Economic Double Action Floor Spring(1800-1)
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:85-110kg 
                                                                                                                                                                         
7.Max door opening angle:105?                                                                                                                                                                 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)