- Additional Product Details
Heavy Duty Closer w. Backcheck, Plastic Cover - Adjustable EN Spring Sizes 1—4 (ANSI 1—5). Push Side Transom.
This variant includes:
Cylinder - 4020-3071
Standard, handed cast iron cylinder assemblyCover - 4020-72
Standard, handed plastic coverRegular Arm - 4020-3077
Non-handed armHanding Chart - You must specify the hand of the door when ordering this closer.
Table of Sizes - Recommended range of door widths for all closer models.
Suits doors <102 kilos
UKCA & CE certification applies to Top Jamb (Push Side) Mounting Only (4021)
The 4020 is LCN’s best-performing heavy-duty closer designed for institutional and other rugged high-traffic applications. All 4020 manual door closers are certified to exceed 15 million (15,000,000) full-load operating cycles by a recognised independent testing laboratory.
- Fifteen Million Cycles
- Cast Iron
- Forged Steel Main Arm
- Double Heat Treated Steel Pinion
- LCN® Fast™ Power Adjust
- Fast & Accurate Installation
- All Weather Fluid - Performs without variation: Manual Closers - between -35° to +49°C, Electronic HO Closers & Automatic Operators - between +2° to +49°C. At approx. +75°C, the fluid will begin to leak from the mechanism. The flash point is approx. 110°C
The 4010, 4020 and 4110 Series are heavy-duty closers that meet demands for high-traffic installations, and each is designed specifically for unique mounting applications. They are UL and cUL listed, meet ANSI/BHMA Grade 1 standards and boast 30-year warranties. They feature a standard plastic cover with optional plated finishes for the cover, arm and fasteners. They also feature the LCN Green Dial spring power indicator, which takes the guesswork out of adjustment.LCN Door Closers | Von Duprin Exit Devices | Schlage Locks
Relcross Limited (trading as) Relcross Door Controls | Hambleton Avenue | DEVIZES | Wiltshire | SN10 2RT | United Kingdom | T: ++ 44 (0) 1380 729 600 | F: ++ 44 (0) 1380 729 888 | E: sales@relcross.co.uk
- Certification
UK Fire Certification per BS EN 1634-1:2014 (timber) - 120 mins
UK Fire Certification per BS EN 1634-1:2014 (steel) - 60 mins
WFRC No. 142058EN 1154: 1996 + A1: 2002/AC:2006
UKCA | CE | ANSI | UL | 120 Mins Timber | 60 Mins Steel | Warranty: 30 Years (Mechanical)
Certificates, including DoPs, downloadable here
- Resources | Downloads