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See Chinese contents: GB/T 17491-2011 GB/T 17491-2011: Hydraulic fluid power -- Positive displacement pumps, motors and integral transmissions -- Methods of testing and presenting basic steady state performance
This Standard specifies the measurement method for the steady state performance and efficiency of positive capacity pumps, motors and integral transmissions for the purposes of hydraulic transmission, as well as, under steady state conditions, the expression of the test apparatus, the test program requirements and test results. This Standard applies to the positive capacity hydraulic pumps, motors and integral transmissions.
