Ross Controls 2768C3901 Pilot-Operated Check Valve

The Ross Controls 2768C3901 Pilot-Operated Check Valve is a pneumatic load-holding valve that uses a pilot signal to lock a cylinder and prevent reverse airflow, delivering positive load holding with controlled release when pilot pressure is applied. It has a 3/8 in. NPT port, a 1/8-27 NPT signal port, and a flow coefficient (Cv) of 2.9, designed for operating pressure from 30 to 150 psig (2–10 bar) with filtered compressed air. The valve body is cast aluminum, the poppet is made of acetal and stainless steel, and Buna-N seals provide sealing performance in industrial environments; it mounts inline for continuous-duty applications. Commonly installed in pneumatic cylinders, material handling equipment, presses, lifting mechanisms, and industrial automation systems requiring dependable load-holding and cylinder locking; maintenance teams and system integrators use this valve for replacement of worn check valves and restoration of safe pneumatic operation.