Click on the image to check the artwork
By certification 
Product Description：
A、cylinder: seamless steel pipe20#, Φ 15*1mm;
B、piston rod: steel 45#, Φ 6mm;
C、piston: brassH62;
D、sealing parts: O-ring fluoro rubber;
E、end fittings: PA66;
F、gas: nitrogen;
G、aircraft hydraulic oil ( still work well below 58°)
Features：
A、Up opening to 35°， the door free stop at every point.
B、The opening angle can be adjustable up and down after assembly.
C、Better for labor-saving.
D、Easy to disassemble.
E、Compare with YS314-1 free stop whose end fittings are alloy and adjustable.
Product Advantages:
A、Pass SGS test over 100,000times, attenuation less than 10% after 100,000cycles.
B、Finish: metallic paint, scratch resistance, NSS 8 grade/48h.
C、Different end fittings like YS611, YS612, YS616 for your chioce.
D、aluminum frame and glass door is achieved.
Product Parameters：
A、Application: for all up-opening door, still work well between -50°~ 80°
B、Installation conditions:
a、different choice according to the door weight and door height
b、over 600cm * 400cm, paired using is the best
Welcome to the cabinet manufacturers call to discuss: Skype: CN fsyswj
Email: fsyswj87@gmail.com
