LBM

Our LBM series counterbalance valves are used as safety valves for applications with hydraulic motors—such as travel motors on wheeled or crawler excavators, as well as simple winch applications. They protect the motor during downhill operation or pulling loads from excessive speeds and potential cavitation on the inlet side of the motor. The brake valve is designed as a symmetrical spool valve. The inflow to the motor occurs via patented flow dividers. These allow for rapid reversing of the motor even with high damping, without the oil circulating via the brake spool. The valve features a flow-optimized design and can be used up to 350 l/min with low pressure losses. This enables high travel speeds with low power losses. The braking function is regulated between 15 and 40 bar inlet pressure. The spool movement is damped, with two different damping variants available.