This standard specifies the test methods for hydraulic cylinders. This standard applies to hydraulic cylinders (including double-acting hydraulic cylinders and single-acting hydraulic cylinders) that use hydraulic oil (fluid) as the working medium. This standard does not apply to combined hydraulic cylinders.
GB/T 15622-1995 history
2005GB/T 15622-2005 Hydraulic fliud power.Test method for the cylinders