180B6136

The 180B6136 pump belongs to the PAH Displacement Pumps series produced by Danfoss for hydraulic automation circuits that demand consistent volumetric delivery. Its fixed displacement of 25 cm³ per revolution allows predictable flow calculation when pairing the pump with proportional valves. The speed operating window spans from 700 rpm to 1800 rpm so integrators can choose rotational rates that match their desired cycle times. At the lowest permitted speed the pump can still supply 14.9 l/min, supporting low demand standby modes without stalling. Running at its top speed raises delivery up to 42.7 l/min, giving machinery enough oil volume for rapid actuator movement. A minimum inlet pressure requirement of 0 barg prevents cavitation during gravity feed conditions. Meanwhile a maximum inlet limit of 4 barg safeguards the housing against overload from pressurized supply lines. The sound level of 79 dBA defines acoustic considerations for plant layouts where operator exposure must be controlled.

The inlet port is sized at 1 1/4 in to accommodate high flow rates with limited velocity losses at the pump suction. Discharge leaves through a 3/4 in outlet which matches common high-pressure piping in industrial test rigs. Outlet pressure can be set between 30 barg and 160 barg, enabling the pump to drive cylinders or intensifiers that need moderate to high working pressure. The allowable media temperature range of 2 °C to 50 °C supports operation in chilled water circuits as well as warm hydraulic reservoirs. An NBR seal package is installed to resist swelling in contact with mineral oils and keep leakage within specification. A separate 1/4 in drain connection directs case leakage back to tank, preventing shaft seal overload. These combined characteristics let system designers embed the pump into closed-loop automation skids without additional flow or pressure conditioning hardware.