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-41 Hot Selling Lockable Gas Springs For Medical Apparatus (ISO9001:2008)Specifications:1. Free lockale over the complete stroke2. High corrosion resistence3. Color: black ,white or silver ( chromate treatment  if any requirement)4.Piston rod: qpq rod from QingDao city5.Minimal friction coefficient to achieve the lowest  extention force ( little oil chamber)6.Lower breakaway force7.Installaion position: any (We offer many kind connectors,such as ball jionts, forked connector, plastic connector  or   others you like )8.Maintenance-free and ready for installation9.Adjustable filling force (optional)10.Many kind of locable gas spring; with cable and button. For your choice.11. The cable (pull-wire) & manual handle can be desiced by your requirement, cable length can by customized12.Long service life  ( 50000 cycle guarantee,through(ISO9001) )*UsageIt is  widely applied in medical equipments,chairs and other product.The gas spring with some release mechanism can stop at the arbitrary position, then to make heavy locking force(can reach above 10000N).*Technical parameter Rod diameter [mm]Tube diameter  [mm]Stroke  [mm]Extended lengh  [mm]Force rangeN102220-2502×stroke+100mm20-400N102220-3002×stroke+100mm50-800N102820-4002×stroke+150mm100-1500N102820-4002×stroke+250mm100-2500N