Aluminum Alloy Automatic Door Closer For Sale

Aluminum alloy automatic door closer is a spring-like hydraulic device on the door head. When the door is opened, it can be compressed and released to automatically close the door. It acts like a spring door and can ensure that the door is opened accurately and timely to the initial position.

Aluminum Alloy Automatic Door Closer. Modern hydraulic door closers (referred to as door closers) began with a patent registered by the Americans in the early twentieth century.

Aluminum Alloy Automatic Door Closer. It is different from traditional door closers in that it achieves a buffer effect by throttling the liquid in the door closers. .

Aluminum Alloy Automatic Door Closer For Sale. The core of the design idea of the hydraulic door closer is to realize the control of the closing process so that the various functional indexes of the closing process can be adjusted according to the needs of people.

Function

The significance of the door closer is not only to automatically close the door but also to protect the door frame and door body (smooth closing). More importantly, the door closer has become an important part of the intelligent management of modern buildings.

Door closers are mainly used in commercial and public buildings, but they are also used at home. They have many uses, the most important of which is to make the door close by itself to limit the spread of fire and ventilation in the building. Aluminum alloy automatic door closer.

Company Introduction

HARSLE is a leading and professional metal working machine manufacture in China, which was established in 1997 and is located in the cultural ancient city of Nanjing, Jiangsu Province.

After 20 years of development, it has been a famous and influential, and modern enterprise that owns three subsidiary cooperations;

They are Nanjing HARSLE CNC Machine Tool Co., Ltd; and HARSLE INDUSTRIAL LIMITED. Its sales revenue has been increased by over 100% yearly in recent years.

HARSLE endeavors to provide high-quality machines and satisfied after-sales service, our machine products include CNC&NC Press brake.

Have swing beam shearing machine, guillotine shearing machine, mechanical & pneumatic punching machine, hydraulic press brake machine, rolling machine, ironworker, laser cutting machine, and steel door production line, etc.

They have been sold to over 100 countries and 10000 customers all over the world in different fields.

After Sales Service

1. Warranty period is 24 months after receiving machine; any quick-wear part is available for free during guarantee period under proper operation, customers only need to pay for the freight of the replaced new parts.

2. Installation and training service is optional for customers, any client can ask for this service from HARSLE, they should assume the airfare and accommodation for our engineer during the journey.