Detailed Product DescriptionProduct Name:Lockable Gas SpringsApplication:Chair ,Website:http://www.cncospl.com,car, MachineLoad Type:Gas CompressionInside:NitrogenMaterial:SteelLift Time:150000timesStyle:CylinderColor:BlackKSP-JKQ-08 Upturning Hydraulic Cylinder Lockable Gas Spring With Nitrogen Gas StrutSpecifications:Extended length(mm)stroke length(mm)D1*D2(MM)Force F1(N)Fr(max)100-30030-1004*1220-20030301-600101-2006*1550-20050601-900201-3008*18100-80060901-1200301-40010*22150-1150801201-1600401-50012*22150-120080500-1200200-50012*26200-150080500-1300200-60014*28200-2000100Description:Name of hingeup turning hydraulic cylinder piston gas spring for furniture     FinishZinc color or as customer's requestMaterialCold rolled steel&galvanized sheetSalt spray testPass 48 hoursOpen-close testPass 50,000 timesTensile load60N ,80N ,100N ,120NPacking100 pcs/ctn or as customer's demandApplicationUp turning wooden door, up turning aluminum frame door, etc.OEM & CustomizingOEM & Customizing is available.Competitive Advantage:  1.  The door will auto open to the highest place after up opening to a certain angle, saving labor and no impact force.  2.  Soft down closing, no impact force and noise.