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4021.RH.US28 Door Closer

4021.RH.US28 Door Closer | Image 1
MPN: 4021.RH.US28
Finishes: US28 Silver w. Matching Arm
from stock - next working day wherever possible
 
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4021.RH.US28 Door Closer

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  • Product Description
  • Installation and Technical Information

4021.RH.US28 (Reg - Regular Arm) 

Heavy Duty Closer w. Backcheck, Plastic Cover - Adjustable EN Spring Sizes 1—4 (ANSI 1—5). Push Side Transom. Silver w. Matching Arm

This variant includes:

Cylinder - 4020-3071
Standard, handed cast iron cylinder assembly

Cover - 4020-72
Standard, handed plastic cover

Regular Arm - 4020-3077
Non-handed arm

Suits doors <102 kilos 

CE Certified. Certification applies to Top Jamb (Push Side) Mounting Only (4021)

Trade Customers - Ask us about trade terms/prices

The 4020 is LCN’s best performing heavy duty closer designed specifically 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 recognized independent testing laboratory

  • Fifteen Million Cycles
  • Cast Iron
  • Forged Steel Main Arm
  • Double Heat Treated Steel Pinion
  • 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
  • LCN ® Fast™ Power Adjust
  • Fast & Accurate Installation

UK Fire Certification in accordance with BS EN 1634-1:2014 (timber) - 120 mins
UK Fire Certification in accordance with BS EN 1634-1:2014 (steel) - 60 mins
WFRC No. 142058

EN 1154: 1996 + A1: 2002/AC:2006

ANSIUL   

LCN 4000 Series Door Closers

Best suited to heavy duty situations on perimeter and internal doors where a high level of traffic is anticipated.

The 4020 Series is LCN’s most durable heavy duty closer, fully certified to both EN 1154 and to ANSI A156.4. With over 15 million test cycles undertaken, the LCN 4020 will cope with the most gruelling applications and has earned an unrivalled reputation for extreme durability and reliability in use.

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Relcross Ltd (Relcross Door Controls)
Hambleton Avenue
Devizes
Wiltshire
SN10 2RT

t: 01380 729 600

w: www.relcross.co.uk
e: sales@relcross.co.uk