Economic Double Action Floor Spring(1200)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.    Leak  rate: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:85kg 
7.Max door opening angle:105 degree
8.Max door width&height:900mm ×2000mm   
9.Dimension of appearance :270×130×49mm 
10.Lowest working temperature:–45℃  
11.Tested cycles:500,000  
12.Hold-open at 90 degree(double action open floor spring)