... bi-directional hydraulic lock and automatic reset reversing valves with which can take off the hydraulic pipeline ... pipe wall, cutting burning materials. Parameter of hydraulic tube sealing machineModelType FGQ60 – AType FGQ – ... Hydraulic pump,hydraulic cutter,hydraulic spreading cutter,hydraulic expander,hydraulic ram,hydraulic rebar cutter,hydraulic tube sealing equipment,hydraulic hand pump,hydraulic ...