Ross Controls 2773B4011 Solenoid Valve

Ross Controls 2773B4011 is a Classic 27 Series 3/2 solenoid pilot-operated directional control valve with spring return, designed to actuate pneumatic cylinders in automation systems. The valve features a 1/2-inch body and 3/4-inch ports (body/port code 4001) and is available in coil variants 24 VDC (2773B4011W) or 110–120 VAC (2773B4011Z). In the Classic 27 Series, these models are described as solenoid pilot controlled with spring return and a 3/2 normally closed configuration for reliable actuation in standard-temperature environments. Ports use NPT threads, aligning with common industrial pneumatic installations and enabling straightforward integration with standard piping.