Commodity name : 50 ton two-way hydraulic cylinder Application industry : machinery, mine, metallurgy, shipping, water conservancy, etc Working Length : 50-16000mm Tube inside diameter : 40-1000mm Piston diameter : 12-410mm Working Pressure : 70-700bar Seal type : UN or in accordance with clients requirement (we usually use PARKER from USA or MERKEL from Germany) Material of cylinder liner : copper (prolongs the life cycle of cylinder) Certificate : Â CCS, BV, GL, Lloyds, DNV, etc. Package : Bubble-wrap packing, then in wooden case. Color : choose the color according to customer requirement Tips : OEM in accordance with client's drawing or requirement. We also can design by ourselves. And we can produce the power of cylinder too.