参考门宽800-1000mm，适合门重45-70kg。
可调节速度闭门段180°-15°，可调力度闭锁段15°-0°。
两个液压阀独立控制两段闭门，闭锁速度，作全段液压控制。
优质中碳钢齿轮、活塞，经高频淬火处理。变形小、运行灵活。
内置防冻液压油，确保产品在-20℃到-30℃正常工作。
可选择银灰、古铜、金色及黑色等饰面。
Reference door width of 800-1000mm,suitable for door or less weight 45-70kg.
Adjustable speed closed door period of 180°-15°,adjustable strength blocking section 15°-0°.
Two hydraulic valve independent control two paragraphs closed door, blocking speed, as the entire section hydraulic control.
High quality medium carbon steel gear,piston,the high frequency quenching .Deformation is small,flexible operation.
Built-in freeze hydraulic oil,ensure product in-20℃-30℃normal work.
Can choose aluminium,bronze,gold and blackand finish.
