Oubau door closers.
OUBAO is one of the largest manufacturers of door closers in the world. OUBAO has American UL, UL10C, ETL, ITS certificates and European TUV, CE, SP and EN1154 certificates.
OBAO door closers are manufactured using modern manufacturing and assembly technologies, which ensures their high reliability and durability. The guaranteed service life for OUBAO door closers is 500 thousand cycles. Reliable operation in a wide temperature range ensures energy savings and increased reliability.
The operation of the OUBAO door closer is based on the principle of mechanical compression of the spring inside the closer body due to the force exerted by a person when opening the door and oil restraint of the spring return stroke when closing the door. OUBAO door closers use a double spring, which allows maintaining the dynamic characteristics almost unchanged for a very long time. Special low-temperature oil is used in the production of door closers, which allows them to operate in a temperature range of -35 ° to … + 40 ° C. The closing speed and the closing speed are adjusted by turning the screws. First, the closing speed is set, and then the closing speed.
All OUBAO products have RosTest Certificates of Conformity.
On the website you will find detailed documentation for OUBAO door closers, including: technical descriptions, passports, instructions, etc.
Official website of OUBAO: oubao-rus.ru