BAISHIDA BL-338 hydraulic buffer Door Closer

BL-338 door closer

Product name: Applicable door width: 800mm, bearing capacity: 90KG

Technical information:
1. The main assembly parts are all forged with CR-MO alloy steel, quenched and tempered and quenched. After grinding, all parts are immersed in high-quality low-temperature resistant Hydraulic oil. It is normal to use at temperatures from minus 40°C to 40°C.
2. Built-in pressure reducing valve, so that the host is protected from damage or oil leakage in the environment of strong external pressure or strong wind.
3. Accurate positioning performance, whether it is to the outside or to the inside, it can be positioned at 0° when the door is opened to 90°. will be accurately positioned automatically.
4. Door opening torque 40NM, door closing torque 26NM, not less than 25NM at 5°.
5. After the product has been used for 200,000 times, it has been appraised by the national technical supervision department that the quality is stable and the operation is normal, which meets the technical standard of QB/T2697-2005.