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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°)
H、Iron end fittings can withstand a pulling force of 1200 lbs.
Difference among A, B, C Grade
A、They look the same.
B、
| Grade | Inner parts | Cycles | Opening Way |
| A | Brass | > 100,000 times | Two Way |
| B | Aluminum Alloy | > 80,000 times | Two Way |
| C | Plastic | > 50,000 times | One Way |
Features：
A、upward opening, two stays
stay 1: up-opening to 30°,the door lift up by itself.
stay 2: the door slow down to full opening when the angle up to 80°.
B、closing: down-closing to 50°，the door full close by itself.
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: 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，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/shipment
Samples Preparation: samples can be sent in 3 working days (DHL 3-5days，UPS3-5days，Fedex/TNT 3-5days，EMS 7days reach destination )
Gas spring strut YS612 A grade
