Heavy-duty Fire Door Closers HD-8000

Anhui Haida Door Control Equipment Co., Ltd. is one of the most experienced manufacturers and suppliers of heavy-duty fire door closers hd-8000 in China. With abundant experience, we warmly welcome you to wholesale bulk high quality products in stock here and get free sample from our factory. Customized orders are welcome.

Heavy-duty Fire Door Closers HD-8000

This is a door closer for medium and heavy doors and all types of business doors. This door closer can be used for fire doors, and it is UL10C 3 hours certified for fire protection. It is an adjustable force door closer, you can adjust the force from 1 to 6. It can also adjust the BC door opening buffer function, as well as the DA closing delay function, the adjustment range is between 20s~60s. If you need the positioning function, you can also optionally install the positioning rocker.
 

 A. Traditional style medium & heavy duty doser for commercial doors;

 B. ANSI/BHMA A156.4 Grade 1 Certified;

 C. UL / cUL listed for use on fire rated doors;

 D. UL10C listed for positive pressure fire test;

 E. Adjustabie spring force from EN1-6;
 F. Standard, separate and independent, latch, sweep and backcheck intensity valves;

 G. Delayed action;

Product details

 1.  The world's biggest floor spring manufacturer in China.Daily productionover 15,000PCS

 2.  The factory has three production base located in ZHEJIANG ,ANHUI,JIANGSU three province. The area cover 72,000 square meters.

 3.  Over 33 years producing experience. Ripe production process.

 4.   Impeccable testing system covered from raw material,components,semi-finished products. 

 5.   HAIDA has own national test laboratory (Intertek Satellite Lab)to make sure the growth of our company.