LCN Closers | 4000 Series

LCN for precise and effective door control.

- Extra Duty Forged Steel Main Arms
- Optional Metal Covers/TORX Fixings
- All Weather Hydraulic Fluid Performs Without Variation
- UKCA & CE Certification
- Fire & Life Safety First.


Door Control products from Relcross provide solutions to just about every commercial door control situation that may arise. Our door control products encompass various types, from door holders, coordinators, and door closers to low-energy automatic operators. Our products are widely specified for use on commercial and public buildings to ensure security, fire, and life safety obligations are addressed.

Von Duprin | Exit Devices

Architectural Grade Exit Devices

- 33A/35A & 98/99 Modular Designs
- Rim Latch, Mortice Latch, Surface & Concealed Rod Options
- Large Stocks
- Next Day Delivery
- Best Prices
- Fire & Life Safety First

33A/35A & 98/99 series devices are best suited to heavy-duty situations on perimeter and internal doors where safe egress in panic emergencies is required. All designs provide solutions with optional outside access devices for door stile applications from 44mm. EL, QEL & pneumatic latch retraction versions are available for access control doors on escape routes.

LCN Closers | Strength & Versatility

Performance guaranteed.

- 4040XP Universal Door Closer
- Optional Metal Covers/TORX Fixings
- Large Stocks
- Next Day Delivery
- Best Prices
- Fire & Life Safety First.


LCN 4040XP sets a new standard for reliability, longevity, and value with a beefier design and extraordinary performance testing far beyond industry requirements. We built the 4040XP from the inside out, combining tougher, bolder construction with proven LCN technology. The result is a closer that’s stronger and smarter and delivers remarkable value in three separate applications.

Keylex 700 | Stand Alone Access Control

Rated for timber and mineral-based doorsets.

- UK Fire Certification
- BS EN 1634-1 & EN 1634-1 (all versions)
- Intumescent Kits
- Sash Lock Only
- Euro Profile Key Control
- Passage Function
- Fire & Life Safety First

Keylex 700 Mechanical Digital Locks may be installed on previously fire-tested (or assessed) timber/mineral-based doorsets that have achieved 30 minutes of integrity per BS EN 1634-1. Use the Keylex 700 on all standard duty, high-security external door installation and any door requiring a flexible Euro profile key system.

Relcross | 4040XP Tandem Door Closers

Best suited to heavy-duty situations on perimeter and internal doors (<272 kilos) where accessibility is not an issue. Each mechanism comprises:

- 44% Increased Bearing Load Capacity
- Strongest Pinion Ever, 19mm Journal Diameter
- Widest Bearing Ever at 16mm
- Strongest Pinion Teeth
- New V-shield Seal with 20% Longer Life
- XP for eXtra Protection in Real-world Applications
- Cast Iron w. Forged Steel Arms
- Double Heat-treated Pinion.

Developed over many years, the 4040XP.TANDEM Overhead Door Closer comprises two heavy-duty cylinders linked to produce considerable power without any loss of control, suitable for doors up to 272 kilos. An additional cylinder can be introduced for extra heavy doors in excess of 272 kilos—consult the sales office for further information.

Keylex | Heavy Duty Digital Locks

Extra Heavy Duty Mechanical Access Control

- BS 8607: 2014 Grade 3 | WIL No. 342897
- Over 16K Selectable Code Permutations
- Code Scramble
- Entirely Mechanical Operation
- Slipping Clutch Mechanism
- Double Throw Deadlocking Latch
- CE/UKCA Approved for use with Von Duprin Exit Devices

Use the Keylex 2100 series on all heavy-duty, high-security external door installations and on any door where heavy traffic or extreme use and abuse can be expected. This includes all military, police and fire service installations. The proven heavy-duty design, with its built-in clutch mechanism protecting the lock furniture, will withstand all but the most violent attack and give many years of service if specified and maintained correctly.

Record DFA127 | Automatic Operator

Universal Automatic Drive System for Swing Doors.

- Compact Design and Smoothness of Operation
- Adjustable Closing Power between Sizes EN4 - EN6 
- Barrier-free Access for the Elderly and Infirm
- Fire-rated Solutions are Compatible with Several Manufacturers' Profiles
- Fire & Life Safety First.

The DFA127 is the only swing door operator you will ever need. Electromechanical Automatic Operators are designed for doors primarily where regular automation is desired but where able-bodied users may operate the door manually.

Keylex | Key Override Digital Locks

Standard Duty Mechanical Access Control

- BS 8607: 2014 Grade 3 | WIL No. 342898
- Over 4K Selectable Code Permutations
- Code Scramble
- Entirely Mechanical Operation
- Slipping Clutch Mechanism
- Double Throw Deadlocking Latch
- CE/UKCA Approved for use with Von Duprin Exit Devices

Use the Keylex 800 series on all standard-duty, medium-security door installations. Always choose the K2100K option for military, police, and fire service installations. The narrow stile Keylex 800 design, with its built-in clutch mechanism protecting the lock furniture, will suit all clear stile widths down to 80mm and is particularly suited for use on timber and composite doors. The Keylex 800 will give many years of service if specified and maintained correctly.

Pemko Flip | Privacy Door Latches

Increase Privacy - Reduce Door & Frame Damage.

- Increased Guest Privacy
- Easy to Install
- Allows for Visitor Identification
- Hospitality/Hotel Bedrooms
- NHS/Private Sector Hospitals
- Student Accommodation

The revamped Privacy Door Latch (PDLAAA) brings a sleek and stylish design to interior corridor openings such as those in hotels and dormitories. The new contemporary pattern maintains the latch's simple operation. The PDL is compatible with existing accessories and easily installed on most door frames.

Falcon Velocity™ Cartridges

Product Selector & Overview

ANSI Grade | UKCA | CE Commercial Door Hardware.

- LCN Door Closers.
- Von Duprin Exit Devices.
- Keylex Digital Locks.
- Schlage Locks
- Glynn Johnson Holders
- Ives Flush Bolts.


Download the Product Selector & Overview. This document summarises our complete range of compatible hardware products, from which a properly matched successful door package can be confidently selected.

Relcross Door Controls - Adding Value!