... cap 4.Chormed, ground&polished piston rod Single-acting Small Hydraulic Cylinder Details: This is for single-acting application with ... is B type piston (optional: A type piston).Hydraulic Cylinder Parameter MaxMinCylinder bore:280 mm10 mmPiston Rod Diameter: ... 2008 Quality Assurance System, the USA UL.4. Products covering hydraulic cylinders, pistons, flanges, valves parts, casting and forging parts ...