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112-4CW Surface Mounted Door Closers Manufacturer

Home / Our Products / Surface Mounted Door Closers / 112-4CW Adjustable Fire Door Closers
  • 112-4CW Adjustable Fire Door Closers
  • 112-4CW Adjustable Fire Door Closers

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112-4CW
Surface Mounted Door Closers

Model
technology R&P
size according to ANSI/UL228 EN1—EN5
APPLICATIONS
door width [mm] ≤1250mm
max. door leaf weight [Kg] ≤100kg
LH/RH door One Side
double action door No
anti-corrosion (hours) 96
fire doors (≥ EN3) Yes 
recommended use mid-duty interior/exterior doors
BODY & COVER PLATE
dimensions of Body
(length/width/depth) [mm]		 246MM(L)×46MM(W)×71MM(H)
dimensions of Installation
(length/width) [mm]		 230MM×19MM
body material Die Cast Aluminum
cover Yes 
number of screws Optional
CERTIFICATION
 ANSI (1500.000 cycles) 1500000
CE marking/ANSI Marking UL/ ANSI
Grade Grade 1
voluntary high/low temperature testing Yes 
FEATURES
max. opening angle 180° 
closing speed 180° - 23°
latching speed 23° - 0°
back check fix Yes 
delayed action No
hold-open Optional
adjustable closing force Yes 
VALVES
type of adjustment valves
(slotted screw/cross head)		 －
Performance Curve
Manual
Installation Video
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  • FAQ
  • Contact Us

Q: Where do you mainly export your goods?

Aibo provides customers with localized technical support and efficient response services through its global dealer and service network. Its products are now widely used in Asia, Europe, North America, the Middle East, and other regions to meet the diverse needs of different markets around the world.

Q: How does your company ensure product quality?

We will have corresponding inspections after each process. For finished products, we will conduct full inspections according to customer requirements and international standards.

Q: What products can you provide?

We mainly produce surface-mounted door closers, concealed door closers, floor springs, push bar door locks, automatic door openers, etc.

Q: How long does it take to get a reply after we send you an inquiry?

We will respond to you within 12 hours after receiving your inquiry on weekdays.

Our Main Products

ZHEJIANG AIBO SECURITY-TECHNOLOGY CO., LTD.
About AIBO

AIBO was founded in 2001 and is a world-renowned OEM 112-4CW Surface Mounted Door Closers Manufacturer in Zhejiang, China. With years of industry experience and continuous innovation, AIBO has grown into a trusted professional brand in the industry, and has won wide recognition in multiple application scenarios such as residential, commercial and industrial.


As of 2024, AIBO products have been exported to more than 50 countries and regions around the world, and have obtained international certifications such as ISO9001, ISO14001 and ISO45001, and have passed the sustainable development audits of authoritative organizations such as ASSA ABLOY EMEA, Ecovadis, and SGS. The company's annual production capacity reaches 280,000 door closers and 50,000 floor springs, maintaining its leading position in the industry.


AIBO Custom 112-4CW Surface Mounted Door Closers Company currently has a plant area of ​​approximately 35,000 square meters and more than 150 employees, including a team of 12 R&D and process engineers, focusing on product development, technological innovation and manufacturing optimization.

Honors and Certificates
  • High and New Technology
  • CE
  • CE
  • CE
  • CE
  • CE
  • UKCA
  • UKCA
  • UKCA
  • UKCA
  • UKCA
  • CQM

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