Linkage door closer or( irrespective of right and left)

Introduction of linkage door closer:

The utility model relates to a lonkage door closer (also known as a power delivery relase chute), which is matched with an ordinary door closer. The utility model is a device for positioning the door, and the angle of the positioning can be adjusted so that the fire door can be normally opened.

When a fire occurs, the fire control linkage controls the disconnection of the power supply, and the linkage door closer is released and positioned, and the fire door is closed under the function of an ordinary door closer, and the function of the idle feedback is connected at the same time.

WENZHOU GRH MANUFACTURE CO.,LTD

is one of main hardwares supplier start from 2002 years in Wenzhou city of China.

We deal with most kinds of funiture and building hardwares .Like cabinet handles,knob,door handle,locks,door stopper,glass holder,latchs, plastic or matel accessories,sink,bowl shelf,bathroom accessories,screws,industrial support,industrial legs, and so on. All the products export to Europ,North/South American,South Asian,South Africa,Middle East,etc.

    With a perfect sales network in the economic globalization,WENZHOU GRH is facing new opportunities and challenges. We have been introducing in advanced production equipment and technical strength,and focused on every detail in production and every working procedure in market servey,information feedback,product development,quality inspection and sale service,this showing GRH real spirit,culture,and strength to build up a credible. reliable and high-quality brand of GRH in the hardware industry.