SL-07-05 hydraulic cylinder part Working Pressure: 2500PSI (21MPa) ~ 4000PSI (28MPa). Working Temperature: -20oC ~ 100oC. SL-07-05 hydraulic cylinder part1) We are a professional hydraulic cylinder manufacturer in Tie Rod cylinders,welded cylinders and OEM cylinders.they are used for construction,mining, forestry, marine, demolition, military, material handling, agriculture, truck and trailer, ...