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°)

Difference among A Grade, B Grade  and C Grade

A、They look the same.

B、

Features：

A、One way,  up-opening to 50°,the door lift up by itself.

B、down-closing to 50°，the door full close by itself

Product Advantages：

A、Pass endurance test over 50,000times, attenuation less than 10% after 50,000cycles

B、Finish: metallic paint, NSS 8grade/24h

C、aluminum frame and glass door is achieved

Product Parameter：

A、Application: for all up-opening door, still work well between -50°~ 80°

B、Installation conditions: Pls refer to the attached table below

   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, 10 boxes/ctn

N.W/G.W: 15.5kgs/16.15kgs

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 ) 

Features：

A、One way,  up-opening to 50°,the door lift up by itself.

B、down-closing to 50°，the door full close by itself

Product Parameter：

A、Application: for all up-opening door, still work well between -50°~ 80°

B、Installation conditions: Pls refer to the attached table below

   a、different choice according to the door weight and door height.

   b、over 600cm * 400cm, paired using is the best.

Product Advantages：

A、Pass endurance test over 50,000times, attenuation less than 10% after 50,000cycles

B、Finish: metallic paint, NSS 8grade/24h

C、aluminum frame and glass door is achieved

Others（Packing and Services）

Package: 10pcs/inner box，100pcs/box,  

N.W/G.W: 15.5kgs/16.15kgs

MEAS: 34.5cm * 33.2cm * 29.5cm,                              

Delivery Date: Normally in one month        

MOQ:  3000pcs

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