Description

Adopting double-spring design, opening lightly and closing smoothly, rolonging service life. Inside pressure reducing value: using to prevent the destruction of the floor spring or oil leakage on occasions that the door is closed by strong pressure or wind force. General design, suitable for left or right hand to open the door in single and both sides. For cement container, 6mm adjustable in length, 5mm in width and *0mm in length, which is convient for assembling. there are many style in our website. Pls kindly visit our website to find all the products. 1. Door Weight: **0kg. 2. Door Width: ********0mm 3. Door height: ********0mm 4. Max. Open Degree: **5°< 5. Hold Open: *0° 6. Features: Center hung, double acting with *0°stop-device, 2 section speed adjustable valve. ***** product has got quality certification from national technique department after **0, **0 cycle tested