Economic Double Action Floor Spring(1400)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:100kg 
7.Max door opening angle:105 degree
8.Max door width& height:1000mm×2200mm
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)