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

Others (Packing and services):

Package: 10pcs/inner box,100pcs/box,N.W/G.W: 20kgs/20.5kgs 
MEAS: 34.5cm * 33.2cm * 29.5cm,                              
Delivery Date: Normally in one month     

Samples Preparation: samples can be sent in 3 working days (DHL 3-5days,UPS3-5days,Fedex/TNT 3-5days,EMS 7days reach destination )