ev250b with assisted lift can operate from zero and up to 16 bar differential pressure.this 2/2-way valve program is especially to use in closed circuits with low differential pressure, but demanding moderate flow rates. valve body in dezincification resistant brass for ensuring a long life even in connection with aggressive steam media.ev250b is compatible with the broad danfoss coil program with enclosures from ip00 up to ip67. medium temperatures up to 140 °c (low pressure steam).