This standard specifies the technical requirements, test methods and inspection rules for laboratory durability testing of integrated multi-way reversing valves for hydraulic excavators (hereinafter referred to as integrated multi-way reversing valves). This standard is applicable to the durability test of the reversing laboratory of the integrated multi-way reversing valve for medium-sized (20t~23t) hydraulic excavators with system working pressure ≤35MPa.
T/CCMA 0033-2015 history
2015T/CCMA 0033-2015 The durability test of the multiple directional valves for hydraulic excavators in laboratory