DBC30-2-5X/100YU

The DBC30-2-5X/100YU valve belongs to the DB Pressure Relief Valves series from Bosch Rexroth and limits system pressure in hydraulic automation loops. It uses a pilot-operated principle so a small pilot stage senses pressure and controls the main poppet for steady relief behavior. The valve is built in size 30, giving the flow capacity required for large manifolds and presses. This specific version opens at the minimum cracking pressure to begin venting as soon as the circuit reaches its threshold, and the pressure limit is fixed at 100 bar to protect medium-pressure machines from overload.

A subplate mounting interface lets the valve bolt directly to a standardized base plate, which simplifies installation and future service. Pilot oil is returned externally, isolating the pilot flow from line pressure and preventing unwanted back-pressure shifts in the setting. The pressure can be tuned with a sleeve that has a hexagon head and a protective cap; this arrangement allows accurate adjustment while deterring accidental changes. Together, these construction details keep pressure regulation consistent in automated equipment that relies on dependable relief action.