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Status : Active
Standard Type : Main
Document No : ISO 5781:2016
Document Year : 2016
Pages : 24
Edition : 3
Section Volume : Control products and components (ISO/TC 131/SC 5.)
It applies to mounting surfaces for hydraulic pressure-reducing valves, sequence valves, unloading valves, throttle valves and check valves, which represent current practice; they are generally applicable to industrial equipment.