UL- US safety inspection laboratory
The implementation of ANSI/BHMA.A156.4-2000 standard
PT1 for 2 million times, /PT2 for 1 million times, /PT3 for 500 thousand times
Fire UL10C and UB (C7-2)
These are the highest standards for today's global door closer, as well as products sold in the United States and Canada.
TUV- Germany Rhine safety testing laboratory
Perform the BSEN1154-1999 standard
This is a door pass in the European Union and the Commonwealth countries and regions sales pass
二、You know defference between the door closer and the international advanced products ？
At present, the implementation of GA93-2004 standard
The requirements are excellent products is 300 thousand times, 100 thousand times (the actual product is qualified in this standard there are many manufacturers is far less than the)
The international standard of excellence is the 2 million time, the qualified product is 500 thousand times
This is the most important gap. There is also the leakage rate is less than 0.1%, the hydraulic oil can achieve the fire and frost requirements.