Product Description:
B2D/W
1. Suitable for wood & steel fire-proof door. Lightly and ingeniously structured, beautiful appearance and occupy very small space.
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°

Plan diagram of product

Main Parameter
Model Size Applicable door Weight Applicable door width Function Please install as required in instruction
A B C D E
B2D 132 145 19 37 57 45_65KG ≤ 1000cm Two-phase speed governing, with positioning function
B2W 132 145 19 37 57 45_65KG ≤ 1000cm Two-phase speed governing, without positioning function

Model
B2D
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.