Relief valves are mounted on the boom cylinder counterbalance valves. These valves will release pressure in the event of excessive boom load to prevent damage to the boom.
Capable of operating under any condition from -22°C to 55°C, operating continuously for up to 12 hours, can handle any fluid, pumping of difficult concrete like B90, C150, and 3-gradation concrete and even pump materials such as silt, slag, waste materials, and mortar.
Advanced Hydraulic SystemPressure Difference Sensing & Reversing Hydraulic System Lgcm H30 Self Loading Concrete Mixer Truck China Supplier -Certification: ISO9000, CCC, TS16949, EPA, EEC, RoHS, CE, Eac Transmission Type: Automatic Emission Standard: Euro 4 Displacement: 4 Payload: 2m3 Fuel: Diesel