Used in mining, marine, metallurgy, agriculture etc. When the cylinder's diameter is 1m, maximum stroke is 15m; When it's diameter is 1.5m, maximum stroke is 2m. Max. Working Pressure: 40MPa Min. Operating Pressure: Less than 0.5MPa Operating speed range(not including cushion parts): less than 200mm/s(we can also supply other speed range according to customer's requirements). Operating Temperature(Ambient Temperature and Oil Temperature): -10 to +80íp C(But do not use when oil frozen).