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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、upward opening, two stay.
stay 1: up-opening to 30°,the door lift up gently by itself.
stay 2: the door slow down to completely opening when the angle ups to 80°.
B、closing: down-closing to 50°，the door full close by itself.
Product Advantages:
A、Pass SGS test over 100,000times, attenuation less than 10% after 100,000cycles.
B、Finish: metallic paint, scratch resistance, NSS 8grade/48h.
C、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.
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