Guarantee
fire Fire Rated: FD120

The Briton 1120B is a versatile overhead door closer designed for medium-duty applications, such as internal office doors and light commercial entrances. It features an adjustable power system, allowing the closing force to be configured between EN sizes 2 and 4. This flexibility ensures the closer can be matched to doors ranging from 850mm to 1100mm in width and up to 80kg in weight.

As part of the 1100 series, this unit is engineered for reliability and safety. It is fully certified to EN 1154 and EN 1634, CE marked, and Certifire CF388 approved, making it suitable for use on timber fire doors for up to 120 minutes. Typical applications include new installations or as a replacement part for existing fire door hardware where compliance is essential.

The closer is supplied with all necessary brackets for three mounting positions: regular (Fig. 1), top jamb/transom (Fig. 61), and parallel arm (Fig. 66). It includes a backcheck function as standard, which cushions the door if it is opened with excessive force, preventing damage to the frame and wall. The adjustable latching action allows for fine-tuning of the final closing speed to ensure the door latches correctly against air pressure or latch resistance.

Brand

SKU

ASP1100

Box Contents

Fixing Kit

Closer with backcheck and trimplate cover

Trimplate

Fire Rating

Fire Rated: FD120

FAQs

The Briton 1120B features adjustable power sizes (2 to 4), making it ideal for medium-usage doors. It can accommodate:

  • Size 2: Doors up to 850mm wide and 40kg.
  • Size 3: Doors up to 950mm wide and 60kg.
  • Size 4: Doors up to 1100mm wide and 80kg.

Yes, it is fully certified for use on fire doors. It is CE Marked, Certifire approved (CF388), and has successfully passed a 2-hour fire test for timber doors under EN1634 standards.

This unit is highly versatile and is supplied with regular, transom, and parallel fixing brackets as standard. It is also fully reversible, meaning it can be installed on both left and right-handed doors.

Yes, the Briton 1120B includes both an adjustable latch action for controlled closing in the final stage and a backcheck feature. Backcheck provides resistance when the door is opened with force, helping to protect both the door and the adjacent wall from damage.

skip to Briton Hold Open Kit for 1100 Door Closer - Silver Enamel Finish

Briton Hold Open Kit for 1100 Door Closer - Silver Enamel Finish

£65.99

(£54.99 ex VAT)

sku: ASP1100HK
  • Compatible with Briton 1100 series overhead door closers
  • Enables mechanical hold-open function for controlled doors
  • Facilitates easier access and ventilation in non-fire rated areas
  • Simple retro-fit installation to existing closer units
  • Durable internal mechanism for reliable long-term performance
  • Integral nut and clip design for secure attachment
Qty:

Shipping From:

When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

The Briton Hold Open Kit is a specialist accessory designed specifically for use with the Briton 1100 series of overhead door closers. It provides a mechanical means of holding the door in an open position, which is particularly useful in environments requiring frequent access or increased ventilation.

This kit is typically installed as a retro-fit component or during the initial setup of a new door closer. It functions by allowing the door to be held at a pre-determined angle, preventing the automatic closing mechanism from engaging until the door is manually pulled shut. It is an essential component for doors in high-traffic areas where permanent closing is not always required.

Typical applications and system roles include:

  • Office entrance doors requiring daytime access
  • Classroom doors to facilitate movement between lessons
  • Internal corridor doors for improved airflow
  • Usage as a direct replacement part for worn hold-open mechanisms

By using genuine Briton accessories, you ensure full compatibility and maintain the mechanical integrity of the door closer unit. Note that mechanical hold-open devices should not be used on designated fire doors.