タイトルまたは説明

Reference width of door is *******0mm, suitable for door weight of ****0kg. The adjustable section of closing speed is **0 degree to *5 degree, the adjustable section of locking is *5 degree to 0 degree. Two hydraulic pressure valves control two sections of door closing seperately, the speed of locking have been control by the whole section of hydraulic pressure. Quality medium carbon steel gear and piston through hardening treatment, flexible performance. The use of external positioning within **0 degree, any angle can be targeted or not targeted. Anti-freezing hydraulic oil ensures normal operation from **0 degree to **0 degree. Optional silver gray, bronze, golden and black finishes.