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DORRENHAUS PRODUCTS

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The installation steps of the door closer

The installation steps of the door closer Before installation, you must read the installation instructions carefully, and don’t forget to install the plastic cover, which can be used to catch the hydraulic oil leaking from the door closer. Determine the installation position according to th...

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What are the installation methods of door closers?

What are the installation methods of door closers? The installation of door closers is something we often encounter in the construction of weak current projects. Here are five methods for installing door closers. I hope all weak current engineers can use them as a reference in daily construction....

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In addition to the door, the hinge on the door is also very important

The working principle and types of door closers In our decoration, people pay a lot of attention to the material and type of the door, but few people pay attention that the various functions provided by the door are based on the hinge, and the work of the door is closely related with door hinge. ...

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SEE WHAT PEOPLE ARE SAYING

Successful  Case  Sharing

Successful Case Sharing

Customer district has standardized on DORRENHAUS door closers for over a decade

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FAQ

FAQ

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How to choose Dorrenhaus door closer

How to choose Dorrenhaus door closer

We are here to support you - before, during and after installation.

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VR

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DORRENHAUS PRODUCTS

DOOR CLOSER

DOOR CLOSER

·Heat-treated steel pinion journal
·UL/CUL/ANSI Grade 1 /CE Listed, Meet ADA requirements
·Designed to minimize tampering or vandalism with specialty components
·Provides solutions for vandal prone applications such as correctional facilities
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DOOR SPRING

DOOR SPRING

·For high-traffic
·Timber, metal and glass doors
·Areas where an overhead door closer may be subject to abuse
·Areas where it is not possible or desirable to fit an overhead door closer
·Their compact size makes them ideal where floor depth could be a problem
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PANIC BAR

PANIC BAR

·For high-traffic applications
·Classic aluminum storefront design
.Surface vertical rod devices easily field reversible
·Scratch-resistant surfaces and deadlocking built into the device
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HINGE

HINGE

·For interior doors
·Concealed mortise hinges
·CE/ANSI/UL standard
·Spring hinges for interior doors
·Double action spring hinges for interior doors
·feature a durable steel construction and lubricated knuckles that prevent binding
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MORTISE LOCKSET

MORTISE LOCKSET

·Offers highest level of security
·Enhanced lever and finish options
·Convenient, adjustable backset is standard
·Latchbolt and deadbolt are fabricated from stainless steel
·Internal parts are fabricated from high strength steel alloy
·Mortise lock case and internal components are treated to ensure corrosion resistance
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AUTOMATIC DOOR OPERATOR

AUTOMATIC DOOR OPERATOR

·Low power consumption
·Support relay contact signal
·Super quiet, less than 50dB when working
·Motor overcurrent, overload, short circuit protection
·Accurate adjustment of motor current (thrust) and speed
·Intelligent protection against obstacles and sliding door reversal
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