The Swagelok NUPRO B-4C-C1-1 1/4" fixed-Pressure poppet check valve 1 PSI is a flow-control valve from Swagelok. It acts as the on/off or metering point in a piping or tubing run, controlling how fluid or air passes through the circuit. Key specifications noted on this listing include 1 PSI. It is commonly in OEM machinery and MRO replacement for fluid power circuits.
