1. Suitable for wood & steel fire-proof door. Lightly and
ingeniously structured, beautiful appearance and occupy very small
2. High quality carbon steel gear wheel, the transmission of piston
structure is steady.
3. Adopt imported sealing ring, so that oil-leakage is 1‰.
4. Comply with Ministry of Public Security’s GA93—2004 inspection
standard for fire-proof parts and National GN9305—88 standards for
door closer, and has passed America UL fire-proof certification.
5. Two choices: non-positioning and positioning, the largest
door-opening angle is 180°.
II. Plan diagram of product
III. Main Parameter
Applicable door Weight
Applicable door width
Please install as required in instruction
Two-phase speed governing, with positioning function
Two-phase speed governing, without positioning function
Size (mm): length145, width 37, height 57
Installation Size (mm): 19*168
Door Weight Range: 45—65KG
Function: Dual-speed governing, positioning and non-positioning,
has fire-proof and freeze protection function.
Applicable Range: Guest room door, office door, wooden fire-proof
door and stainless steel anti-theft door.