Economic Double Action Floor Spring(1300)
The floor spring has the following characteristics:
1.Surface Paint: No painting peel off  
 2.We have passed five different test process(such as pressure-relieving processing) to prevent the oil spill. Leakrate:0.3%
 3.Unpack Passed Rate:99%
4.We use the hydraulic oil with Anti-fire, Anti-burning, Anti-freezing,could be operated at –45℃                                                                                               
 5.The main parts of the machine core have been done the heat treatment processing,it can prolong the working life.
6.Max door capacity:80-100kg
7.Max door opening angle:  105 degree
8.Max door width& height:900mm × 2100mm 
9.Dimension of appearance :270×130×49mm 
10.Lowest working temperature:–45℃
11.Tested cycles :500,000  
12.Hold-open at 90?(double action open floor spring)